SWM HOKU 400 Manual, Operation, Maintenance
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SWM HOKU 400 Manual, Operation, Maintenance

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HOKU 400
Manual - Operation - Maintenance
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Summary of Contents for SWM HOKU 400

  • Page 1 HOKU 400 Manual - Operation - Maintenance...

  • Page 2: Table Of Contents

    HOKU 400 Manual - Operation - Maintenance ECU FAULT CODE ................... 28 SUMMARY ABS FAULT CODE ..................32 IMPORTANT ....................6 CONTROLS ....................34 PRECAUTIONS FOR CHILDREN ............. 7 IGNITION SWITCH .................. 34 SAFE RIDING AND MOTORCYCLE SAFETY ........8 STEERING LOCK..................
  • Page 3 HOKU 400 Manual - Operation - Maintenance IMPORTANT NOTE IN CASE OF COLD STARTS AT LOW SINGLE REAR SHOCK ABSORBER SPRING PRELOAD TEMPERATURES ..................54 ADJUSTMENT................... 75 STOPPING THE MOTORCYCLE AND THE ENGINE ......55 FORK FUNCTIONALITY CHECK ............76 ENGINE EMERGENCY STOP ..............
  • Page 4 HOKU 400 Manual - Operation - Maintenance PLATE LIGHT BULB REPLACEMENT ............ 95 TURNING INDICATOR BULB REPLACEMENT ........95 HEADLIGHT ADJUSTMENT ..............96 APPENDIX....................96 LONG PERIOD OF INACTIVITY ............97 CLEANING ....................98 PRE-DELIVERY INSPECTION ..............99 APPENDIX A .................... 101...
  • Page 5 More specific or major repair or maintenance operations require the attention of a skilled mechanic and the use of special tools and equip- ment. Your SWM Dealer has the original spare parts, the experience and all equipment necessary to provide a valuable service.
  • Page 6 HOKU 400 Manual - Operation - Maintenance IMPORTANT NOTICES The HOKU model is a motorcycle for ROAD use, guar- anteed and free of defects and covered by legal war- ranty provided that the STANDARD CONFIGURATION IS MAINTAINED and the maintenance table in Appendix...

  • Page 7: Important

    HOKU 400 Manual - Operation - Maintenance IMPORTANT Important Notice In order to maintain the vehicle’s “Operation Guaran- Read this manual carefully and pay special attention to tee”, the Customer must follow the maintenance pro- statements preceded by the following words:...

  • Page 8: Precautions For Children

    HOKU 400 Manual - Operation - Maintenance Parts Replacement PRECAUTIONS FOR CHILDREN When parts replacement is required, use only SWM ORIGINAL parts. WARNING • Park the vehicle where it cannot be easily bumped or WARNING damaged. After a fall, inspect the motorcycle carefully. Make sure...

  • Page 9: Safe Riding And Motorcycle Safety

    HOKU 400 Manual - Operation - Maintenance SAFE RIDING AND MOTORCYCLE SAFETY - Always assess the road conditions and adjust your speed Here are some basic principles for riding your motorcy- accordingly. cle safely. - Reduce speed if it is raining and especially if there are - Remember that your safety and the safety of your pas- puddles of water on the road.
  • Page 10 HOKU 400 Manual - Operation - Maintenance - Downshift in the following instances: - While riding, the rider must keep both hands on the handlebar and both feet on the footrests in order to When going downhill and when braking to increase the keep the motorcycle under control.
  • Page 11 HOKU 400 Manual - Operation - Maintenance Anti-lock braking system -ABS Risks related to carbon monoxide The ABS is an electromechanical braking-aid system: Exhaust gas contains carbon monoxide, a colorless and odorless gas. Breathing in carbon monoxide may cause It prevents the wheels from locking during braking and loss of consciousness and death.

  • Page 12: Identification Data

    HOKU 400 Manual - Operation - Maintenance IDENTIFICATION DATA The engine identification number is stamped at the top of the crankcase, while vehicle serial number or Vehicle Iden- tification Number is stamped on the steering tube of the frame. Always quote the number stamped on the frame when ordering spare parts or requesting further details about your vehicle and note it on this booklet.

  • Page 13: Views Of Motorcycles

    HOKU 400 Manual - Operation - Maintenance VIEWS OF MOTORCYCLES...
  • Page 14 HOKU 400 Manual - Operation - Maintenance Fuel tank cap Exhaust muffler Fuel tank Rear brake pump Instrument panel Air filter assembly Headlight Brake control pedal Plate lighting device Engine oil dipstick Front turning indicators ABS control unit Rear turning indicators...
  • Page 15 HOKU 400 Manual - Operation - Maintenance...
  • Page 16 HOKU 400 Manual - Operation - Maintenance Rider seat Gear shift pedal Battery Throttle body Passenger seat Side stand Front brake disc Rear-view mirror Front brake caliper Transmission chain Engine oil filter...
  • Page 17 HOKU 400 Manual - Operation - Maintenance...
  • Page 18 HOKU 400 Manual - Operation - Maintenance Right-hand switch Instruments Throttle twist grip Ignition/steering lock block Front brake control lever Clutch control lever Front brake fluid reservoir Left-hand switch...

  • Page 19: Technical Data

    HOKU 400 Manual - Operation - Maintenance TECHNICAL DATA DIMENSION & WEIGHT VEHICLE BODY Overall length................2045mm Frame type..................trellis Overall width................840mm perimeter frame made of high-resistance steel tubes Overall height................1060mm Front suspension device..............Wheelbase................1360 mm tele-hydraulic with inverted fork legs Ø 41 mm Saddle height.................
  • Page 20 HOKU 400 Manual - Operation - Maintenance ENGINE DRIVING SYSTEM Mode....Inline twin cylinder, water-cooling 4 stroke Clutch............... Wet clutch multidisc Bore....................68mm Clutch operating system......Manual mechanical Variable speed gear...6-speed constant mesh gear type Stroke ..................55.2 mm Primary reduction ratio.............3.087 Displacement.................
  • Page 21 HOKU 400 Manual - Operation - Maintenance ELECTRICAL SYSTEM Electric generator.....ermanent magnet DC magneto Accumulator capacity............12V/4Ah Ignition type.........electronic, inductive discharge Spark plug type............JH9RC - TORCH Spark plug gap..............0.6-0.8 mm Ignition coil type......electronic, inductive discharge Fuel system……………………………………Electronic injection feed Front lamp...............12V/6W/9W Turn lamp................12V/1.6W...

  • Page 22: Instruments

    HOKU 400 Manual - Operation - Maintenance INSTRUMENTS WARNING AND SIGNAL LIGHTS Left turn indicator light. Right turn indicator light High-beam light. Gear position display light. Engine failure warning light. Fuel reserve warning light. Excessive coolant temperature indicator ABS warning light...
  • Page 23 (3 litres) and you need to refuel as soon as possible. - Wait a few minutes and restart the engine; If the light comes on again, contact your nearest SWM dealer to have the self-test system checked. GEAR INDICATOR LIGHT...
  • Page 24 ABS braking system: - Stop and turn off the engine. - Wait for a few minutes and restart the engine. If the light turns on again, see the closest SWM dealer to check the ABS system. TIRE PRESSURE WARNING LIGHT “...

  • Page 25: Multifunction Display

    HOKU 400 Manual - Operation - Maintenance MULTIFUNCTION DISPLAY Front or rear tire pressure indicator. Speedometer Indicates motorcycle speed. Speed scale indication Km/h = kilometres/hour. Mph = miles/hour. Display parameters ODO = Odometer (read-only value). TRIP = Partial odometer (see /TRIP settings).

  • Page 26: Projection Interface Settings

    HOKU 400 Manual - Operation - Maintenance There're three buttons: upkey, downkey and set. BRIGHTNESS SETTINGS Display brightness status ,Short press the “SET” key to enter. Short press the up/down key to switch (Automatic、 20%、40%、60%、80%、100%)。Short press the “SET” key to confirm. Please return to the main interface after with no operaton in 8s.

  • Page 27: Unit Settings

    HOKU 400 Manual - Operation - Maintenance MILEAGE RESET SETTINGS Please return to the main interface after with no operaton Display mileage reset status,Short press the “SET” key to in 8s. enter. Short press the up/down key to switch between IRE PRESSURE SETTINGS Cancel (default) and Confrim.

  • Page 28: Revolution Counter

    ①, the relevant “ECU” error code is Maintain the engine speed within 11500 rpm. indicated on the display ②; Find the nearest SWM dealer to check the fault. WARNING The motor can be ruined by exceeding 11500 rpm...

  • Page 29: Ecu Fault Code

    HOKU 400 Manual - Operation - Maintenance ECU FAULT CODE Index Fault Path Description of DTC Active MIL P0122 Throttle/Pedal Pos.Sensor Circ. Low Input √ CDCDK P0123 Throttle/Pedal Pos.Sensor Circ. High Input √ P0201 Cylinder 1- Injector Circuit open √...
  • Page 30 HOKU 400 Manual - Operation - Maintenance CDCHSVE P0030 O2 Sensor Heater Resistance(Bank② Sensor 2) √ P0031 O2 Sensor Heater Resistance(Bank② Sensor 2) √ CDCDK P0032 O2 Sensor Heater Resistance(Bank② Sensor 2) √ P0050 O2 Sensor Heater Resistance(Bank② Sensor 2) √...
  • Page 31 HOKU 400 Manual - Operation - Maintenance P0130 O2 Sensor Circ.,Bank1-Sensor1 Malfunction √ P0131 O2 Sensor Circ.,Bank1-Sensor1 Low Voltage √ CDCLSV P0132 O2 Sensor Circ.,Bank1-Sensor1 High Voltage √ P0134 O2 Sensor Circ.,Bank1-Sensor1 No Activity Detected √ P0150 O2 Sensor Circ.,Bank1-Sensor2 Malfunction √...
  • Page 32 HOKU 400 Manual - Operation - Maintenance P0444 Canister purge valve Circuit open √ CDCTEVE P0458 Canister purge valve Circuit low √ P0459 Canister purge valve Circuit high √ P0116 Engine Coolant Temp.Circ. Range/Performance √ P0117 Engine Coolant Temp.Circ. Low Input √...

  • Page 33: Abs Fault Code

    HOKU 400 Manual - Operation - Maintenance ABS FAULT CODE Recommended DTC Malfunction Possible Causes Measures C1101 ECU Voltage supply: high voltage Poor connect of battery terminal. Clean the terminal. C1102 ECU Voltage supply: low voltage Poor connect of battery terminal.
  • Page 34 HOKU 400 Manual - Operation - Maintenance Check the distance between Too much gap between the sen- C1208 Wheel-speed sensor, rear: general error the sensor probe with tone sor probe with tone wheel. wheel. C1604 ECU error (hardware, Micro-controller error)

  • Page 35: Controls

    HOKU 400 Manual - Operation - Maintenance CONTROLS IGNITION SWITCH The ignition switch①has three positions: Motorcycle start position (key not removable); Key removal position; Steering lock position (key removable). Key removal position " " Turning the key to position , the engine and the lights go off and you can remove the key from the ignition block.

  • Page 36: Steering Lock

    HOKU 400 Manual - Operation - Maintenance STEERING LOCK The motorcycle comes with a steering lock located on the ignition switch ①. Lock the steering as follows: - Turn the handlebar to the left. - Insert key ② in the ignition switch ① set to - Press the key in ②...

  • Page 37: Rh Handlebar Switch

    HOKU 400 Manual - Operation - Maintenance RH HANDLEBAR SWITCH The right-hand switch features the following controls: 1) Engine start button Pressing the button ① with the key in position and the switch ② in position, the engine starts. 2) Engine KILL SWITCH.

  • Page 38: Lh Handlebar Switch

    HOKU 400 Manual - Operation - Maintenance LH HANDLEBAR SWITCH The left-hand switch features the following controls: High beam flasher (self-cancelling). High beam. Low beam. Left-hand turning indicators (self-cancelling). Right-hand turning indicators (self-cancelling). To deactivate the turning indicators, press the control lever after it is returned to the center.

  • Page 39: Throttle Control

    HOKU 400 Manual - Operation - Maintenance THROTTLE CONTROL FRONT BRAKE CONTROL The throttle twistgrip ① is located on the right-hand The brake control lever ② is located on the right-hand side of the handlebar. side of the handlebar. A stop switch, during the braking action, causes the stop light on the tail light to come on.

  • Page 40: Clutch Control

    HOKU 400 Manual - Operation - Maintenance CLUTCH CONTROL REAR BRAKE CONTROL The clutch control lever ① is located on the left-hand The rear brake control pedal ① is placed on the right- side of the handlebar and is equipped with a protection.

  • Page 41: Gear Shift Control

    HOKU 400 Manual - Operation - Maintenance GEAR SHIFT CONTROL WARNING The lever ① is placed on the left-hand side of the en- Do not shift gears without disengaging the clutch gine. and closing the throttle. The engine could be dam- The rider must release the lever after each gear change aged by “over-revving”.

  • Page 42: Fuelling

    HOKU 400 Manual - Operation - Maintenance FUELLING Recommended fuel: premium grade UNLEADED fuel NOTE (R.O.N 95). To refit the fuel cap③, the key must be into the lock; the key②can be removed from the cap③only if the WARNING cap it properly closed.

  • Page 43: Side Stand

    HOKU 400 Manual - Operation - Maintenance SIDE STAND A side stand ① is supplied with every motorcycle. NOTE Periodically check the side stand (see “Scheduled Lower the stand with your right foot keeping the mo- Maintenance Chart”); make sure that the springs are not torcycle balanced.

  • Page 44: Instructions For Using The Motorcycle

    HOKU 400 Manual - Operation - Maintenance INSTRUCTIONS FOR USING THE MOTORCYCLE -Turn the ignition switch to position: check the light- NOTE ing of instrument display and, with gearbox in neutral, If you are not familiar with the motorcycle operation, make sure that the neutral warning light comes on;...

  • Page 45: Instructions For Running-In

    HOKU 400 Manual - Operation - Maintenance INSTRUCTIONS FOR RUNNING-IN -NEVER ride downhill with GEARBOX IN NEUTRAL, but The exclusivity of the design, with the high quality of the shift into gear in order to use the engine braking, thus materials used and the accuracy of the assembly, guar- preventing the fast wear of the brake pads.
  • Page 46 HOKU 400 Manual - Operation - Maintenance OPERATION PROBLEMS The engine lacks power The following list is used for troubleshooting and to find -Dirty air filter: clean the necessary remedies -The spark plug electrode gap is too large: adjust; The engine does not start -Incorrect valve clearance: adjust;...
  • Page 47 HOKU 400 Manual - Operation - Maintenance The battery overheats -Faulty voltage regulator: replace; Difficulty in shifting gears -Engine oil with too high viscosity rating: replace with the recommended oil; The clutch slips -Insufficient spring load: replace; -Worn-out clutch plates: replace;...

  • Page 48: Mounting/Dismounting Of Rider And Passenger

    HOKU 400 Manual - Operation - Maintenance MOUNTING/DISMOUNTING OF RIDER AND PASSENGER General Mounting of rider Carefully read the instructions below as they provide With the motorcycle on the side stand, do the following: important information for rider and passenger safety...
  • Page 49 HOKU 400 Manual - Operation - Maintenance Mounting of passenger CAUTION Get the rider to mount first as described in the relevant section without starting the engine. If you are unable to place both feet on the ground, -Get the passenger to put the passenger footrests ①...
  • Page 50 HOKU 400 Manual - Operation - Maintenance -Place your left hand on the rider's shoulder, your left -Hold onto the special handles ②. foot on the footrest and then mount the motorcycle by -Using your left leg, fully retract the stand.
  • Page 51 HOKU 400 Manual - Operation - Maintenance Dismounting the motorcycle -Stop the vehicle and switch off the engine. CAUTION Make sure that the area where you want to park the vehicle is stable and level. Place both feet on the ground.

  • Page 52: Adjusting The Rear-View Mirrors

    HOKU 400 Manual - Operation - Maintenance ADJUSTING THE REAR-VIEW MIRRORS Sit on the motorcycle as described in the relative para- graph. Adjust both mirrors ① so that you can clearly see the road behind you when seated.
  • Page 53 HOKU 400 Manual - Operation - Maintenance STARTING THE ENGINE After getting on the motorcycle as described in the rel- ative paragraph, operate as follows to start the engine: - Place ignition key ① to position (the buzz that you hear when you turn the key to...
  • Page 54 HOKU 400 Manual - Operation - Maintenance NOTE A safety switch is set on the clutch lever support. This switch allows you to ONLY start the engine withthe gearbox idle, or with the gear engaged and theclutch lever pulled. With the stand lowered, the bike can only be started...

  • Page 55: Important Note In Case Of Cold Starts At Low

    HOKU 400 Manual - Operation - Maintenance IMPORTANT NOTE IN CASE OF COLD STARTS AT LOW TEMPERATURES It is recommended to briefly warm up at idle speed until you get a normal engine response to the accelerator openings In this way the oil can reach all the surfaces needing lu-...

  • Page 56: Stopping The Motorcycle And The Engine

    HOKU 400 Manual - Operation - Maintenance STOPPING THE MOTORCYCLE AND THE ENGINE - Fully close the throttle twist grip①to decelerate the motorcycle. - Apply both front②and rear③brakes whiledownshift- ing (for sharp deceleration, operate in a decided manner on the brake lever and pedal).
  • Page 57 HOKU 400 Manual - Operation - Maintenance - When stopped, pull the clutch lever ④ and shift gear lever ⑤ into the neutral position - Turn the ignition key ⑥ to the position (position for removing key).

  • Page 58: Engine Emergency Stop

    HOKU 400 Manual - Operation - Maintenance ENGINE EMERGENCY STOP WARNING - Flick the red switch⑦to stop the engine and then It can be useful to use the front brake independently flick it back to position or to use the combined braking depending on the When the bike is off, place it on its side stand.

  • Page 59: Periodic Maintenance And Adjustments

    HOKU 400 Manual - Operation - Maintenance PERIODIC MAINTENANCE AND ADJUSTMENTS Carry out proper maintenance according to the table given in Appendix A in this manual, which indicates the periodic maintenance intervals. The intervals indicated in the maintenance table refer to normal use. Nevertheless, it may be necessary to reduce these intervals in relation to the climatic conditions and individual use.

  • Page 60: Oil Level Check

    HOKU 400 Manual - Operation - Maintenance OIL LEVEL CHECK NOTE Check the oil level when the engine has just been turned off and is still hot. WARNING Be careful not to touch hot engine oil -Position the motorcycle on a flat surface in vertical po- sition.

  • Page 61: Engine Oil And Filter Change

    HOKU 400 Manual - Operation - Maintenance ENGINE OIL AND FILTER CHANGE NOTE Carry out this operation with the engine hot. CAUTION Be careful not to touch the hot oil. - Position the motorcycle on a flat surface in vertical position.
  • Page 62 HOKU 400 Manual - Operation - Maintenance - Pour about 2.5 L of oil into the oil tank through the CLEANING THE OIL PAN AND THE PRIMARY FILTER filler neck ④. Remove the oil filter cap with an oil filter wrench. Clean-...

  • Page 63: Engine Coolant Level Check

    HOKU 400 Manual - Operation - Maintenance ENGINE COOLANT LEVEL CHECK The engine coolant level must be between the MIN and MAX notches on the clear reservoir ①. The coolant level check must be carried out with engine cold and motorcycle perpendicular to the ground.

  • Page 64: Air Filter Check And/Or Replacement

    HOKU 400 Manual - Operation - Maintenance AIR FILTER CHECK AND/OR REPLACEMENT Turn the key ①, lift the passenger seat and remove it. - Remove the cover ②. - Unscrew the screw ③ and remove the front seat cush- ion assembly ④...
  • Page 65 HOKU 400 Manual - Operation - Maintenance - Unscrew the screw (5) and remove the filter cover (6). - Remove the filter and check its condition; to clean it, blow it with compressed air; if it is very dirty, replace it.

  • Page 66: Spark Plug Check

    -Remove the tank cover; If the spark plug is replaced, use one with the same rating. -Overturn the frame and the tank; CAUTION As this procedure is quite complex, it is advised to contact an SWM Dealer for spark plug check/re- placement.
  • Page 67 HOKU 400 Manual - Operation - Maintenance WARNING A spark plug with heat rating too high can cause pre- ignition and possible engine damage A spark plug with heat rating too low can cause a significant in- crease in carbon deposits.

  • Page 68: Tyres

    HOKU 400 Manual - Operation - Maintenance TYRES -Check the tyre pressure which should be as indicated This motorcycle is equipped with tyres with inner tube. under TECHNICAL DATA. WARNING The wheels have been designed to mount tyres with WARNING inner tube It is prohibited to mount tubeless tyres.

  • Page 69: Front Brake Fluid Level Check

    Since it is dangerous to ride the motorcycle under such conditions, have the brake system imme- diately checked by the SWM Dealer. CAUTION Do not spill brake fluid onto any painted surface or light lens.

  • Page 70: Rear Brake Fluid Level Check

    If the brake lever feels too "soft" when pulled, there may be air in the brake lines or the brake may be de- fective. Since it is dangerous to ride the motorcycle under such conditions, have the brake system imme- diately checked by the SWM Dealer.

  • Page 71: Brake Pad Wear Check

    -The pads have a groove ③ that indicates wear; when the groove has almost disappeared, the pair of brake pads has to be replaced. CAUTION Contact an SWM dealer to have the brake pads re- placed. WARNING After the brake pads have been replaced, ride care- fully and brake gradually in order to allow the brake pads to properly run in/couple to the relative discs.

  • Page 72: Pad Cleaning

    HOKU 400 Manual - Operation - Maintenance PAD CLEANING Make sure that there are no traces of brake fluid or oil FRONT on the pads or discs Use alcohol to clean the pads or discs from any traces of fluid or oil.
  • Page 73 HOKU 400 Manual - Operation - Maintenance BRAKE DISC WEAR Measure the thickness of each disc in the point of max- imum wear. Replace the disc if it wear exceeds the limit provided. DISC STANDARD SERVICE LIMIT FRONT 5 mm 4.5 mm...

  • Page 74: Combined Braking Pedal Position Adjustment

    HOKU 400 Manual - Operation - Maintenance COMBINED BRAKING PEDAL POSITION ADJUSTMENT The position of the rear brake pedal with respect to the footrest may be adjusted according to the individual needs. To adjust, proceed as follows. - Loosen the nut ①;...
  • Page 75 HOKU 400 Manual - Operation - Maintenance WARNING In the absence of the required free play, the brake pads will rapidly wear, resulting in the risk of TOTAL BRAKE INEFFICIENCY or rear brake lock.
  • Page 76 HOKU 400 Manual - Operation - Maintenance SINGLE REAR SHOCK ABSORBER SPRING PRELOAD ADJUSTMENT The single rear shock absorber ① spring preload can be adjusted; to make the adjustment, operate as follows: -Clean lock ring nut ② and adjusting ring nut ③ of the spring;...

  • Page 77: Fork Functionality Check

    HOKU 400 Manual - Operation - Maintenance FORK FUNCTIONALITY CHECK STEERING BEARING CHECK To check proper operation of front fork, operate as fol- Place the motorcycle on a stand in vertical position and lows: secure it so that it cannot overturn.

  • Page 78: Chain Cleaning And Lubrication

    HOKU 400 Manual - Operation - Maintenance CHAIN CLEANING AND LUBRICATION The motorcycle is equipped with a chain ① with O-rings; to clean it, operate as follows; -Position the motorcycle in such a way that the rear wheel is lifted from the ground and can turn.

  • Page 79: Chain /Front Sprocket/Rear Sprocket Wear Check

    HOKU 400 Manual - Operation - Maintenance CHAIN /FRONT SPROCKET/REAR SPROCKET WEAR CHECK -Check the condition of the chain ①; there may not be any damaged rollers, loosened pins or missing O-rings. -Check the condition of the pinion ② and crown ③...
  • Page 80 HOKU 400 Manual - Operation - Maintenance Chain should be checked, adjusted and lubricated as per Preliminary Operations: the Maintenance Chart to ensure safety and prevent ex- -Place the bike on a stand so as to have an adequate cessive wear If the chain becomes badly worn or is working space in the area of the rear wheel shaft.
  • Page 81 HOKU 400 Manual - Operation - Maintenance Procedure: Loosen the lock nuts ③. Loosen the wheel shaft by unscrewing the nut ② so that the rear wheel is free to slide in the slot but without excessive clearance. Operate the adjusters ④ alternately to the right...

  • Page 82: Throttle Control Cable Adjustment

    HOKU 400 Manual - Operation - Maintenance THROTTLE CONTROL CABLE ADJUSTMENT To check proper adjustment of the throttle control transmission, operate as follows: -Turn throttle twistgrip ① and make sure it has a clear- ance of approx. 2 mm; -Should this not be the case, move the two protective rubber elements ②;...

  • Page 83: Clutch Adjustment

    HOKU 400 Manual - Operation - Maintenance CLUTCH ADJUSTMENT Normally, the clutch is adjusted by only stretching the cable using the adjusting unit positioned on the han- dlebar. As a rule, it is sufficient to operate on the han- dlebar adjuster to restore the clearance due to the flex- ible transmission stretch.

  • Page 84: Removing The Front Wheel

    HOKU 400 Manual - Operation - Maintenance REMOVING THE FRONT WHEEL Position the motorcycle in such a way that the front wheel is lifted from the ground. Unscrew the two screws ① and remove the brake calli- per ②. Loosen the bolts ③ holding the wheel shaft ④ to the fork leg supports.

  • Page 85: Refitting The Front Wheel

    HOKU 400 Manual - Operation - Maintenance REFITTING THE FRONT WHEEL Fit the LH spacer (D) on the wheel hub. Fit the wheel between the fork legs. Fit the previously greased wheel shaft (5) from the right- hand side until it is fully home on the wheel bearing; it is advisable to turn the wheel while carrying out this op- eration.

  • Page 86: Removing The Rear Wheel

    HOKU 400 Manual - Operation - Maintenance REMOVING THE REAR WHEEL Unscrew the nut ① of the wheel pin and extract it. It is not necessary to loosen the chain tensioners; in this way, the chain tension will remain unchanged after reassem- bly.

  • Page 87: Wiring Diagram

    HOKU 400 Manual - Operation - Maintenance WIRING DIAGRAM...
  • Page 88 HOKU 400 Manual - Operation - Maintenance G/O……………………………………………… Green/Orange CABLE COLOUR CODING Gr ……………………………………………………………………Grey B………………………………………………………………………Blue G/W …………………………………………………Green/White B/Y ………………………………………………………Blue/Yellow Gr/W…………………………………………………Grey/ White B/Gr ……………………………………………………Blue /Grey Lg /R………………………………………… Light Green /Red B/R ……………………………………………………Blue / Red Lb …………………………………………………………Light Blue B/W ……………………………………………………Blue / White Lg ………………………………………………………Light Green...
  • Page 89 HOKU 400 Manual - Operation - Maintenance Y/R………………………………………………………Yellow/Red KEY TO WIRING DIAGRAM Y/B ……………………………………………………Yellow/ Blue Electronic power unit Pk……………………………………………………………Pink Pk/ B……………………………………………………Pink/ Blue OBD unit interface Pk/Bk……………………………………………………Pink/Black Brake fluid filler P……………………………………………………………Purple Starting motor P/Y……………………………………………………Purple/Yellow Start relay Battery Alternator Voltage regulator Power...
  • Page 90 HOKU 400 Manual - Operation - Maintenance Side stand sensor Fuel pump Coolant temperature sensor Injector Front stop switch HT coil Rear stop switch Lambda sensor Rear RH turning indicato Solenoid valve Tail light Front LH turning indicator Rear LH turning indicato...

  • Page 91: Battery

    If electrolyte leaks, or other failure of the electrical system, - To access the battery compartment, turn the key ①, lift are detected, contact the SWM Dealer. the passenger seat and remove it. Remove the battery If the vehicle remains unused for long periods, it is recom- cover.
  • Page 92 HOKU 400 Manual - Operation - Maintenance Using a battery charger with a constant voltage, first con- nect the RED positive cable to the battery positive terminal WARNING then the BLACK negative cable to the battery negative ter- If the battery is unused, it has to be in any case re- minal.

  • Page 93: Fuses

    HOKU 400 Manual - Operation - Maintenance FUSES Fuse malfunction could cause problems for the motorcy- cle. To access the fuse box, remove the passenger seat and open the protective door ①. To prevent short circuits, turn the ON/OFF switch to OFF, BEFORE working on the fuses.

  • Page 94: Fuse Table

    HOKU 400 Manual - Operation - Maintenance FUSE TABLE FUSE AMPERE PROTECTION Motor power fuse 、 Ignition Main fuse DC fuse Power fuse Spare fuse. Spare fuse. Spare fuse.

  • Page 95: Projector Bulb Replacement

    HOKU 400 Manual - Operation - Maintenance PROJECTOR BULB REPLACEMENT TAILLIGHT BULB REPLACEMENT / PLATE LIGHT -The front projector ① is the LED type, replace it if it does -The tail light ② is of LED type, if it does not work, replace...

  • Page 96: Plate Light Bulb Replacement

    HOKU 400 Manual - Operation - Maintenance PLATE LIGHT BULB REPLACEMENT TURNING INDICATOR BULB REPLACEMENT -The plate light ③ is of LED type, if it does not work, re- -The turning indicators light ④ is of LED type, if it does place it.

  • Page 97: Headlight Adjustment

    HOKU 400 Manual - Operation - Maintenance HEADLIGHT ADJUSTMENT When checking the proper aiming of the headlight beam: inflate tyres at the right pressure, have a person sit astride the motorcycle and set the motorcycle perpendicular to its longitudinal axis.

  • Page 98: Long Period Of Inactivity

    HOKU 400 Manual - Operation - Maintenance LONG PERIOD OF INACTIVITY To reactivate the motorcycle after storage, proceed as fol- When the motorcycle is to be stored for a certain period, lows: it should be prepared for storage as follows.

  • Page 99: Cleaning

    HOKU 400 Manual - Operation - Maintenance CLEANING Before washing the motorcycle, it is necessary to duly pro- tect the following parts: a) Rear opening of the muffler; b) Air filter intake; CAUTION Do not clean the motorcycle with highpressure jets! After washing: -Lubricate the points listed in the "Maintenance Chart"...

  • Page 100: Pre-Delivery Inspection

    HOKU 400 Manual - Operation - Maintenance PRE-DELIVERY INSPECTION Description Operation Pre-delivery  Engine oil Check level  Spark plugs Check / Replace  Throttle body Check and adjust  Brakes / Clutch Check operation  Brakes Check lines for leakage ...
  • Page 101 HOKU 400 Manual - Operation - Maintenance  Instrument panel Check operation  Lights / Visula signals Check operation  Horn Check operation  Headlight Check operation  Ignition switch Check operation  Locks Check operation  Screws and nuts Check / Tighten ...
  • Page 102 HOKU 400 Manual - Operation - Maintenance APPENDIX A...
  • Page 103 HOKU 400 Manual - Operation - Maintenance HOKU 400 SCHEDULED MAINTENANCE CHART (TO BE CARRIED OUT AT THE SWM DEALER) 1000 5000 10000 15000 20000 REPLACE IF NECESSARY VALVES C (*) C (*) C (*) VALVE SPRING VALVE CUP, VALVE...
  • Page 104 HOKU 400 Manual - Operation - Maintenance HOKU 400 SCHEDULED MAINTENANCE CHART (TO BE CARRIED OUT AT THE SWM DEALER) 1000 5000 10000 15000 20000 REPLACE IF NECESSARY VALVES C (*) C (*) C (*) VALVE SPRING VALVE CUP, VALVE HALF CONE CUVETTES, ROCKER ARM (INTAKE –EXHAUST)
  • Page 105 HOKU 400 Manual - Operation - Maintenance HOKU 400 SCHEDULED MAINTENANCE CHART (TO BE CARRIED OUT AT THE SWM DEALER) 1000 5000 10000 15000 20000 REPLACE IF NECESSARY OIL PUMP OIL FILTER CARTRIDGE CLUTCH HUB CLUTCH DISCS CLUTCH SPRING CLUTCH DISCS HOUSING...
  • Page 106 HOKU 400 Manual - Operation - Maintenance HOKU 400 SCHEDULED MAINTENANCE CHART (TO BE CARRIED OUT AT THE SWM DEALER) 1000 5000 10000 15000 20000 REPLACE IF NECESSARY SEAT FRAME FASTENING BOLTS, ENGINE FASTENING BOLTS SIDE STAND STEERING BEARINGS PLAY...
  • Page 107 HOKU 400 Manual - Operation - Maintenance HOKU 400 SCHEDULED MAINTENANCE CHART (TO BE CARRIED OUT AT THE SWM DEALER) 1000 5000 10000 15000 20000 REPLACE IF NECESSARY BRAKE FLUID CBS SYSTEM FLUID BRAKE PADS FUEL HOSES WHEEL HUB BEARINGS...
  • Page 108 HOKU 400 Manual - Operation - Maintenance C: CHECK NOTE C (*): CHECK CLEARANCE Upon every removal replace the gaskets; S: CHANGE Replace screws and nuts if worn; L: LUBRICATE General check after riding on mud or sand. R: OVERHAUL...

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