Honda CB125 Ace 2015 Owner's Manual
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Honda CB125 Ace 2015 Owner's Manual

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Summary of Contents for Honda CB125 Ace 2015

  • Page 1 CB125...
  • Page 2 This publication includes the latest production information available before printing. Honda Motor Co., Ltd. reserves the right to make changes at any time without notice and without incurring any obligation.
  • Page 3 Honda motorcycle. Your selection of a ● The illustrations here in are based on the Honda makes you part of a worldwide family CB125 II KE type. of satisfied customers who appreciate Country Codes Honda’s reputation for building quality into...
  • Page 4 A Few Words About Safety Your safety, and the safety of others, is very DANGER important. Operating this motorcycle safely is You WILL be KILLED or SERIOUSLY an important responsibility. HURT if you don’t follow instructions. To help you make informed decisions about safety, we have provided operating WARNING procedures and other information on safety...

  • Page 5: Table Of Contents

    Contents Motorcycle Safety P. 2 Operation Guide P. 12 Maintenance P. 30 Troubleshooting P. 78 Information P. 93 Specifications P. 104 Index P. 107...

  • Page 6: Motorcycle Safety

    Motorcycle Safety This section contains important information for safe riding of your motorcycle. Please read this section carefully. Safety Guidelines .........P. 3 Safety Precautions ........P. 6 Riding Precautions ........P. 7 Accessories & Modifications......P. 10 Loading ............P. 11...

  • Page 7: Safety Guidelines

    Safety Guidelines Safety Guidelines that you and your passenger are both wearing an approved motorcycle helmet and protective Follow these guidelines to enhance your safety: apparel. Instruct your passenger on holding ● Perform all routine and regular inspections onto the grab rail or your waist, leaning with specified in this manual.
  • Page 8 Safety Guidelines Make Yourself Easy to See Keep Your Honda in Safe Condition Make yourself more visible, especially at night, It’s important to keep your motorcycle properly by wearing bright reflective clothing, maintained and in safe riding condition. positioning yourself so other drivers can see...
  • Page 9 Safety Guidelines check the tightness of critical nuts and bolts, WARNING and check the handlebar, control levers, brakes, and wheels. Ride slowly and cautiously. Carbon monoxide gas is toxic. Your motorcycle may have suffered damage Breathing it can cause that is not immediately apparent. Have your unconsciousness and even kill you.

  • Page 10: Safety Precautions

    Safety Precautions ● Safety Precautions Face shield with unobstructed field of vision or other approved eye protection ● Ride cautiously and keep your hands on the WARNING handlebar and feet on the footpegs. ● Keep passenger’s hands onto the grab rail or Not wearing a helmet increases the your waist, passenger’s feet on the footpegs chance of serious injury or death in a...

  • Page 11: Riding Precautions

    Riding Precautions Riding Precautions Brakes Observe the following guidelines: ● Running-in Period Avoid excessively hard braking and down- shifts. During the first 500 km (300 miles) of running, Sudden braking can reduce the follow these guidelines to ensure your motorcycle's stability. motorcycle’s future reliability and performance.
  • Page 12 Riding Precautions ❙ ● Engine Braking Make sure that high-temperature parts Engine braking helps slow your motorcycle cannot come into contact with flammable down when you release the throttle. For further materials. ● slowing action, downshift to a lower gear. Use Do not touch the engine, muffler, brakes and engine braking with intermittent use of the other high-temperature parts until they cool...
  • Page 13 Riding Precautions Using the centre stand 3. Turn the handlebar fully to the left. To lower the centre stand, stand on the left Turning the handlebar to the right reduces side of the motorcycle. Hold the left handle stability and may cause the motorcycle to grip and the left grab rail.

  • Page 14: Accessories & Modifications

    Honda or make modifications to your motorcycle from its Follow all instructions in this owner’s original design. Doing so can make it unsafe.

  • Page 15: Loading

    Loading Loading WARNING ● Carrying extra weight affects your Overloading or improper loading can motorcycle’s handling, braking and stability. cause a crash and you can be seriously Always ride at a safe speed for the load you hurt or killed. are carrying.

  • Page 16: Operation Guide

    Basic Operation Flow ❙ Pre-ride Inspection (P35) ❙ Acceleration Carefully inspect your motorcycle to make sure that it is safe to ride. Apply throttle gradually. Obey the speed limit. ❙ (P23) Starting the Engine Start and warm the engine. ❙ Avoid revving the engine.
  • Page 17 ❙ Parking (P8) ❙ Braking Close the throttle and apply the Park on a firm level surface. front and rear brakes together. Use the stand, and lock the The brakelight will indicate that steering. you have applied the brakes. ❙ Stopping If pulling off the road, signal early enough to show traffic that you are...
  • Page 18 Parts Location CB125 KE, II KE Fuse holder (P91) (P48) Battery Throttle grip (P74) (P58) Front brake lever Spark plug (P52) Kickstarter pedal (P23) Engine oil fill cap/dipstick (P54) Rear suspension spring (P77) preload adjuster...
  • Page 19 Clutch lever (P71) (P27) Fuel fill cap Shift lever (P26) Choke lever (P23) (P57) Air cleaner Seat (P50) Rear suspension spring (P77) preload adjuster (P66) Drive chain Side stand (P65) Engine oil drain bolt (P55) Centre stand...
  • Page 20 Parts Location CB125 III KE (P91) Fuse holder (P48) Battery (P74) Throttle grip Front brake lever (P58) Spark plug (P52) (P23) Kickstarter pedal Engine oil fill cap/dipstick (P54) Rear suspension spring (P77) preload adjuster...
  • Page 21 (P71) Clutch lever (P27) Fuel fill cap (P26) Shift lever (P23) Choke lever (P57) Air cleaner Seat (P50) Rear suspension spring preload adjuster (P77) (P66) Drive chain Side stand (P65) Engine oil drain bolt (P55) Centre stand...
  • Page 22 Instruments CB125 KE, II KE Speedometer This shows your speed in kilometre per hour (km/h). Gear range This shows proper speed range for each gear. Odometer Total distance ridden. CB125 III KE Speedometer This shows your speed in kilometre per hour (km/h).
  • Page 23 Indicators CB125 KE, II KE Neutral indicator Comes on when the transmission is in Neutral. High beam indicator Turn signal indicator CB125 III KE High beam indicator Turn signal indicator Neutral indicator Comes on when the transmission is in Neutral.
  • Page 24 Switches Headlight dimmer switch • : High beam • : Low beam Start button Except CB125 KE Turn signal switch Pressing the switch turns the turn signal off. Horn button Headlight switch • : Headlight, taillight, position light and meter lights on. •...
  • Page 25 Ignition Switch Turns electrical system Switches the electrical system on/off, locks the on for starting/riding. steering. Key can be removed when in the OFF or LOCK Turns engine off. position. LOCK Locks steering. ❙ Steering Lock Locking Lock the steering when parking to help Turn the handlebar all the way to the left.
  • Page 26 Fuel Valve The three-way fuel valve is used to control the flow of fuel from the fuel tank to the carburetor. (On): Normal position for riding. (Off): For parking, storing, or transportation. (Res): For extra fuel to get to a gas station for refuelling.
  • Page 27 Starting the Engine Start your engine using the following To restart a warm engine, follow the procedure. procedure for “High Air Temperature.” NOTICE Extended fast idling and revving the engine can damage the engine, and the exhaust system. Normal Air Temperature 10 - 35ºC (50 - 95ºF): The fuel valve is (On).
  • Page 28 Starting the Engine High Air Temperature 35ºC (95ºF) Using the start button or Above: Except CB125 KE With the throttle slightly open, press the Follow steps 1-3 under “Normal Air start button. Temperature.” Using the kickstarter Do not use the choke. Lightly depress the kickstarter until Using the start button resistance is felt.
  • Page 29 Low Air Temperature 10ºC (50ºF) or If the engine starts, quickly close the throttle, then open it slightly if idling is Below: unstable. Follow steps 1-5 under “Normal Air If the engine does not start, wait 10 seconds Temperature.” before trying steps 3-4 again. Warm up the engine by opening and closing Using the kickstarter the throttle slightly.
  • Page 30 Shifting Gears Your motorcycle transmission has four upper limit speed. forward gears in a one-down, three-up shift Upshifting at speeds higher than the upper pattern when you shift with your toe. limit speed can cause damage to the engine. You can also shift to a higher gear by depressing the shift lever with your heel.
  • Page 31 Refuelling The tank should be refilled as soon as possible after switching to reserve, and the Fuel fill cap Lower edge of fuel valve should be returned to the (on) Ignition key filler neck position after refuelling to avoid running out of fuel with no reserve.
  • Page 32 Refuelling Closing the Fuel Fill Cap After refuelling, align the fuel fill cap latch with the slot in the filler neck. Push the fuel fill cap into the filler neck until it snaps closed and locks. Remove the key and close the lock cover. The key cannot be removed if the cap is not locked.
  • Page 33 Storage Equipment The document bag and the tool kit are in the compartment box behind the right side cover. Except CB125 III KE Tool kit Document Rear carrier ❙ Removing the Side Cover (P51) Never exceed the maximum weight limit. Maximum Weight: 3.0kg (6.6 lb)

  • Page 34: Maintenance

    Maintenance Please read “Importance of Maintenance” and “Maintenance Fundamentals” carefully before attempting any maintenance. Refer to “Specifications” for service data. Importance of Maintenance ......P. 31 Side Stand ..........P. 65 Maintenance Schedule.......P. 32 Drive Chain..........P. 66 Maintenance Fundamentals ......P. 35 Clutch............

  • Page 35: Importance Of Maintenance

    Importance of Maintenance Importance of Maintenance Maintenance Safety Keeping your motorcycle well-maintained is Always read the maintenance instructions absolutely essential to your safety and to before you begin each task, and make sure that protect your investment, obtain maximum you have the tools, parts, and skills required. performance, avoid breakdowns, and reduce air We cannot warn you of every conceivable pollution.

  • Page 36: Maintenance Schedule

    Honda’s standards and specifications by properly trained and Honda recommends that your dealer should equipped technicians. Your dealer meets all road test your motorcycle after each periodic of these requirements. Keep an accurate maintenance is carried out.
  • Page 37 : Inspect (clean, adjust, lubricate, or replace, if necessary) you have the necessary tools and are mechanically skilled. : Replace Procedures are provided in an official Honda Shop Manual. : Lubricate : Technical. In the interest of safety, have your motorcycle : Clean serviced by your dealer.
  • Page 38 Maintenance Schedule Frequency* Pre-ride Annual Regular Refer to Items Check × 1,000 km Check Replace page P. 35 × 1,000 mi 10 12.5 15 Brake Shoes Wear Brake System Brakelight Switch Headlight Aim Lights/Horn – Clutch System Side Stand Suspension –...

  • Page 39: Maintenance Fundamentals

    Maintenance Fundamentals ● Brakes-Check operation; Pre-ride Inspection Front and Rear: check shoes wear and To ensure safety, it is your responsibility to freeplay, adjust if necessary. P. 58 perform a pre-ride inspection and make sure ● Lights and horn-Check that lights, that any problem you find is corrected.
  • Page 40 Maintenance Fundamentals Replacing Parts WARNING Always use Honda Genuine Parts or their Installing non-Honda parts may make equivalents to ensure reliability and safety. your motorcycle unsafe and cause a When ordering coloured components, specify crash in which you can be seriously the model name, colour, and code mentioned hurt or killed.
  • Page 41 Maintenance Fundamentals Battery If the motorcycle is operated with insufficient battery electrolyte, sulfation and battery plate damage will occur. If rapid loss of electrolyte is experienced, or if your battery seems to be weak, causing hard starting or other electrical problems, see your dealer.
  • Page 42 Maintenance Fundamentals ❙ What to do in an emergency WARNING If any of the following occur, immediately see your doctor. The battery contains sulfuric acid ● Electrolyte splashes into your eyes: (electrolyte) which is highly corrosive Wash your eyes repeatedly with cool water and poisonous.
  • Page 43 Maintenance Fundamentals ❙ Checking the Battery Electrolyte Filling the battery above the UPPER LEVEL 1. Place your motorcycle on its centre stand on line may cause the electrolyte to overflow, a firm, level surface. resulting in corrosion to engine or frame 2.
  • Page 44 3. If the terminals are heavily corroded, clean same type. and polish the terminals with a wire brush or NOTICE sandpaper. Wear safety glasses. Installing non-Honda electrical accessories can overload the electrical system, discharging the battery and possibly damaging the system.
  • Page 45 “Specifications.” P. 105 For recommended engine oil, see “Specifications.” P. 105 Blown fuse If you use non-Honda engine oil, check the label to make sure that the oil satisfies all of the following standards: NOTICE ● JASO T 903 standard*...
  • Page 46 Maintenance Fundamentals The JASO T 903 standard is an index for engine Drive Chain oils for 4-stroke motorcycle engines. There are The drive chain must be inspected and two classes: MA and MB. For example, the lubricated regularly. Inspect the chain more following label shows the MA classification.
  • Page 47 Maintenance Fundamentals NOTICE Use of a new chain with worn sprockets will cause rapid chain wear. ❙ Cleaning and Lubricating After inspecting the slack, clean the chain and sprockets while rotating the rear wheel. Use a dry cloth with high flash-point solvent. Use a soft brush if the chain is dirty.
  • Page 48 Maintenance Fundamentals Crankcase Breather Tyres (Inspecting/Replacing) ❙ Service more frequently when riding in rain, at Checking the Air Pressure full throttle, or after the motorcycle is washed Visually inspect your tyres and use an air or overturned. Service if the deposit level can be pressure gauge to measure the air pressure at seen in the transparent section of the drain least once a month or any time you think the...
  • Page 49 Maintenance Fundamentals ❙ Inspecting for Abnormal Wear WARNING Inspect the tyres for signs of abnormal Riding on tyres that are excessively wear on the contact worn or improperly inflated can cause surface. a crash in which you can be seriously hurt or killed.
  • Page 50 Maintenance Fundamentals Have your tyres replaced by your dealer. WARNING For recommended tyres and air pressure, see “Specifications.” P. 105 Installing improper tyres on your Follow these guidelines whenever you replace motorcycle can adversely affect tyres. handling and stability, and can cause a ●...

  • Page 51: Tool Kit

    Tool Kit The tool kit is stored in the compartment box. P. 29 You can perform some roadside repairs, minor adjustments and parts replacement with the tools contained in the kit. ● Spark plug wrench ● 10 × 14 mm Open end wrench ●...

  • Page 52: Removing & Installing Body Components

    Removing & Installing Body Components ❙ Battery Removal Make sure the ignition switch is off. 1. Remove the right side cover. P. 51 Negative terminal Positive 2. Remove the battery holder by removing terminal Terminal nuts the bolt. 3. Disconnect the negative terminal from the battery.
  • Page 53 Removing & Installing Body Components Battery ❙ Installation Install the parts in the reverse order of removal. Always connect the positive terminal first. Make sure that bolts and nuts are tight. For proper handling of the battery, see “Maintenance Fundamentals.” P.

  • Page 54: Seat

    Removing & Installing Body Components Seat ❙ Seat Removal 1. Remove both side covers. P. 51 CB125 KE, II KE 2. Remove the mounting bolts. Mounting bolts 3. Pull the seat forward and up. ❙ Installation 1. Insert the tab(s) into the recess(es). 2.

  • Page 55: Side Cover

    Removing & Installing Body Components Side Cover Side Cover The right and left side covers can be removed in the same way. Left side ❙ Removal Grommets 1. Remove the screw. 2. Remove the prongs from the grommets. 3. Remove the side cover. Prongs ❙...

  • Page 56: Spark Plug

    Spark Plug Checking Spark Plug For the recommended spark plug, see “Specifications.” P. 105 Spark plug Use only the recommended type of spark plug in the recommended heat range. NOTICE Using a spark plug with an improper heat range can cause engine damage.
  • Page 57 Spark Plug Checking Spark Plug 5. Check the spark plug gap using a wire- 8. Tighten the spark plug: type feeler gauge. ● If the old plug is good: If adjustment is necessary, bend the 1/8 turn after it seats ●...

  • Page 58: Engine Oil

    Engine Oil Checking the Engine Oil 1. If the engine is cold, idle the engine for 3 to 5 minutes. 2. Turn the ignition switch off, and wait for 2 Upper to 3 minutes. level 3. Place your motorcycle on its centre stand Lower on a firm, level surface.
  • Page 59 Engine Oil Adding Engine Oil Adding Engine Oil NOTICE Overfilling with oil or operating with insufficient oil can If the engine oil is below or near the lower cause damage to your engine. Do not mix different brands level mark, add the recommended engine oil. and grades of oil.
  • Page 60 Engine Oil Changing Engine Oil 3. Place your motorcycle on its centre stand 6. Install a new sealing washer onto the on a firm, level surface. drain bolt. Tighten the drain bolt. 4. Place a drain pan under the drain bolt. Torque: 24 N·m (2.4 kgf·m, 18 lbf·ft).

  • Page 61: Air Cleaner

    Air Cleaner Cleaning the Air Cleaner Never use petrol or low flash point solvents for cleaning the air cleaner Element element. A fire or explosion could result. 1. Remove the left side cover. P. 51 Inspect for tears or cracks in the foam 2.

  • Page 62: Brakes

    Brakes Inspecting the Front Brake Check the brake cable for kinks or signs of wear. If necessary have it replaced by your Lever Freeplay dealer. Lubricate the brake cable with a 1. Place your motorcycle on its centre stand commercially available cable lubricant to on a firm, level surface.
  • Page 63 Brakes Adjusting the Front Brake Lever Freeplay Adjusting the Front Brake Lever Freeplay Adjust the freeplay of the brake lever with the front wheel pointed straight ahead. Decrease Freeplay Make sure the cut-out on the adjusting nut is seated on the brake arm pin when adjusting Brake the freeplay.
  • Page 64 Brakes Inspecting the Rear Brake Pedal Freeplay Inspecting the Rear Brake Pedal Brake arm Freeplay 1. Place your motorcycle on its centre stand on a firm, level surface. Push 2. Measure the distance of the rear brake pedal before the starts to take hold. Freeplay at the tip of the brake pedal: 20 to 30 mm (0.8 to 1.2 in) Brake...
  • Page 65 Brakes Adjusting the Rear Brake Pedal Freeplay Make sure the brake rod, brake arm, spring and fastener are in good condition. Adjusting the Rear Brake Pedal Decrease Freeplay Freeplay Make sure the cut-out on the adjusting nut is Brake seated on the brake arm pin when adjusting arm pin Adjusting Increase...
  • Page 66 Brakes Adjusting the Rear Brake Pedal Freeplay 3. Push the brake arm to confirm that there Make sure the brake rod, brake arm, spring is a gap between the rear brake adjusting and fastener are in good condition. nut and brake arm pin. NOTICE Brake arm Do not turn the adjuster beyond its natural limits.
  • Page 67 Front Reference See your dealer for this service. mark Brake panel When the brake service is necessary, see your dealer. Use only Honda Genuine Parts or its Arrow equivalent. Brake Rear Reference mark Brake panel...
  • Page 68 Brakes Adjusting the Brakelight Switch Adjusting the Brakelight Brakelight switch Switch Check the operation of the brakelight switch. Adjusting 1. Remove the right side cover. P. 51 2. Hold the brakelight switch and turn the adjusting nut in the direction A if the switch operates too late, or turn the nut in the direction B if the switch operates too soon.

  • Page 69: Side Stand

    Side Stand Checking the Side Stand Side stand spring 1. Check that the side stand operates smoothly. If the side stand is stiff or squeaky, clean the pivot area and lubricate the pivot bolt with clean grease. 2. Check the spring for damage or loss of tension.

  • Page 70: Drive Chain

    Drive Chain Inspecting the Drive Chain Slack Check the drive chain slack at several points along the chain. If the slack is not constant at all points, some links may be kinked and binding. Have the chain inspected by your dealer. Inspection 1.
  • Page 71 Drive Chain Inspecting the Drive Chain Slack 4. Move the drive chain up and down with 6. Remove the chain covers by removing the your finger. bolts. Drive chain slack: 25 to 35 mm (1.0 to 1.4 in) Do not ride your motorcycle if the slack exceeds 50 mm (2.0 in).
  • Page 72 Drive Chain Adjusting the Drive Chain Slack Adjusting the Drive Chain Slack Adjusting nut Index marks Adjusting the chain requires special tools. Have the drive chain slack adjusted by your dealer. 1. Place the transmission in Neutral. Stop the engine. Rear edge of adjusting slot 2.
  • Page 73 Drive Chain Adjusting the Drive Chain Slack 5. Turn both adjusting nuts an equal 7. Tighten the rear axle nut. number of turns until the correct drive Torque: 88 N·m (9.0 kgf·m, 65 lbf·ft). chain slack is obtained. Turn the 8.
  • Page 74 Drive Chain Adjusting the Drive Chain Slack ❙ Checking the Drive Chain Wear If the drive chain slack is excessive when the rear axle is moved to the furthest limit of adjustment, the drive chain is worn and must be replaced. Chain: KMC428DF If necessary have the drive chain replaced by...

  • Page 75: Clutch

    Clutch Checking the Clutch Check the clutch cable for kinks or signs of wear. If necessary have it replaced by your dealer. ❙ Checking the Clutch Lever Freeplay Lubricate the clutch cable with a commercially available cable lubricant to Check the clutch lever freeplay. prevent premature wear and corrosion.
  • Page 76 Clutch Adjusting the Clutch Lever Freeplay Adjusting the Clutch Lever – Freeplay Rubber dust cover ❙ Upper Adjustment Attempt adjustment with the upper clutch cable adjuster first. 1. Pull back the rubber dust cover. Upper lock Upper clutch 2. Loosen the upper lock nut. cable adjuster 3.
  • Page 77 Clutch Adjusting the Clutch Lever Freeplay 1. Loosen the upper lock nut and turn the Lower adjusting nut Lower lock nut upper clutch cable adjuster all the way in (to provide maximum freeplay). Tighten the upper lock nut. 2. Loosen the lower lock nut. 3.

  • Page 78: Throttle

    Throttle Checking the Throttle With the engine off, check that the throttle rotates smoothly from fully closed to fully open in all steering positions and throttle freeplay is correct. If the throttle does not move smoothly, close automatically, or if the cable is damaged, have the motorcycle inspected by your dealer.

  • Page 79: Crankcase Breather

    Crankcase Breather Cleaning the Crankcase Breather 1. Remove the left side cover. P. 51 2. Remove the crankcase breather tube and drain deposits. 3. Reinstall the crankcase breather tube. 4. Install the left side cover. Crankcase breather tube...

  • Page 80: Other Adjustments

    Other Adjustments Adjusting the Headlight Aim CB125 KE, II KE You can adjust vertical aim of the headlight Raise for proper alignment. To move the headlight case, loosen the bolt(s). Tighten the bolt(s) after adjustment. Obey local laws and regulations. Lower Bolt CB125 III KE...

  • Page 81: Rear Suspension

    Other Adjustments Adjusting the Rear Suspension Adjusting the Rear Suspension Adjuster ❙ Spring Preload Adjusting the suspension requires a pin 1 2 3 4 5 spanner. We recommend that you have your motorcycle serviced by your dealer. You can adjust the spring preload by the adjuster to suit the load or the road surface.

  • Page 82: Troubleshooting

    Troubleshooting Engine Will Not Start .........P. 79 Tyre Puncture ..........P. 80 Tube Repair and Replacement ....P. 80 Removing Wheels........P. 80 Electrical Trouble........P. 85 Battery Goes Dead........P. 85 Burned-out Light Bulb .......P. 85 Blown Fuse..........P. 91...

  • Page 83: Engine Will Not Start

    Engine Will Not Start Starter Motor Operates But Engine Does Not Start Engine Does Not Start CB125 KE Check the following items: CB125 II KE, III KE ● Check the correct engine starting Check the following items: sequence P. 23 ●...

  • Page 84: Tyre Puncture

    Tyre Puncture Repairing a puncture or removing a wheel WARNING requires special tools and technical expertise. We recommend you have this type of service Riding your motorcycle with a performed by your dealer. temporary tyre or tube repair can be After an emergency repair, always have the risky.
  • Page 85 Tyre Puncture Removing Wheels ❙ Front Wheel 4. Remove the front brake adjusting nut and remove the front brake cable from the Removal brake arm. 1. Place your motorcycle on its centre stand on a firm, level surface. 2. Raise the front wheel off the ground by placing a support block under the engine.
  • Page 86 Tyre Puncture Removing Wheels Installation 3. Make sure that the lug on the left fork leg 1. Install the side collar into the right side is located in the brake panel. wheel hub. 4. Tighten the front axle nut. 2. Position the wheel between the fork legs Torque: 59 N·m (6.0 kgf·m, 44 lbf·ft).
  • Page 87 Tyre Puncture Removing Wheels ❙ Rear Wheel 6. Loosen the drive chain lock nuts and drive chain adjusting nuts. Removal 7. Remove the rear axle nut. 1. Place your motorcycle on its centre stand 8. Remove the drive chain from the rear on a firm, level surface.
  • Page 88 Tyre Puncture Removing Wheels Installation Improper assembly may lead to loss of 1. To install the rear wheel, reverse the braking capacity. removal procedure. 2. Tighten the rear axle nut. A used cotter pin may not effectively secure a fastener. Always replace a used cotter pin Torque: 88 N·m (9.0 kgf·m, 65 lbf·ft).

  • Page 89: Electrical Trouble

    Electrical Trouble Battery Goes Dead Burned-out Light Bulb Charge the battery using a motorcycle Follow the procedure below to replace a battery charger. burned-out light bulb. Remove the battery from the motorcycle Turn the ignition switch to the OFF or LOCK before charging.
  • Page 90 Electrical Trouble Burned-out Light Bulb ❙ Headlight Bulb 1. Remove the screws from the headlight case. CB125 KE, II KE 2. Gently pull the lower end of the headlight Screws forward and remove the headlight. 3. Remove the seat rubber. 4.
  • Page 91 Electrical Trouble Burned-out Light Bulb CB125 III KE 1. Remove the rubber plug. 2. Remove the front visor by removing the Front visor Rubber Screws screws. plug 3. Pull the position light socket and remove 4. Disconnect the headlight connector. 5.
  • Page 92 Electrical Trouble Burned-out Light Bulb ❙ Position Light bulb CB125 III KE CB125 KE, II KE Socket Bulb Socket Bulb 1. Pull the socket and remove it. 2. Pull out the bulb without turning. 3. Install a new bulb and parts in the reverse 1.
  • Page 93 Electrical Trouble Burned-out Light Bulb ❙ Brake/Tail light bulb 1. Remove the taillight lens by removing the screws. CB125 KE, II KE 2. Slightly press the bulb in and turn it counterclockwise. 3. Install a new bulb and parts in the reverse Bulb order of removal.
  • Page 94 Electrical Trouble Burned-out Light Bulb ❙ Front/Rear Turn Signal Bulb 1. Remove the screw A. 2. Remove the socket, turn signal lens and lens packing by removing the screws B. Screws B 3. Slightly press the bulb and turn it counterclockwise.

  • Page 95: Blown Fuse

    Electrical Trouble Blown Fuse Blown Fuse Fuse holder Before handling fuses, see “Inspecting and Replacing Fuses.” P. 41 Fuse holder Clips Spare Fuse holder cover fuses Clips 3. Open the fuse holder and lift out the blown fuse with the clips. Blown fuse 4.
  • Page 96 Electrical Trouble Blown Fuse Do not pry the clips open to get a fuse out; Fuse holder you could bend them and cause poor contact with the new fuse. A loose fuse could cause damage to the electrical system and even start a fire.

  • Page 97: Information

    Information Keys.............P. 94 Instruments, Controls, & Other Features... P. 95 Caring for Your Motorcycle.......P. 96 Storing Your Motorcycle ......P. 99 Transporting Your Motorcycle ....P. 100 You & the Environment ......P. 101 Serial Numbers .........P. 102 Fuels Containing Alcohol......P. 103...

  • Page 98: Keys

    Keys Keys Ignition key Be sure to record the key number provided with the original keys. Store the spare key in a safe location. To make a duplicate, take the spare key or the key number to your dealer. If you lose all keys and the key number, the ignition switch assembly will probably have to be removed by your dealer to determine the key number.

  • Page 99: Instruments, Controls, & Other Features

    Instruments, Controls, & Other Features Instruments, Controls, & Other Features Ignition Switch Leaving the ignition switch ON with the engine stopped will drain the battery. Do not turn the key while riding. Odometer The odometer returns to 0 when the read-out exceeds 99999.9.

  • Page 100: Caring For Your Motorcycle

    Frequent cleaning and polishing is important to 3. Thoroughly rinse your motorcycle with plenty ensure the life of your Honda. A clean of clean water and dry with a soft, clean motorcycle makes it easier to spot potential cloth.
  • Page 101 Caring for Your Motorcycle ❙ ● Washing Precautions Do not direct water at the air cleaner: Follow these guidelines when washing: Water in the air cleaner can prevent the ● Do not use high-pressure washers: engine from starting. ● High-pressure water cleaners can damage Do not direct water near the headlight: moving parts and electrical parts, Any condensation inside the headlight...
  • Page 102 Caring for Your Motorcycle Aluminium Components Exhaust Pipe and Muffler Aluminium will corrode from contact with dirt, When the exhaust pipe and muffler are painted, mud, or road salt. Clean aluminium parts do not use a commercially available abrasive regularly and follow these guidelines to avoid kitchen cleaning compound.

  • Page 103: Storing Your Motorcycle

    Storing Your Motorcycle Storing Your Motorcycle After removing your motorcycle from storage, inspect all maintenance items required by the If you store your motorcycle outdoors, you Maintenance Schedule. should consider using a full-body motorcycle cover. If you won’t be riding for an extended period, follow these guidelines: ●...

  • Page 104: Transporting Your Motorcycle

    Transporting Your Motorcycle Transporting Your Motorcycle If your motorcycle needs to be transported, it should be carried on a motorcycle trailer or a flatbed truck or trailer that has a loading ramp or lifting platform, and motorcycle tie-down straps. Never try to tow your motorcycle with a wheel or wheels on the ground.

  • Page 105: You & The Environment

    You & the Environment You & the Environment drain or on the ground. Used oil, petrol, and cleaning solvents contain poisons that can hurt Owning and riding a motorcycle can be refuse workers and contaminate drinking enjoyable, but you must do your part to protect water, lakes, rivers, and oceans.

  • Page 106: Serial Numbers

    Serial Numbers Serial Numbers The frame and engine serial numbers uniquely identify your motorcycle and are required in order to register your motorcycle. They may also be required when ordering replacement parts. The frame number is stamped on the right side of the steering head.

  • Page 107: Fuels Containing Alcohol

    Fuels Containing Alcohol Fuels Containing Alcohol The use of petrol containing more than 10% ethanol may: ● Some conventional fuels blended with alcohol Damage the painting of the fuel tank. ● are available in some locales to help reduce Damage the rubber tubes of the fuel line. ●...

  • Page 108: Specifications

    Specifications Specifications ■ Main Components Displacement 125 cm (7.6 cu-in) Overall length 2,050 mm (80.7 in) Bore × stroke 52.4 × 57.9 mm (2.06 × 2.28 in) Overall width 751 mm (29.6 in) Compression ratio 9.0:1 CB125 KE, II KE 1,056 mm (41.6 in) Unleaded petrol Overall height...
  • Page 109 0.80 to 0.90 mm (0.031 to 0.035 in) ■ Fuses Idle speed 1,400 ± 100 rpm Main fuse Honda 4-stroke motorcycle oil API Service Classification SG or higher, excluding oils Other fuse Recommended marked as energy conserving or resource engine oil conserving.
  • Page 110 Specifications ■ Torque Specifications Engine oil drain bolt 24 N·m (2.4 kgf·m, 18 lbf·ft) Front wheel axle nut 59 N·m (6.0 kgf·m, 44 lbf·ft) Rear wheel axle nut 88 N·m (9.0 kgf·m, 65 lbf·ft) Rear brake stopper arm nut 22 N·m (2.2 kgf·m, 16 lbf·ft)

  • Page 111: Index

    Index Index Accessories..........10 Drive Chain .......... 42, 66 Battery ..........37, 48 Electrical Trouble........85 Brakelight Switch........64 Engine Brakes Number..........102 Shoe Wear ..........63 Oil ............41, 54 Braking ............7 Starting ............ 23 Bulb Environment ..........101 Brake/Tail Light ........
  • Page 112 Importance ..........31 Headlight Aim ........... 76 Safety ............31 Headlight Dimmer Switch......20 Schedule...........32 Headlight Switch ........20 Maximum Weight Limit on Rear Carrier ..11 High Beam Indicator ......... 19 Modifications ..........10 Horn Button..........20 Neutral Indicator ........19 Ignition key..........94 Ignition Switch ........
  • Page 113 Oil............41 Refuelling ..........27 Throttle ............74 Removal Tool Kit ............47 Seat ............50 Transporting Your Motorcycle ....100 Side Cover ..........51 Troubleshooting........78 Riding Precautions ........7 Turn signal indicators........ 19 Tyres Air Pressure ..........44 Safety Precautions ........
  • Page 114 32K52D00 XXXX.2015.XX.F PRINTED IN XXXXXX...

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