HYOSUNG GV125S-EVO Manual
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HYOSUNG GV125S-EVO Manual

HYOSUNG GV125S-EVO Manual

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This manual should be considered a permanent
part of the motorcycle and should remain with the
motorcycle when resold or otherwise transferred to
a new owner or operator. The manual contains
important safety information and instructions which
should be read carefully before operating the
motorcycle.
- 1 -

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Summary of Contents for HYOSUNG GV125S-EVO

  • Page 1 This manual should be considered a permanent part of the motorcycle and should remain with the motorcycle when resold or otherwise transferred to a new owner or operator. The manual contains important safety information and instructions which should be read carefully before operating the motorcycle.
  • Page 2 1. BATTERY INITIAL CHARGING Standard charging before installing the battery in the vehicle improves battery durability. ※ : 1.2 A for 5~8 hours STANDARD CHARGING TIME Do not use the battery without the battery initial charging. Otherwise the battery service life may be shortened. The motorcycle use a battery ignition system.
  • Page 3 FOREWORD Thank you for choosing a HYOSUNG motorcycle. We at HYOSUNG have designed, tested produced this motorcycle using the most modern technology avail able to provide you with much happy, enjoyable, safe riding. Motorcycling is one of the most exhilarating sports and to...
  • Page 4 HYOSUNG reserves the right to make changes at any time, without notice and without incurring any obligation to make the same or similar changes to motorcycles previously built or sold.

  • Page 5: Warning / Caution / Note

    Proper break-in operation during viewed. this time will help ensure maximum life and performance from your new motorcycle. HYOSUNG parts are manufac- The personal safety of the rider tured of high quality materials, and may be involved. Disregarding manufactured parts are finished...
  • Page 6 Noise Control System (muffler assembly) TAMPERING WITH NOISE CONTROL SYSTEM PROHIBITED Owners are warned that the law may prohibit : The removal or rendering inoperative by any person other than for the purpose of maintenance, repair or replacement, of any device or element of design incorporated into any new vehicle for the purpose of noise control prior to its any sale or delivery to the ultimate purchaser or while it is in use.

  • Page 7: Consumer Information

    CONSUMER INFORMATION SAFE RIDING RECOMMENDATION ● Before first use of the mo- FOR MOTORCYCLE torcycle read this owner’s RIDERS manual carefully to become familiar with the motorcycle features, safety Motorcycle riding is great fun and maintenance requirements. an exciting sport. Motorcycle riding Review all instructions, re- also requires he/she to take some quirements and warnings.
  • Page 8 ● Caution the rider and oth- ers near the motorcycle not ● Before each use, perform to get close to or touch any daily inspections with the moving parts or any heated rider. areas such as the engine and ● Specific items to check are exhaust sys- tem.
  • Page 9 ● Do not run the engine in- The motorcycle is equipped doors or where there is with the side stand ignition little or no ventilation. Ex- interlock sys- tem. haust gases contain car- If the transmission is in neu- bon monoxide, a poten- tral or the side stand up, you tially lethal gas that is col- can only start the engine by...

  • Page 10: Wear A Helmet

    ⊙ WEAR A HELMET While operating the motorcy- cle, the rider should keep both feet on the footrests at all times to avoid injuries resulting Motorcycle safety equip- from accidents. Moving the ment starts with a quality rider’s feet from the footrests safety helmet.
  • Page 11 ⊙ INSPECTION BEFORE RID- ⊙ KNOW YOUR LIMITS Ride within the boundaries Review thoroughly the in- of your own skill at all struct ions in the “INSPEC- times. Knowing these limits TION BEFORE RIDING” sec- and staying within them will tion of this manual.

  • Page 12: Accessory Installation And Precaution Safety Tips

    Consult ating conditions. It is not possi- your dealer if you have any ble for HYOSUNG to test each questions. accessory on the market or com- binations of all the available ac- cessories, however, your dealer can 1. In case that additional weight...
  • Page 13 ble condition. freedom of movement of the 2. Inspect for proper ground rider and may limit his or her clearance and bank angle. An control ability. improperly mounted load could 6. Additional electrical acces- critically reduce these two safety sories may damage the existing factors.

  • Page 14: Table Of Contents

    TABLE OF CONTENTS 1. SAFE DRIVING SKILLS ..............16 CORRECT RIDING POSTIRE TURNING GRAVITY BRAKE TURNING REACTION TIME 2.SERIAL NUMBER LOCATION ............21 3.NAMES OF EACH PARTS ............. 22 4.CONTROLS ..................25 IGNITION SWITCH IGNITION KEY INSTRUMENT PANEL LEFT HANDLE SWITCHES RIGHT HANDLE SWITCHES REAR BRAKE PEDAL GEAR LEVER...
  • Page 15 8.INSPECTION BEFORE RIDING ............58 9.PERIODIC MAINTENANCE ..............61 10.INSPECTION AND MAINTENANCE ..........65 TOOL ENGINE OIL FUEL HOSE FUEL ANTIFREEZE RUBBER CAP OF CABLES REAR-VIEW MIRROR REFLECTOR EXHAUST PIPE AND MUFFLER FRONT AND REAR SUSPENSIONS BATTERY AIR CLEANER SPARK PLUG IDLING ADJUSTMENT THROTTLE CABLE PLAY ADJUSTMENT CLUTCH CABLE ADJUSTMENT...

  • Page 16: Safe Driving Skills

    SAFE DRIVING SKILLS CORRECT RIDING TURNING GRAVITY POSTIRE When driving a motorcycle, make sure to drive in the correct riding posture. CENTRIFUGAL FORCE Eyes: Don't just look at one place, but clearly see the sur- rounding environment of the JOIN FORCES GRAVITY ride.

  • Page 17: Brake

    the motorcycle from trying to BRAKE drive forward. Learning braking technique is ◉ REASONS FOR LONGER very important for safe driving. BRAKING DISTANCE ◉ PRECAUTIONS BRAKING 1. If the brake pads and brake 1. Keep the motorcycle verti- discs are worn, or there is wa- cal.

  • Page 18: Reaction Time

    the angle of inclination of the motorcycle. The tires are in good contact with the ground, because the inclination of the motorcycle is small. When it rains or the road is slippery, this posture is com- ◉ MOTORCYCLE TILTS fortable, but the driver's field of MORE THAN PEOPLE vision is limited.
  • Page 19 VISIBLE RANGE ◉ THE RELATIONSHIP BE- 0° TWEEN SPEED AND 35° 35° BRAKING DISTANCE SPEED RE A CTIO N BRAKING 2 4m 10km h DISTANCE DISTANCE DISTANCE 20km h 100° 100° 30km h ◉ VISIBLE RANGE OF VI- 40km h SION 50km h As the speed increases, the...
  • Page 20 ◉ REDUCED VISION If you look at a moving object or when you are moving, your eyesight will be lower than when you are stagnant. In other words, vision loss is inversely proportional to speed, as shown below. SPEED VISION 0 ㎞/h 10㎞/h 29㎞/h...

  • Page 21: Serial Number Location

    SERIAL NUMBER LOCATION The frame and/or engine serial numbers are used to register the motorcycle. They are also to assist your dealer in terms of ordering The engine serial number is parts or referring to special service stamped on the right upside of information.

  • Page 22: Names Of Each Parts

    NAMES OF EACH PARTS Handle bar instrument Left handle switches Front brake lever Clutch lever Throttle grip Rear-view mirror Right handle switches Instrument panel Fuel tank cap Front brake fluid reservoir - 22 -...
  • Page 23 Left side view Head lamp & Position lamp Brake / Tail lamp Front turn signal lamp Drive chain Passenger footrests Exhaust bolt Side stand Ignition coil (Front and rear) Footrests ECU fuse box Gearshift lever Battery Spark plug (Front) Seat Ignition switch Rear turn signal lamp Front brake disk...
  • Page 24 Right side view Rear brake disk Rear brake pedal Engine oil filter Spark plug (Rear) Engine oil level lens Air cleaner element Engine oil drain bolt Antifreeze filler plug Engine oil filler plug Direction lock Rear brake fluid reservoir Water tank Muffler Draining bolt N O T E...

  • Page 25: Controls

    CONTROLS Turning the ignition switch to “ ” position while motorcycle is moving can be hazardous. IGNITION SWITCH ◉ “ ” POSITION In this position, the ignition cir- cuit is connected and the engine can be started. The key cannot be removed from the ignition switch in this position.

  • Page 26: Ignition Key

    ◉ LOCK POSITION IGNITION KEY This is the steering lock posi- tion. When you want to park, Comes equipped with the two support the car with a bracket, ignition keys. turn the handlebar to the left, Keep the spare key in a safe insert the ignition key into the place.
  • Page 27 If the engine warning lamp When the ignition switch is does come on when the igni- turned to the “ ON ” position, the tion switch is set to “ON” pos i - meter lamp and display of the ti on with the engine stopped instrument panel will come on.
  • Page 28 ⑥ TURN SIGNAL INDICATOR after the vehicle has traveled over a speed of more 5 km/h (3 LAMP mph). When the turn signals are be- ing operated either to the right or to the left, the green in dicator will flash at the same time.
  • Page 29 ⑨ CLOCK ⑩ FUEL METER The clock indicates 24-hour mode. FUNCTION FUNCTION TYPE: Gradation type (LCD) Fuel gauge standard symbol MIM. TEN MIN . HOUR. Operational way： When fuel gauge is not con- Clock dispaly nected, the fuel gauge standard Press reset for 3sec.
  • Page 30 warning lamp “ ”blink. ⑫ RESET SWITCH Use this switch to adjust the The fuel tank capacity is 12.5 L. following : ■ In the Normal mode “E” Before the indicator Push it Adjustment last column fuel “ ” warning lamp blink, you Adjust brightness of the should add fuel to the fuel tank...

  • Page 31: Clutch Lever

    ■ “ ”：The head lamp low SWITCHES beam comes on. Set the dimmer switch “ ” when other vehicle is running in front or against. “PASS” SWITCH ③ Press the “PASS” switch to oper ate the head lamp high beam for ①...

  • Page 32: Right Handle Switches

    and indicator lamp go off. Use the hazard warning switch to Always use the turn signals warn other traffic during emergency when you intend to change parking or when your vehicle is in lanes or make a turn. Always traffic hazard. be sure to turn the turn signal switch to the “...
  • Page 33 ① STARTER SWITCH “ ” Use this switch to operate the starting motor. Do not attempt to start the en- With the ignition switch in the “ ” gine until the needle of the position, the engine stop switch speedometer completes a full in the “...

  • Page 34: Engine Stop Switch

    The motorcycle is equipped Apply the brake lightly and with the side stand ignition with great care on slippery interlock sys- tem. surfaces to avoid skidding. If the transmission is in neutral or the side stand up, ③ THROTTLE GRIP you can only start the engine Engine speed is controlled by by squeezing in the clutch...

  • Page 35: Rear Brake Pedal

    Do not operate the engine stop ABS (Anti-lock Brake System) switch into the “ ” position features a dual electronic control while driving at one’s pleasure. system, which acts on the front and rear brakes independently. Operate the brakes with ABS as REAR BRAKE PEDAL you would conventional brakes.

  • Page 36: Gear Shift Lever

    5 km/h (3 mph) or higher. During this test, a “clicking” noise can be heard from in- GV125S-EVO motorcycle adopts side the right decoration cov- 5-speed gear mesh transmission. er, and if the brake lever or...
  • Page 37 be automatically skipped. system. Reduce the motorcycle speed If the transmission is in neutral or before down-shifting. the side stand up, you can only start When down-shifting, the engine the engine by squeezing the clutch speed should be increased before lever.
  • Page 38 Unequal suspension adjust- ment can cause poor handling and loss of stability. Adjust the right and left shock absorber to the same settings. For ease of use, the vehicle is equipped with a USB interface To adjust the spring pre-load, on the right side of the instru- turn the adjuster clockwise or ment.

  • Page 39: Fuel And Oil And Antifreeze Recommendation

    FUEL AND OIL AND ANTIFREEZE RECOMMENDATION F U E L Use unleaded gasoline with an octane rating of 92 or higher. Unleaded gasoline can ex- To open the fuel tank cap, in- tend spark plug life and exhaust sert the ignition key into the components life.

  • Page 40: Engine Oil

    ⊙ ENGINE OIL SPECIFICATION Gasoline is extremely flam- Classifica- mable and toxic. tion sys- Grade Remarks Always observe the following Over SL precautions when refueling your motorcycle. 10W-40 ● Never permit motorcycle refueling by anyone other ※ If a SAE 10W-40 motor oil is not than an adult.
  • Page 41 ● Don’t mix the unrecom- The engine and the compo- nents of the exhaust system mended oil. become very hot and re- It could damage the en- main hot for some time after gine. the engine has been stopped. ● When refilling the oil, don’t Before handling these com- allow the dust to get in- ponents,...
  • Page 42 Be sure to use the engine oil Never operate the motorcycle specified in the FUEL AND OIL if the engine oil level is below RECOMMENDATION section. the “Lower line mark (L)” in the engine oil level lens. Never fill the engine oil above the “Upper line mark (F)”.
  • Page 43 Change the engine oil and fil- 1. Hold the motorcycle vertically ter, after first running 1,000 km using the center stand. and every running 4,000 km. The engine oil should always N O T E be changed when the engine is hot so that the engine oil will be Place the motorcycle on drained thoroughly from the...
  • Page 44 New and used oil can be haz- ● The engine oil tempera- ardous. ture may be high enough Children and pets may be to burn you when the harmed by swallowing new or drain plug is loosened. used oil. Wait until the drain plug is Continuous contact with used cool enough to touch with engine oil has been found to...
  • Page 45 The oil fine filter is located on the lower side of the front end Approximately 1,100 ml of the of the engine. No need cleaning engine oil must be required during the use of the vehicle. when changing the engine oil Please replace it if necessary.

  • Page 46: Antifreeze

    Install the engine oil filler ANTIFREEZE plug①. Start the engine and allow it idle for a few minutes. Check to see that no the engine oil is leaking from the engine oil filter This motorcycle engine is ②. and engine oil drain plug water cooling system.

  • Page 47: Water Tank

    WATER TANK a level ground with stand, take a container and put under the draining bolt③, then remove the bolt③, so antifreeze is outflow. The right side of the front end of the vehicle fuel tank is provided with a white makeup water tank 2.When drain completed, as- ①...
  • Page 48 2.The antifreeze is too little. Please add antifreeze to the The initial filling volume of specified liquid level; GV125S-EVO antifreeze 3.There is accumulated gas in about 1.02L, and the initial fill- cooling system. Please loosen ing volume of GV300S-EVO the exhaust bolts on the engine antifreeze is about 1.12L...

  • Page 49: Riding Tips

    RIDING TIPS Running the engine too long without riding may cause the engine to overheat. Overheating can result in dam- age to internal engine Before attempting to start components and discoloration the engine make sure : of exhaust pipes. Shut the engine off if you can 1.
  • Page 50 Push the starter switch to start the engine after the needle of the speedometer turn back to the rest ● Release starter position. switch immediately after The engine warning lamp “ ” motorcycle ① comes on when the ignition started. switch is set to “ON”...
  • Page 51 If the engine warning lamp ① Do not attempt to start the does not come on when the ignition switch is set to “ON” engine until the needle of the speedometer completes a full position with engine sweep and returns to the rest stopped or fail to go out after position otherwise the engine the engine start, contact an...

  • Page 52: Starting Off

    STARTING OFF Squeeze the clutch lever and pause momentarily. Engage first Sudden side winds, which gear by depressing the gearshift occur when being lever downward. passed by large vehicles, at Turn the throttle grip toward you tunnel exits or in hilly areas, and at the same time release the can upset your control.

  • Page 53: Using The Transmission

    Opening the throttle sud- Downshifting when engine denly can be hazardous. speed is too high can ; The front wheel can lift off the ground and cause loss of Cause the rear wheel to skid control of the motorcycle. and lose traction due to in- Always open the throttle creased engine braking, re- gradually when you acceler-...
  • Page 54 gear rapidly to prevent the mo- torcycle from losing momentum. When riding down a steep hill, Inexperienced riders tend the engine may be used for underutilize front braking by shifting to a lower brake. This can cause ex- gear. cessive stopping distance Be careful, however, not to allow and lead to a collision.
  • Page 55 Following another vehicle too closely can lead to a colli- sion. As vehicle speeds in- crease, stopping distance in- creases progressively. Be sure you have a safe stop- ping distance between you and the vehicle in front of you. 5. Park the motorcycle on a firm, flat surface where it will not fall over.

  • Page 56: Break-In

    BREAK-IN ★VARY THE ENGINE SPEED The engine speed should be varied and not held at a con- This section explains how import- stant speed. ant proper break-in is to achieve This allows the parts to be maximum life and performance “loaded”...

  • Page 57: Breaking In The New Tires

    ★BREAKING IN THE NEW During break-in procedures, all of the engine components will have TIRES worn in and all of the other parts New tires need proper break-in will have seated in. to assure maximum performance, All adjustments will be restored, just as the engine does.

  • Page 58: Inspection Before Riding

    INSPECTION BEFORE RIDING Failure to inspect the mo- Operating this motorcycle torcycle before operating it with improper tires, or with can be hazardous. improper uneven tire pressure can be hazardous. Failure to perform proper maintenance can also be If you use improper tires or hazardous.
  • Page 59 lowing items. Be sure your mo- tor- cycle is in good condition for the personal safety of the Operating this motorcycle rider and protection of the mo- with improper modifications torcycle. can be hazardous. Improper installation of ac- cessories or modification of this motorcycle may cause Checking maintenance...
  • Page 60 WHAT TO WHAT TO CHECK FOR : CHECK FOR : CHECK CHECK ● ● Smoothness No damage lever Gerashift ● ● No restriction of move- Smooth operation lever Steering ment ● Correct tension or slack ● Drive chain No play or looseness ●...

  • Page 61: Periodic Maintenance

    PERIODIC MAINTENANCE The chart indicates the inter- vals between periodic service in Improper maintenance kilometers. failure perform recom- At the end of each interval, be mended maintenance sure to inspect, check, lubricate creases the chance of an ac- and ser- vice as instructed. cident or motorcycle dam- If your motorcycle is used un- age.

  • Page 62: Lubrication Points

    ★ LUBRICATION POINTS Running the engine indoors Proper lubrication is important or in a garage can be haz- for smooth and long life of each ardous. working part of your motorcycle Exhaust gas contains car- and also for safe riding. bon monoxide, a gas that is It is a good practice to lubricate colorless and odorless and...
  • Page 63 ① Clutch lever holder & Clutch cable ⑤ Footrests pivot ② ⑥ Passenger footrests pivot Front brake lever holder ③ ⑦ Drive chain Throttle cable ④ ⑧ Side stand pivot and spring hook Rear brake pedal pivot – Motor oil, Grease - 63 -...
  • Page 64 ★ENGINE First Every Every 1,000 km 4,000 km 8,000 km Air cleaner element Clean every 3,000 km· Replace every 12,000 km Tighten ★ Inspect Valve clearance adjust ★ Tighten Cylinder head bolt Spark plug Clean Replace Inspect Fuel hose Replace every 4 years Engine oil Replace Engine oil filter...

  • Page 65: Inspection And Maintenance

    NAME INSPECTION AND Tool bag MAINTENANCE 8 × 10 mm open end spanner 10 × 12 mm open end TOOL spanner 14 × 17 mm open end spanner To assist you in the performance Spark plug wrench of periodic maintenance, a tool kit is Combination screw driver supplied.

  • Page 66: Fuel

    tle cable play. FUEL Check if there is leakage from the fuel tank, fuel pump, hoses and electric fuel injection system. Rubber part part ANTIFREEZE Check if there is leakage from the water tank, radiator cover, drain- ing bolt, exhaust bolt and hose connection.

  • Page 67: Battery

    BATTERY SUSPENSIONS ⊙ INSPECTION OF BATTERY SOLUTION LEVEL Periodically check for the follow- The battery is located under the ing: seat. MF (Maintenance Free) battery ● Keep the front brake lever pulled of airtight type is used for this in and push down on the handle- motorcycle.
  • Page 68 ⊕ battery wire first, then con- nect the negative ⊖ battery Never invert the battery ca- wire. bles. Ensure that the ignition switch is in position “OFF” before connecting or discon- necting the battery, otherwise some components might damage. ◉ CHECK AND CLEAN OF BATTERY TERMINAL Make sure to initialize ECU as...
  • Page 69 ⊕positive terminal of the bat- tery. ● 5. Connect the ⊖ negative bat- Keep the battery away from fires. tery wire at the battery terminal. ● 6. Install the battery support and When disconnecting seat. battery wire, be sure to re- move the ⊖...

  • Page 70: Air Cleaner

    AIR CLEANER Never operate the engine with- out the element in posi- The air cleaner is located inside tion. the right engine. Operating the engine without the air cleaner element will increase engine wear. Always be sure that the air cleaner element is in excellent opera- tional condition.
  • Page 71 ① When the air cleaner ele- Before and during the clean- ment clean with the air gun, ing operation, inspect the el- necessarily blow at the inside ement for tears. by com pressed air. ② A torn element must be re- Carefully examine the air placed.

  • Page 72: Spark Plug

    ◉ AIR CLEANER CHAMBER’S OIL DRAIN PLUG Before carrying following operations, let the Inspect the air cleaner cham- engine and the muffler cool ber’s oil drain plug and drain down to ambient tempera- water and oil at the periodic ture, in order to avoid burns. maintenance interval.

  • Page 73: Idling Adjustment

    5. Check the electrode gap with a thickness gauge. The gap must be 0.7 ~ 0.8 mm (0.028 ~ 0.032 The spark plug must be in) if necessary, adjust it. tightened firmly, otherwise the 6. Make sure that the washer is in engine may overheat and se- good condition.

  • Page 74: Throttle Cable Play Adjustment

    ● While fixing the adjuster ② , THROTTLE CABLE PLAY tighten the lock nut ①. ADJUSTMENT ● Check the gap again. ● Reinstall the sheath. The motorcycle has two throttle cable systems, cable is used for the throttle cable, and cable Inadequate throttle cable play is used for the return cable.

  • Page 75: Clutch Cable Adjustment

    ⑤ Clutch cable adjuster lock nut CLUTCH CABLE If you find the play of the clutch ADJUSTMENT lever incorrect, adjust it in the following way: ◉ CLUTCH CABLE PLAY AD- At each maintenance interval, JUSTMENT adjust the clutch cable play by ●...

  • Page 76: Drive Chain

    lem if you know how. If necessary, consult your au- DRIVE CHAIN thorized dealer. The chain may require more frequent adjustment that it is with Damage to the drive chain periodic maintenance depending means that the sprockets may upon your riding conditions. also be dam- aged.
  • Page 77 turning the nut ③ on the left and right chain adjuster The two sprockets should be clockwise or counterclock- inspected for wear when a new wise. chain is installed and replace Make the marks ④ on them if necessary. the left and right sides on the same scale line, so as to ensure the one-line ◉...
  • Page 78 The drive chain for this mo- tor- cycle is made of the spe- This drive chain has special cial material. “O”-rings. GV125S-EVO should be re- Clean and oil the chain peri- placed with 428HO chain, and odically, as follows: GV300S-EVO should be re- placed with 520X chain.
  • Page 79 Cleaning the chain with gaso- line or commercial cleaning solvents can damage “O”-rings and ruin the chain. Clean the drive chain with kerosene only. 2. After thoroughly washing the chain and allowing it to dry, oil the links with a chain lube or an equivalent.

  • Page 80: Brakes

    BRAKES Operating the motorcycle in harsh condition can be The motorcycle utilizes front and hazardous rear disk brakes. inspect brake wear often. Properly operating the brake Operating in mud, water, systems are vital to safe riding. Be sand, other extreme sure perform brake...
  • Page 81 brake pressure. The adjustment process will cause the front brake lever and the rear brake pedal to In order to ensure the normal jump slightly. operation of the ABS system, The ignition switch is in the "on" please make position, and the motorcycle runs unnecessary modifications to to a speed of 5 km/h (3 mph) for the vehicle, such as changing...

  • Page 82: Brake Fluid

    ◉ BRAKE FLUID This motorcycle uses Be sure to check the brake fluid glycol-based brake fluid. level in the master cylinder. If the Do not use or mix different level was found to be lower than the types of brake fluid, otherwise lower mark holding the motorcycle serious damage will result in upright, inspect the brake pad’s...
  • Page 83 replaced with a new one by your authorized dealer or qualified The front and rear brake service mechanic. system requires the brake hose or the brake fluid to be replaced The rate at which brake pads according periodic will wear depends inspection chart...
  • Page 84 dust to get inside of it. 3. Loosen the screws and open the cap. Replacing only one of the two 4. Replenish with brake fluid to brake pads can be hazardous. the upper line. Replacing only one brake pads can result in uneven N O T E braking action.

  • Page 85: Tire

    ◉ REAR BRAKE FLUID TIRE SUPPLY Inspect the tire pressure and the 1. Place the motorcycle on a tire thread depth periodically. level surface and keep the Inspect frequently the tire pressure handlebars straight. for the safety and the tire life. 2.
  • Page 86 ◉ TIRE PRESSURE Insufficient air pressure in the tires not only hasten tire wear but also seriously affects the stability of the motorcycle. Under-inflated tires make smooth cornering difficult and over-inflated tires decrease the amount of tire in OVER NORMAL SHORT contact with the ground which can lead to skids and loss of control.
  • Page 87 ◉ ◉ TIRE TREAD CONDITION CRACKS AND CUTS Check if Tire wear 1) There are visible cracks and cuts. 2) There are abnormal wears. SCREW, Operating the motorcycle with FOREIGN excessively worn tire will MATERIAL decrease riding stability and can lead to loss of control. Inspect storage of tire thread’s 『...
  • Page 88 Loosen the front axle pinch ◉ REAR AXLE NUT bolt③. Inspect the rear axle shaft and Loosen the front axle shaft jointing nut for loosening. ④. Place carefully a jack or ◉ TIRE REPLACEMENT block under the engine and  FRONT TIRE raise until the front wheel is REPLACEMENT...
  • Page 89  REAR TIRE Loosen the rear axle nut. REPLACEMENT Place the motorcycle on the center stand. Remove the chain case ② by loosening the two bolts ①. A hot muffler can burn you. Place a jack or block under The muffler will be hot the swing arm to lift the rear enough to burn you for some wheel slightly off the ground.

  • Page 90: Bulbs

    ◉ INSPECTION OF LAMPS BULBS ● Check if the position lamp, meter lamp, tail lamp license plate lamp work well when the ignition switch was Keep fuel other turned to the “ ” position. flammable substances away Check if the head lamp work from electric components.

  • Page 91: Replacement Of The Lamp

    ◉ ◉ REPLACEMENT OF THE REPLACE THE BULB LAMP Requirement electric power of All the lamp is LED (Light the lamp shown in the following Emitting Diode) type. chart. When replace If any abnormal conditions damaged lamp, always use the appear, replace the assembly.

  • Page 92: Abs Fuse Box

     ABS FUSE BOX If any electrical system fails to work, then the fuses must be checked. ● 30A REC. / REG. / IGN fuse protects the rectifier / regulator and ignition switch circuits. ● 20A ECU / M.RELAY fuse protects all electrical circuits including the ECU.
  • Page 93 Installing a fuse of incorrect rating or using aluminum foil or wire instead of a fuse may seriously damage the electrical system. Always replace a blown fuse with a fuse of the same type and rating. If the new fuse blows in a short time, consult your dealer or a qualified mechanic immediately.

  • Page 94: Troubleshooting

    TROUBLESHOOTING This troubleshooting guide is provided to help you find the cause some common complaints. Put the engine stop switch in Failure to troubleshoot problem correctly can damage the “ ” position and the ignition your motorcycle. switch in the “ON” position. Holding the spark plug base firmly Improper repairs...

  • Page 95: Engine Stalling

    spark plug. the vehicle immediately, there will be “click” of disconnection in oil Replace it if necessary. Retry the ab o v e p r o c e d u r e wit h t he pump relay. If there is no above cleaned spark plug or new one.

  • Page 96: Transport

    ● Place the motorcycle on the stand on firm and level TRANSPORT ground. ● Stop the engine and wait until it has cooled down. ● Prepare a container large enough to hold the fuel in the tank and place it on the floor Before transporting left...

  • Page 97: Cleaning Procedure

    CLEANING PROCEDURE A thorough cleaning of your motor- cycle is a necessary part of High pressure washers can maintenance will help dam- age your motorcycle keep your motorcycle looking (especially the radiator). and performing its best. Proper High pressure washers such cleaning can also extend the life those found...
  • Page 98 painted surfaces. N O T E Rinse the motorcycle thoroughly with clean water. Avoid spraying or allowing Dry all areas using a chamois or water to flow over the follow- soft absorbent cloth. ing places : ● Ignition switch ★WAXING THE ●...
  • Page 99 Operating motorcycle with brakes hazardous. Wet brakes may not provide as much stopping power as dry brakes. This could lead accident. Test your brakes after washing motorcycle, riding at slow speed. If necessary, apply brakes sever- al times to let friction dry out the pads.

  • Page 100: Storage Procedure

    ★BATTERY STORAGE Remove the battery from PROCEDURE the motorcycle. N O T E If you don’t plan on using your motorcycle for a long time, it will ⊖ Be sure to remove the need special servicing requiring negative terminal first, then appropriate materials, equipment ⊕...

  • Page 101: Maintenance During Storage

    Perform the INSPECTION ★MAINTENANCE BEFORE RIDING as listed in this manual. DURING STORAGE Once a month, recharge the bat- tery. The motorcycle battery standard charging time is 1.2 A ×5～8hours. ★PROCEDURE FOR RETURNING TO SERVICE Clean the entire motorcycle. Drain the engine oil, and replace the engine oil filter &...

  • Page 102: Parameter List

    Parameter List（GV125S-EVO） Model GV125S-EVO Dimensional parameters Overall dimension (L ×W ×H) mm 2080×750×1050 Wheelbase mm 1425 Minimum ground clearance mm Turning clearance circle diameter mm 6120 Castor angle（° ） ≤38 Steering handlebar turning angle (° ) (left / right) Mass/volume Overall mass kg Max.
  • Page 103 5th gear 0.91 Vehicle type Wheel rim type Light alloy Tire size Front 120/80-16 Rear 150/80-15 Tire pressure kPa (front/ rear) 200/200 Brake type Front Disk Rear Disk Brake control mode (front/ rear) Hand brake/foot brake Shock absorber type Front Spring oil damping Rear Spring oil damping...
  • Page 104 Parameter List（GV300S-EVO） Model GV300S-EVO Dimensional parameters Overall dimension (L ×W ×H) mm 2080×750×1050 Wheelbase mm 1425 Minimum ground clearance mm Turning clearance circle diameter mm 6120 Castor angle（° ） ≤38 Steering handlebar turning angle (° ) (left / right) Mass/volume Overall mass kg Max.
  • Page 105 5th gear 0.875 6th gear 0.800 Vehicle type Wheel rim type Light alloy Tire size Front 120/80-16 Rear 150/80-15 Tire pressure kPa (front/ rear) 225/280 Brake type Front Disk Rear Disk Brake control mode (front/ rear) Hand brake/foot brake Shock absorber type Front Spring oil damping Rear...

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Gv300s-evo

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