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OWNER'S MANUAL 2023 FC 450 FX 450 Art. no. 3402633en...
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DEAR HUSQVARNA MOTORCYCLES CUSTOMER Congratulations on your decision to purchase a Husqvarna motorcycle. You are now the owner of a state-of- DEAR HUSQVARNA MOTORCYCLES CUSTOMER the-art sports vehicle which, with appropriate care, will bring you pleasure for a long time to come.
TABLE OF CONTENTS TABLE OF CONTENTS 6.13 Idle speed adjusting screw ....20 MEANS OF REPRESENTATION......5 6.14 Shift lever ..........20 Symbols used ........5 6.15 Foot brake lever ........21 Formats used ........5 6.16 Plug-in stand (All FC models) ..... 21 SAFETY ADVICE ..........
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TABLE OF CONTENTS 10.5 Adjusting the high-speed 11.23 Installing the shock absorber ..64 compression damping of the shock 11.24 Removing the seat ......66 absorber..........39 11.25 Mounting the seat ....... 67 10.6 Adjusting the rebound damping of 11.26 Removing the air filter box cover ..67 the shock absorber ......
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TABLE OF CONTENTS 12.13 Changing the rear brake linings ..95 STORAGE............129 WHEELS, TIRES ..........98 19.1 Storage ..........129 19.2 Preparing for use after storage ..130 13.1 Removing the front wheel ....98 13.2 Installing the front wheel ....
Indicates work that requires expert knowledge and technical understanding. In the interest of your own safety, have this work performed by an authorized Husqvarna Motorcycles workshop. Your motorcycle will be cared for there to the highest degree by specially trained experts using the special tools required.
2 SAFETY ADVICE Use definition – intended use (All FC models) This vehicle has been designed and built to withstand the normal stresses and strains of racing. This vehi- cle complies with the currently valid regulations and categories of the top international motorsports organi- zations.
SAFETY ADVICE 2 Degrees of risk and symbols Danger Identifies a danger that will immediately and invariably lead to fatal or serious permanent injury if the appropriate measures are not taken. Warning Identifies a danger that is likely to lead to fatal or serious injury if the appropriate measures are not taken.
– Always wear protective clothing that is in good condition and meets the legal regulations. In the interest of your own safety, Husqvarna Motorcycles recommends that you only operate the vehicle while wearing protective clothing. Work rules Unless specified otherwise, the ignition must be turned off during all work (models with ignition lock, models with remote key) or the engine must be at a standstill (models without ignition lock or remote key).
Because motorcycles are not subject to the EU regulations governing the disposal of used vehicles, there are no legal regulations that pertain to the disposal of an end-of-life motorcycle. Your authorized Husqvarna Motor- cycles dealer will be glad to advise you.
3 IMPORTANT NOTES Manufacturer warranty, implied warranty The work prescribed in the service schedule must only be carried out in an authorized Husqvarna Motorcy- cles workshop and confirmed in the Husqvarna Motorcycles Dealer.net, as otherwise all warranty claims will be void. Damage or secondary damage caused by tampering with and/or conversions on the vehicle are not covered by the manufacturer warranty.
VIEW OF VEHICLE 4 View of vehicle, front left (example) A01234-10 Hand brake lever ( p. 15) Clutch lever ( p. 15) Fuel tank filler cap Air filter box cover Cold start button ( p. 19) Engine number ( p. 13) Shift lever ( p.
4 VIEW OF VEHICLE View of vehicle, rear right (example) A01235-10 Shock absorber compression adjuster Combination switch ( p. 16) Stop button ( p. 15) Start button ( p. 16) Throttle grip ( p. 15) Vehicle identification number ( p. 13) Steering head label ( p.
SERIAL NUMBERS 5 Vehicle identification number The vehicle identification number is stamped on the right side of the steering head. 401945-10 Steering head label The steering head label is attached to the front of the steering head. 401946-10 Engine number Engine number is embossed on the left side of the engine above the engine sprocket.
CONTROLS 6 Clutch lever The clutch lever is fitted on the left side of the handlebar. The clutch is hydraulically operated and self-adjusting. F03647-10 Hand brake lever The hand brake lever is located on the right side of the han- dlebar.
6 CONTROLS Start button Start button is fitted on the right side of the handlebar. Possible states • The start button is in the basic position is pressed – In this position, the starter • The start button motor is actuated. F03650-10 Combination switch The combination switch is fitted on the left side of the handlebar.
CONTROLS 6 Overview of indicator lights (FX 450) Possible states Malfunction indicator lamp lights up/flashes orange – The OBD has detected a malfunction in the vehi- cle electronics. The malfunction indicator lamp also lights up if traction control is activated and the speed limiter intervenes.
6 CONTROLS Warning Danger of poisoning Fuel is harmful to health. – Avoid skin, eye and clothing contact with fuel. – Immediately consult a doctor if you swallow fuel. – Do not inhale fuel vapors. – Rinse the affected area immediately with plenty of water in the event of contact with the skin. –...
CONTROLS 6 (FX 450) – Mount fuel tank filler cap and turn it clockwise until the release button engages. Info Route fuel tank breather hose without kinks. A01217-11 6.12 Cold start button The cold start button is fitted to the bottom of the throttle valve body.
6 CONTROLS 6.13 Idle speed adjusting screw The idle setting of the throttle valve body substantially influences the vehicle’s starting behavior, a stable idle speed, and the vehi- cle’s response when the throttle is opened. An engine with a correctly set idle speed is easier to start than an engine with the idle speed set incorrectly.
CONTROLS 6 6.15 Foot brake lever Foot brake lever is located in front of the right footrest. The foot brake lever is used to activate the rear brake. 401956-10 6.16 Plug-in stand (All FC models) The support for plug-in stand is the left side of the wheel spindle.
When using the motorcycle, remember that others may be disturbed by excessive noise. – Ensure that the pre-sale inspection work has been carried out by an authorized Husqvarna Motorcycles workshop. You will receive a delivery certificate when the vehicle is handed over.
PREPARING FOR USE 7 – Adjust the basic position of the hand brake lever. ( p. 86) – Adjust the basic position of the foot brake lever. p. 92) – Adjust the basic position of the shift lever. p. 120) –...
Riding at low temperatures and in snow. ( p. 26) Preparing the vehicle for rides on dry sand – Mount the air filter dust cover. Air filter dust cover (A46006920000) Info Observe the fitting instructions for Husqvarna Motor- cycles technical accessories. F03669-01...
PREPARING FOR USE 7 – Mount the air filter sand cover. Air filter sand cover (A46006922000) Info Observe the fitting instructions for Husqvarna Motor- cycles technical accessories. F03670-01 – Clean the chain. Chain cleaner ( p. 148) – Mount the steel sprocket.
Preparing the vehicle for rides on wet and muddy circuits – Mount the air filter rain cover. Air filter rain cover (A46006921000) Info Observe the fitting instructions for Husqvarna Motor- cycles technical accessories. F03668-01 – Mount the steel sprocket. –...
RIDING INSTRUCTIONS 8 Checks and maintenance measures when preparing for use Info Before every trip, check the condition of the vehicle and ensure that it is safe to operate. The vehicle must be in perfect technical condition when it is being operated. –...
8 RIDING INSTRUCTIONS (All FC models) – Remove plug-in stand H02629-10 (FX 450) – Take the motorcycle off side stand and secure the side stand with rubber strap – Shift the transmission into neutral. 401944-10 Condition Ambient temperature: < 20 °C (< 68 °F) –...
RIDING INSTRUCTIONS 8 – Press and hold the TC button and the QS button simultaneously. The TC indicator lamp and the QS indicator lamp flash when launch control is activated. Info The launch control is deactivated automatically for a few seconds after the vehicle has started. Launch control is also deactivated in the following cases: if the throttle valve is closed more than 1/3 of F03760-13...
Do not change into a low gear at high engine speed. Info If unusual noises occur while riding, stop immediately, switch off the engine, and contact an authorized Husqvarna Motorcycles workshop. First-gear is used for starting off and for steep inclines. –...
Danger of accidents A spongy pressure point on the front or rear brake reduces braking efficiency. – Check the brake system and do not continue riding until the problem is eliminated. (Your authorized Husqvarna Motorcycles workshop will be glad to help.)
8 RIDING INSTRUCTIONS Warning Danger of accidents Moisture and dirt impair the brake system. – Brake carefully several times to dry out and remove dirt from the brake linings and the brake discs. – On sandy, wet, or slippery surfaces, use mostly the rear brake. –...
RIDING INSTRUCTIONS 8 8.11 Transporting Note Danger of damage The parked vehicle can roll away or fall over. – Park the vehicle on a firm and level surface. Note Fire hazard Hot vehicle components pose a fire hazard and explosion risk. – Do not park the vehicle near to materials which are highly flammable or explosive.
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In some countries and regions, the available fuel quality and cleanliness may not be sufficient. This will result in problems with the fuel system. – Refuel only with clean fuel that meets the specified standards. (Your authorized Husqvarna Motorcycles workshop will be glad to help.) Note Environmental hazard Improper handling of fuel is a danger to the environment.
Individual service intervals and scopes may change in the course of technical developments. The most up- to-date service schedule can always be found on Husqvarna Motorcycles Dealer.net. Your authorized Husq- varna Motorcycles dealer will be glad to advise you.
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● ● Take a test ride. ○ ● ● ● ● Read out the fault memory after the test ride using the Husqvarna Motorcycles diag- nostics tool. ○ ● ● ● ● Make a service entry in Husqvarna Motorcycles Dealer.net.
– In the delivered condition, Husqvarna motorcycles are adjusted for an average rider's weight (with full protective clothing). Guideline Standard rider weight 75 …...
The shock absorber is filled with highly compressed nitrogen. – Please follow the description provided. (Your authorized Husqvarna Motorcycles workshop will be glad to help.) Info The effect of the low-speed compression adjuster can be seen in slow to normal compression of the shock absorber.
The shock absorber is filled with highly compressed nitrogen. – Please follow the description provided. (Your authorized Husqvarna Motorcycles workshop will be glad to help.) Info The effect of the high speed compression adjuster can be seen in the fast compression of the shock absorber.
Risk of injury Parts of the shock absorber will move around if the shock absorber is detached incor- rectly. The shock absorber is filled with highly compressed nitrogen. – Please follow the description provided. (Your authorized Husqvarna Motorcycles workshop will be glad to help.) – Turn adjuster clockwise up to the last perceptible click.
TUNING THE CHASSIS 10 Main work – Position the sag gage in the rear axle and measure the distance to marking SAG on the rear fender. Sag gage (00029090200) – Note the value as dimension F03630-10 Finishing work – Remove the motorcycle from the lift stand. ( p.
The shock absorber is filled with highly compressed nitrogen. – Please follow the description provided. (Your authorized Husqvarna Motorcycles workshop will be glad to help.) Info Note the current adjustment before changing the spring preload - e.g. measure the spring length.
TUNING THE CHASSIS 10 Main work – Loosen screw – Turn adjusting ring until the spring is no longer under ten- sion. Hook wrench (90129051000) Info If the spring cannot be fully released, the spring must be removed to accurately measure the spring length. –...
10 TUNING THE CHASSIS Main work – Choose and mount a suitable spring. Guideline Spring rate (FC 450 EU) Weight of rider: 65 … 42 N/mm (240 lb/in) 75 kg (143 … 165 lb.) Weight of rider: 75 … 45 N/mm (257 lb/in) 85 kg (165 …...
TUNING THE CHASSIS 10 – Smaller differences in the rider's weight can be compensated for by the fork air pressure. – However, if the fork frequently bottoms out (hard end stop on compression), the fork air pressure must be increased, within the specified values, to avoid damage to the fork and frame.
10 TUNING THE CHASSIS Guideline Air pressure (FC 450 EU) 10.4 bar (151 psi) Air pressure (FC 450 US) 10.7 bar (155 psi) Air pressure (FX 450) 10.1 bar (146 psi) Gradual changing of the air 0.2 bar (3 psi) pressure in steps of Minimum air pressure 7 bar (102 psi)
10 TUNING THE CHASSIS Info Turn clockwise to increase the damping; turn counterclockwise to reduce damping when the shock absorber rebounds. 10.16 Handlebar position The holes on the handlebar support are placed at a distance from the center. Hole distance A 3.5 mm (0.138 in) The handlebar can be mounted in 2 different positions.
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TUNING THE CHASSIS 10 Main work – Remove screws . Take off handlebar clamp . Take off the handlebar and lay it to one side. Info Cover the components to protect them against dam- age. Do not kink the cables and lines. –...
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10 TUNING THE CHASSIS Adjusting the handlebar position with the handlebar clamp – Place the handlebar support in the required position. Info The handlebar support is longer and higher on one side. – Mount and tighten the screws with the bushings Guideline Screw, handle- 40 Nm (29.5 lbf ft)
SERVICE WORK ON THE CHASSIS 11 11.1 Raising the motorcycle with a lift stand Note Material damage The vehicle may be damaged by incorrect procedure when parking. Significant damage may be caused if the vehicle rolls away or falls over. The components for parking the vehicle are designed only for the weight of the vehicle. –...
11 SERVICE WORK ON THE CHASSIS (FX 450) – Remove the motorcycle from the lift stand. – Remove the lift stand. – To park the motorcycle, press side stand to the ground with your foot and lean the motorcycle on it. Info When you are riding, the side stand must be folded up and secured with the rubber strap.
SERVICE WORK ON THE CHASSIS 11 Universal oil spray ( p. 149) – Press the dust boots back into the installation position. – Remove the excess oil. Finishing work – Install the fork protector. ( p. 53) – Remove the motorcycle from the lift stand. ( p.
11 SERVICE WORK ON THE CHASSIS 11.7 Removing the engine guard (FX 450) – Remove screws with the bushings. – Remove screw . Take off the engine guard. A01105-10 11.8 Installing the engine guard (FX 450) – Position the engine guard on the frame. –...
SERVICE WORK ON THE CHASSIS 11 11.9 Removing the right side panel – Unhook right side panel in area , slide forward in area and unhook and detach in area Info If the side panel does not have to be completely removed, the side panel can remain hooked into area and can just be folded open.
11 SERVICE WORK ON THE CHASSIS – Loosen screws . Remove the left fork leg. – Loosen screws . Remove the right fork leg. A01189-10 11.12 Installing the fork legs Main work – Position the fork legs. Air bleeder screw of the right fork leg is positioned to the front.
SERVICE WORK ON THE CHASSIS 11 11.13 Removing the lower triple clamp Preparatory work – Raise the motorcycle with a lift stand. ( p. 51) – Remove the front wheel. p. 98) – Remove the fork legs. p. 55) – Remove the start number plate.
11 SERVICE WORK ON THE CHASSIS 11.14 Installing the lower triple clamp Main work – Clean the bearing and sealing elements, check for damage, and grease. High viscosity grease ( p. 148) – Insert the lower triple clamp with the steering stem. Mount upper steering head bearing.
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SERVICE WORK ON THE CHASSIS 11 – Tighten screws Guideline Screw, bottom triple 12 Nm (8.9 lbf ft) clamp A01198-10 – Tighten screw Guideline Screw, top steering M20x1.5 12 Nm (8.9 lbf ft) head A01191-11 – Mount and tighten screw Guideline Screw, top 20 Nm (14.8 lbf ft)
Danger of accidents Incorrect steering head bearing play impairs the handling characteristic and damages components. – Correct incorrect steering head bearing play immediately. (Your authorized Husqvarna Motorcycles workshop will be glad to help.) Info If the vehicle is operated for a lengthy period with play in the steering head bearing, the bearings and the bearing seats in the frame can become damaged over time.
SERVICE WORK ON THE CHASSIS 11 11.16 Adjusting the steering head bearing play Preparatory work – Raise the motorcycle with a lift stand. ( p. 51) – Take off the handlebar cushion. Main work – Loosen screws – Remove screw –...
11 SERVICE WORK ON THE CHASSIS 11.18 Removing the start number plate – Remove screw – Unhook the start number plate from the brake line and remove it. A01216-10 11.19 Installing the start number plate – Position the brake line in holders on the start number plate.
SERVICE WORK ON THE CHASSIS 11 11.21 Installing front fender Main work – Position front fender. Mount and tighten screws Guideline Remaining screws, 10 Nm (7.4 lbf ft) chassis A01174-10 Finishing work – Install the start number plate. ( p. 62) 11.22 Removing the shock absorber Preparatory work...
11 SERVICE WORK ON THE CHASSIS – Remove screws – Pull off foot brake cylinder from the push rod. F03701-10 – Remove the connecting link of the chain. – Take off the chain. Info Cover the components to protect them against dam- age.
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SERVICE WORK ON THE CHASSIS 11 – Position the link fork and mount the swingarm pivot. Info Pay attention to flat area – Mount and tighten nut Guideline Nut, fork pivot M16x1.5 100 Nm (73.8 lbf ft) F03705-10 – Mount the chain. –...
11 SERVICE WORK ON THE CHASSIS – Position the left frame protector. – Insert the right frame protector from below. – Mount and tighten screws with the washers. Guideline Screw, frame pro- 3 Nm (2.2 lbf ft) tector – Mount the new cable ties. A01176-10 Finishing work –...
SERVICE WORK ON THE CHASSIS 11 11.25 Mounting the seat – Attach the seat to the collar bushings at the front and simul- taneously push it back. The holding lugs engage in the recesses at the back. – Make sure the seat is latched in place correctly. A01225-10 –...
11 SERVICE WORK ON THE CHASSIS Condition The air filter box cover is not secured. – Pull off the air filter box cover in area and push it side- ways and forward. Take off the air filter box cover. A01227-10 11.27 Installing the air filter box cover Condition...
SERVICE WORK ON THE CHASSIS 11 Condition The air filter box cover is not secured. – Insert the air filter box cover in area and clip it into area Info An air filter box cover with openings for greater airflow and a more direct response is included. A01228-10 11.28 Removing the air filter...
11 SERVICE WORK ON THE CHASSIS 11.29 Installing the air filter Main work – Mount the clean air filter on the air filter support. Info The marking on the air filter support must face upwards. – Grease the air filter in area Long-life grease ( p.
SERVICE WORK ON THE CHASSIS 11 Main work – Wash the air filter thoroughly in special cleaning liquid and allow it to dry properly. Air filter cleaner ( p. 148) Info Only press the air filter to dry it, never wring it out. –...
11 SERVICE WORK ON THE CHASSIS 11.33 Installing the main silencer – Position the main silencer. – Mount screws with washers, but do not tighten yet. – Attach spring Spring hook (50305017000C1) – Tighten screws Guideline Remaining screws, 10 Nm (7.4 lbf ft) chassis A01229-10 11.34...
SERVICE WORK ON THE CHASSIS 11 11.35 Removing the fuel tank Danger Fire hazard Fuel is highly flammable. The fuel in the fuel tank expands when warm and can escape if overfilled. – Do not fuel the vehicle in the vicinity of open flames or lit cigarettes. –...
11 SERVICE WORK ON THE CHASSIS – Remove screw with the rubber bushing. A01221-11 – Remove screws with the collar bushings. A01185-11 – Pull both spoilers laterally off the radiator and lift off the fuel tank. A01185-12 11.36 Installing the fuel tank Danger Fire hazard Fuel is highly flammable.
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SERVICE WORK ON THE CHASSIS 11 Main work – Check the throttle cable routing. ( p. 81) – Position the fuel tank and fit the two spoilers laterally to the radiator. – Make sure that no cables or throttle cables are trapped or damaged.
11 SERVICE WORK ON THE CHASSIS 11.37 Checking for chain dirt accumulation – Check the chain for coarse dirt accumulation. » If the chain is very dirty: – Clean the chain. ( p. 76) 400678-01 11.38 Cleaning the chain Warning Danger of accidents Lubricants on the tires reduces the road grip.
SERVICE WORK ON THE CHASSIS 11 11.39 Checking the chain tension Warning Danger of accidents Incorrect chain tension damages components and results in accidents. If the chain is tensioned too much, the chain, engine sprocket, rear sprocket, transmission and rear wheel bearings wear more quickly. Some components may break if overloaded. If the chain is too loose, the chain may fall off the engine sprocket or the rear sprocket.
11 SERVICE WORK ON THE CHASSIS Main work – Loosen nut – Loosen nuts – Adjust the chain tension by turning adjusting screws left and right. Guideline Chain tension 58 … 61 mm (2.28 … 2.4 in) Turn adjusting screws on the left and right so that the markings on the left and right chain adjusters are in the same position relative to reference marks...
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SERVICE WORK ON THE CHASSIS 11 – Pull on the top section of the chain with the specified weight Guideline Weight, chain wear mea- 10 … 15 kg (22 … 33 lb.) surement – Measure distance of 18 chain rollers in the lower chain section.
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11 SERVICE WORK ON THE CHASSIS – Check the chain sliding piece for wear. » If the lower edge of the chain pins is in line with or below the chain sliding piece: – Change the chain sliding piece. – Check that the chain sliding piece is firmly seated.
If the link fork exhibits damage, cracking, or deformation: – Change the link fork. Info Always replace a damaged link fork. Repair of the link fork is not authorized by Husqvarna Motorcycles. F03646-01 11.44 Checking the throttle cable routing Warning Danger of accidents The throttle cable can become kinked, trapped or blocked if it is not routed cor-...
11 SERVICE WORK ON THE CHASSIS Main work – Check the throttle cable routing. Both throttle cables must be routed, side by side, on the back of the handlebars and above the fuel tank bracket, to the throttle valve body. Both throttle cables must be secured behind the rubber strap of the fuel tank support.
SERVICE WORK ON THE CHASSIS 11 11.46 Programming the quickshifter Info If the shifting performance of the quickshifter starts to decrease, it must be reprogrammed. – Carry out start procedure. ( p. 27) – Press and hold the QS button for at least 10 seconds.
11 SERVICE WORK ON THE CHASSIS Info The fluid level rises with increasing wear of the clutch facing discs. Never use DOT 5 brake fluid. It is silicone-based and purple in color. Oil seals and clutch lines are not designed for DOT 5 brake fluid. Avoid contact between brake fluid and painted parts.
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SERVICE WORK ON THE CHASSIS 11 – Move the hydraulic clutch fluid reservoir mounted on the han- dlebar into a horizontal position. – Remove screws – Take off cover with membrane H04933-10 – Fill bleeding syringe with the appropriate hydraulic fluid. Syringe (50329050000) Brake fluid DOT 4 / DOT 5.1 ( p.
Warning Danger of accidents Worn-out brake discs reduce the braking effect. – Make sure that worn-out brake discs are replaced immediately. (Your authorized Husqvarna Motor- cycles workshop will be glad to help.) – Check the front and rear brake disc thickness at multiple...
Danger of accidents Old brake fluid reduces the braking effect. – Make sure that brake fluid for the front and rear brake is changed in accordance with the service schedule. (Your authorized Husqvarna Motorcycles workshop will be glad to help.) Preparatory work –...
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Danger of accidents Old brake fluid reduces the braking effect. – Make sure that brake fluid for the front and rear brake is changed in accordance with the service schedule. (Your authorized Husqvarna Motorcycles workshop will be glad to help.) Note Environmental hazard Hazardous substances cause environmental damage.
Checking the front brake linings Warning Danger of accidents Worn-out brake linings reduce the braking effect. – Ensure that worn-out brake linings are replaced immediately. (Your authorized Husqvarna Motorcy- cles workshop will be glad to help.) – Check the brake linings for minimum thickness ≥...
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12 BRAKE SYSTEM Note Environmental hazard Hazardous substances cause environmental damage. – Dispose of oils, grease, filters, fuel, cleaning agents, brake fluid, etc., correctly and in compliance with the applicable regulations. Info Never use DOT 5 brake fluid. It is silicone-based and purple in color. Oil seals and brake lines are not designed for DOT 5 brake fluid.
BRAKE SYSTEM 12 – Insert the new brake linings, insert pin , and mount cotter pins Info Always change the brake linings in pairs. To make it easier to mount the pin, push the brake linings against the retainer spring. Make sure the brake linings and retainer spring are seated correctly.
12 BRAKE SYSTEM – Disconnect spring – Move the foot brake lever back and forth between the end stop and the contact to the foot brake cylinder piston and check free travel Guideline Free travel at foot brake 3 … 5 mm (0.12 … 0.2 in) lever »...
Danger of accidents Old brake fluid reduces the braking effect. – Make sure that brake fluid for the front and rear brake is changed in accordance with the service schedule. (Your authorized Husqvarna Motorcycles workshop will be glad to help.) Preparatory work –...
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Danger of accidents Old brake fluid reduces the braking effect. – Make sure that brake fluid for the front and rear brake is changed in accordance with the service schedule. (Your authorized Husqvarna Motorcycles workshop will be glad to help.) Note Environmental hazard Hazardous substances cause environmental damage.
Checking the brake linings of the rear brake Warning Danger of accidents Worn-out brake linings reduce the braking effect. – Ensure that worn-out brake linings are replaced immediately. (Your authorized Husqvarna Motorcy- cles workshop will be glad to help.) – Check the brake linings for minimum thickness ≥...
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12 BRAKE SYSTEM Info Never use DOT 5 brake fluid. It is silicone-based and purple in color. Oil seals and brake lines are not designed for DOT 5 brake fluid. Avoid contact between the brake fluid and painted parts. Brake fluid corrodes paint. Only use clean brake fluid from a sealed container.
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BRAKE SYSTEM 12 – Insert the new brake linings, insert pin , and mount cotter pins Info Always change the brake linings in pairs. Make sure that decoupling plate is mounted on the piston side brake lining. – Operate the foot brake lever repeatedly until the brake lin- ings are in contact with the brake disc and there is a pressure F03723-10 point.
13 WHEELS, TIRES 13.1 Removing the front wheel Preparatory work – Raise the motorcycle with a lift stand. ( p. 51) Main work – Manually press the brake caliper toward the brake disc to push back the brake pistons. Info Make sure that you do not press the brake caliper against the spokes when pushing back the brake pis- tons.
WHEELS, TIRES 13 13.2 Installing the front wheel Warning Danger of accidents Oil or grease on the brake discs reduces the braking effect. – Always keep the brake discs free of oil and grease. – Clean the brake discs with brake cleaner when necessary. –...
13 WHEELS, TIRES Main work – Manually press the brake caliper toward the brake disc to push back the brake piston. Info Make sure that you do not press the brake caliper against the spokes when pushing back the brake pis- ton.
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WHEELS, TIRES 13 Main work – Check the wheel bearing for damage and wear. » If the wheel bearing is damaged or worn: – Change the rear wheel bearing. – Clean and grease shaft seal rings and contact surfaces of the spacers. Long-life grease ( p.
Checking the tire condition Info Only mount tires approved and/or recommended by Husqvarna Motorcycles. Other tires could have a negative effect on handling characteristics. The type, condition, and pressure of the tires all have a major impact on the handling characteristic of the motorcycle.
Other spokes will become looser as a result. – Check spoke tension regularly, and in particular on a new vehicle. (Your authorized Husqvarna Motorcycles workshop will be glad to help.) –...
14 ELECTRICAL SYSTEM 14.1 Removing the 12-V battery Caution Danger of burns The voltage regulator gets very hot when the vehicle is driven. – Allow the voltage regulator to cool down before performing any work. Note Environmental hazard 12 V batteries contain environmentally hazardous materials. –...
ELECTRICAL SYSTEM 14 14.2 Installing the 12-V battery Main work – Pull up the battery holding bracket , insert the 12-V bat- tery into the battery compartment with the terminals facing upwards and secure with the battery holding bracket 12 V battery (HJTZ5S-FP-C) ( p.
14 ELECTRICAL SYSTEM 14.3 Charging the 12-V battery Warning Risk of injury 12 V batteries contain harmful substances. – Keep 12 V batteries out of the reach of children. – Keep sparks and open flames away from 12 V batteries. – Only charge 12 V batteries in well-ventilated rooms.
12-V battery with these battery chargers. The charging time may be longer at low temperatures. These battery chargers are only suitable for lithium iron phosphate batteries. Observe the accompany- ing instructions for Husqvarna Motorcycles technical accessories. Info Never remove cover –...
14 ELECTRICAL SYSTEM – Remove the fuel tank. p. 73) Main work – Pull starter relay from the holder. F03751-10 – Take off protection caps – Remove faulty main fuse Info A faulty fuse has a burned-out fuse wire A spare fuse is located in the starter relay.
ELECTRICAL SYSTEM 14 Preparatory work – Remove the seat. ( p. 66) Main work – Take off protection cap – Remove the faulty fuse Info A faulty fuse has a burned-out fuse wire – Insert the new fuse for the fuel pump. Fuse (58011109105) ( p.
15 COOLING SYSTEM 15.1 Cooling system Water pump in the engine circulates the coolant. The pressure resulting from the warming of the cooling system is regulated by a valve in radiator cap . This ensures that operat- ing the vehicle at the specified coolant temperature will not result in a risk of malfunctions.
COOLING SYSTEM 15 15.3 Checking the coolant level Warning Danger of scalding During motorcycle operation, the coolant gets very hot and is under pressure. – Do not open the radiator, the radiator hoses or other cooling system components if the engine or the cooling system are at operating temperature.
15 COOLING SYSTEM Warning Danger of poisoning Coolant is harmful to health. – Keep coolant out of the reach of children. – Do not allow coolant to come into contact with the skin, the eyes and clothing. – Consult a doctor immediately if coolant is swallowed. –...
COOLING SYSTEM 15 Finishing work (FX 450) – Install the engine guard. ( p. 54) 15.6 Changing the coolant Warning Danger of scalding During motorcycle operation, the coolant gets very hot and is under pressure. – Do not open the radiator, the radiator hoses or other cooling system components if the engine or the cooling system are at operating temperature.
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15 COOLING SYSTEM – Go for a short test ride. – Check the coolant level. ( p. 111) Finishing work (FX 450) – Install the engine guard. ( p. 54)
TUNING THE ENGINE 16 16.1 Checking the play in the throttle cable – Check the throttle grip for smooth operation. – Move the handlebar to the straight-ahead position. Turn the throttle grip back and forth slightly and determine the play in throttle cable Play in throttle cable 3 …...
16 TUNING THE ENGINE Main work – Move the handlebar to the straight-ahead position. – Push back sleeve – Loosen nut – Turn adjusting screw in as far as possible. – Loosen nut – Push cold start button all the way to the stop. –...
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TUNING THE ENGINE 16 – Remove guide plate from handle tube – Position the required guide plate on the grip tube. Guideline The label OUTSIDE must be visible. Marking must be positioned at marking Gray guide plate (A48002014000) Alternative 1 Black guide plate (A46002014000) Info The gray guide plate opens the throttle valve more...
Adjusting the idle speed Warning Danger of accidents The engine may go out spontaneously if the idle speed is set too low. – Set the idle speed to the specified value. (Your authorized Husqvarna Motorcycles workshop will be glad to help.)
TUNING THE ENGINE 16 – Run the engine until warm. The cold start button is deactivated – The cold start but- ton is in its basic position. ( p. 19) Danger Danger of poisoning Exhaust gases are toxic and inhaling them may result in unconsciousness and death.
16 TUNING THE ENGINE 16.7 Checking the basic position of the shift lever Info When driving, the shift lever must not touch the rider's boot when in the basic position. When the shift lever keeps touching the boot, the transmission will be subject to an excessive load. –...
SERVICE WORK ON THE ENGINE 17 17.1 Changing the fuel screen Danger Fire hazard Fuel is highly flammable. The fuel in the fuel tank expands when warm and can escape if overfilled. – Do not fuel the vehicle in the vicinity of open flames or lit cigarettes. –...
17 SERVICE WORK ON THE ENGINE Danger Danger of poisoning Exhaust gases are toxic and inhaling them may result in unconsciousness and death. – Always make sure there is sufficient ventilation when running the engine. – Use effective exhaust extraction when starting or running the engine in an enclosed space.
SERVICE WORK ON THE ENGINE 17 17.3 Changing the engine oil and oil filter, cleaning the oil screens Warning Danger of scalding Engine and gear oil get very hot when the motorcycle is ridden. – Wear suitable protective clothing and safety gloves. –...
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17 SERVICE WORK ON THE ENGINE – Mount and tighten screw plug with the O-ring. Guideline Screw plug, oil M20x1.5 15 Nm (11.1 lbf ft) screen F03775-11 – Position long oil screen with the O-rings on a pin wrench. – Position the pin wrench through the drill hole of the screw plug in the opposite section of the engine case.
SERVICE WORK ON THE ENGINE 17 – Lay the motorcycle on its side and fill the oil filter housing to about ⅓ full with engine oil. – Place the oil filter into the oil filter housing. – Lubricate the O-ring of the oil filter cover and mount it with oil filter cover –...
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17 SERVICE WORK ON THE ENGINE Info For optimal performance of the engine oil, do not mix different types of engine oil. Husqvarna Motorcycles recommends changing the engine oil. – Mount and tighten the filler plug together with the O-ring.
CLEANING, CARE 18 18.1 Cleaning the motorcycle Note Material damage Components become damaged or destroyed if a pressure cleaner is used incorrectly. The high pressure forces water into the electrical components, connectors, throttle cables, and bearings, etc. Pressure which is too high causes malfunctions and destroys components. –...
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18 CLEANING, CARE – After the motorcycle has cooled down, lubricate all moving parts and pivot points. – Clean the chain. ( p. 76) – Treat bare metal (except for brake discs and the exhaust sys- tem) with a corrosion inhibitor. Preserving materials for paints, metal and rubber p.
– Store the vehicle in a dry location that is not subject to large fluctuations in temperature. Info Husqvarna Motorcycles recommends raising the motorcycle. – Raise the motorcycle with a lift stand. ( p. 51) –...
19 STORAGE Info Do not use non-porous materials since they prevent humidity from escaping, thus causing corrosion. Avoid running the engine for a short time only. Since the engine cannot warm up properly, the water vapor produced during combustion condenses and causes valves and exhaust system to rust.
– Check the electrical system. – Malfunction in the electronic Read out the fault memory using the fuel injection Husqvarna Motorcycles diagnostics tool. – Engine does not speed up Malfunction in the electronic Read out the fault memory using the...
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– Read out the fault memory using the Husqvarna Motorcycles diagnostics tool. – High oil consumption Engine vent hose bent Route the vent hose without bends or change it if necessary.
22 TECHNICAL DATA 22.3 Capacities 22.3.1 Engine oil Engine oil 1.20 l (1.27 qt.) Engine oil (SAE 10W/50) ( p. 146) 22.3.2 Coolant Coolant 0.95 l (1 qt.) Coolant ( p. 146) 22.3.3 Fuel Total fuel tank capacity, approx. (All FC models) Super unleaded (ROZ 95) ( p.
The tires specified represent one of the possible series production tires. For alternative manufacturers, if any, contact an authorized dealer or qualified tire dealership. If local road approval regulations apply, these and the respective technical specifications must be observed. Additional information is available in the Service section under: www.husqvarna‑motorcycles.com 22.7 Fork 22.7.1...
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22 TECHNICAL DATA Fork length 940 mm (37.01 in) + 10 + 0.34 Oil capacity external mechanism ml (7.78 fl. oz.) Fork oil (SAE 4) (48601166S1) − 50 − 1.69 right p. 147) + 10 + 0.34 Oil capacity external mechanism ml (7.78 fl.
23 SUBSTANCES Brake fluid DOT 4 / DOT 5.1 Standard/classification – Guideline – Use only brake fluid that complies with the specified standard (see specifications on the container) and that exhibits the corresponding properties. Recommended supplier Castrol – REACT PERFORMANCE DOT 4 ®...
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SUBSTANCES 23 Fork oil (SAE 4) (48601166S1) Standard/classification – SAE ( p. 150) (SAE 4) Guideline – Use only oils that comply with the specified standards (see specifications on the container) and that exhibit the corresponding properties. Shock absorber fluid (SAE 2.5) (50180751S1) Standard/classification –...
25 STANDARDS JASO T903 MA2 Different technical development directions required a separate specification for motorcycles – the JASO T903 MA2 standard. Earlier, engine oils from the automobile industry were used for motorcycles because there was no separate motorcycle specification. Whereas long service intervals are demanded for automobile engines, the focus for motorcycle engines is on high performance at high engine speeds.
INDEX OF SPECIAL TERMS 26 Launch control Vehicles electronics functions for achieving the best possible acceleration from a standing position On-board diagnosis Vehicle system, which monitors the specified param- eters of the vehicle electronics Quickshifter Function of the engine electronics for shifting up without clutch actuation Traction Control Auxiliary function of the motor control that reduces...
LIST OF SYMBOLS 28 28.1 Yellow and orange symbols Yellow and orange symbols indicate an error condition that requires prompt intervention. Active driving aids are also represented by yellow or orange symbols. Malfunction indicator lamp lights up/flashes orange – The OBD has detected a malfunction in the vehicle electronics.