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maintenance and minor repairs. How-
ever, additional tools such as a torque
wrench may be necessary to perform 
certain maintenance work correctly. 

CAUTION

If you do not have the tools or experi-

ence required for a particular job, have 

a dealer perform it for you. 

!

WARNING

Modifications  not  approved  by  maker 

may cause loss of performance, exces-
sive emissions, and render the vehicle 
unsafe for use. Consult a dealer before 
attempting any changes. 

Modifications  without  authorization  of 

the manufacturer cause void the war-
ranty.

SPARK PLUG

The spark plug is an important engine 
component, which is easy to check. 
Since heat and deposits will cause any 
spark plug to slowly erode, the spark 

plug should be removed and checked 
in accordance with the periodic main-
tenance and lubrication chart. In additi-
on, the condition of the spark plug can 
reveal the condition of the engine.

The spark plug (1) is on the front of the 

vehicle.

1

Remove the spark plug
1. Remove the spark plug cap 
2. Remove the spark plug, with the 

spark plug wrench included in the 
owner’s tool kit.

3. Check that the porcelain insulator 

(2)  around  the  center  electrode  of 

the spark plug is a medium-to-light 

CAUTION

Most of the Safety and condition of ve-
hicle depend on how you do the correct 
maintenance , periodic inspection,

adjustment  and  lubrication.  The  fol

-

lowing are contents that help the ope-
rator to do such skills on the following 
pages.

!

WARNING

Maintenance, replacement, or repair of 
the emission control devices and sys-
tems may be performed by any repair 

shop or individual that is certified and 

must follow the local law regulations.

If you are not familiar with maintenance 
work, have a dealer do it for you. 

OWNER’S TOOL KIT

The service information included in this 
manual and the tools provided in the 
owner’s tool kit are intended to assist 
you in the performance of preventive 

PERIODIC MAINTENANCE AND MINOR REPAIR

25

Summary of Contents for GRS 125

Page 1: ...mod USER MANUAL U 14 ENG...

Page 2: ...d peronality represents your outstanding taste and favor to pursue the state of the art living attitude This manual describes the correct usage of this motorcycle including safety riding simple inspec...

Page 3: ...ost of the vehicle information however the maker will continually imrprove it s product design and quality that lead to difference between the manual and vehicle If you have any questions concerning t...

Page 4: ...3 IMPORTANT MANUAL INFORMATION Dealer label here...

Page 5: ...iding 21 Acceleration and deceleration 22 Braking 22 Stop the Engine 22 Parking 22 Engine break in 23 PERIODIC MAINTENANCE AND MINOR REPAIR 25 Owner s tool kit 25 Spark plug 25 Engine oil 27 Petrol fi...

Page 6: ...rear to public will be very effective in reducing the change of this kind of accidents Therefore Wear a brightly colored and protecti ve clothes Jacket Operate the turning signals before turning and s...

Page 7: ...operation They become very hot and can cause burns Always wear protective clothing that covers your legs ank les and feet Modifications Modifications made to this vehicle that not approved by maker o...

Page 8: ...Do not smoke or use Mobile pho ne while re fueling Never start the engine or let it run for any length of time in a closed area The exhaust fumes are poisonous and may cause loss of conscious ness an...

Page 9: ...SAFETY INFORMATION 8 LOCATION OF LABEL 1 Label anti tampering 1 Symbol image...

Page 10: ...Front wheel 2 Front disc brake 3 Headlight 4 Front turn signal light 5 Fuel tank cap 6 Air filter 7 Side stand 8 Pedal 9 Seat 10 Rear wheel 11 Tail light brake light 12 Rear turn signal light 13 Lice...

Page 11: ...DESCRIPTION OF THE VEHICLE 10 SIDE VIEW RIGHT 14 Rear disc brake 15 Muffler 16 Battery 17 Main stand 18 Engine oil cap 19 Spark plug 17 15 14 16 19 18...

Page 12: ...THE VEHICLE 11 CONTROLS AND INSTRUMENTS 20 Left handlebar switches 21 Clutch lever 22 Clutch pedal 23 Dashboard unit 24 Brake lever 25 Throttle grip 26 Brake pedal 27 Right handlebar switches 21 22 24...

Page 13: ...the left 2 Push the key in and turn it to the position while still pushing it 3 Remove the key Unlock the steering Push the key in and then turn it to position while still pushing it WARNING Never tur...

Page 14: ...ral N is se lected Turn signal indicator lamp left The relevant indicator lamp flashes whenever you switch the turn signal switch to the left Rev counter Displays the engine speed in RPM Turn signal i...

Page 15: ...nd start of the vehic le while the engine is cold CAUTION Do not forget to give back the choke lever to the starting position after the engine is warmed up High Low bean switch Set this switch tof for...

Page 16: ...speed manual transmission INSTRUMENT AND CONTROL FUNCTIONS Warning light switch By changing the switch position you can switch on or off the warning light BRAKE LEVER The brake lever is for the front...

Page 17: ...ean dry soft cloth since fuel may damage the painted surfaces or plastic parts FUEL TANK CAP The fuel tank cap 1 is located on the upper side of the vehicle 1 Open the fuel tank cap 1 Fold up the lock...

Page 18: ...rd or other damages Use only unleaded gasoline The use of leaded gasoline will cause unrepairable damage to the catalytic converter Never park the vehicle near possible fire hazards such as grass or o...

Page 19: ...SIDE STAND 1 The side stand 1 is located on the left side of the Vehicle Release the side stand by using your feet to step on the bracket of side stand to up right positi on to stand the vehicle CAUT...

Page 20: ...points before each ride CAUTION Pre operation checks should be made each time the vehicle is used Such an inspection can be accomplished in a very short time and the added safety it assures is more t...

Page 21: ...hydraulic system Check brake pads for wear Replace if necessary Check fluid level in reservoir If necessary add recommended brake fluid to specified level Check hydraulic system for leakage Throttle...

Page 22: ...s should be as short as possible in order to save bat tery and the starter STARTING OFF 1 Pull the clutch lever 2 Shift the engine to the first gear 3 Slowly release the clutch lever and open the thro...

Page 23: ...ON Before starting off allow the engine to warm up otherwise the spark plug and engine can be damaged early PARKING 1 Reduce the throttle to 0 position 2 Pull the clutch lever 3 Switch the gear to N n...

Page 24: ...Lower the side stand with your foot while holding the motorcycle up right Remove the key from the main switch WARNING Since the engine and exhaust system can become very hot park in a place where ped...

Page 25: ...ng for 1st gear or overcharge In long stretches do not use full speed consistently and varies the speed repeatedly When facing steep slopes downs hift to have better power After a long run do not stop...

Page 26: ...e condition of the engine The spark plug 1 is on the front of the vehicle 1 Remove the spark plug 1 Remove the spark plug cap 2 Remove the spark plug with the spark plug wrench included in the owner s...

Page 27: ...CAUTION If the spark plug shows a distinctly dif ferent color the engine could be opera ting improperly Do not attempt to diag nose such problems yourself Instead have a dealer check the vehicle 4 Ch...

Page 28: ...off and wait one minute Position the vehicle on its centre stand and check the oil level at the sight glass illustrated above The oil level must be between the MAX 1 and MIN 2 marks In dusty cold or...

Page 29: ...ortant part of the engine and its emission control sys tem which requires very sophisticated adjustment Therefore carburetor ad justments should be left to dealer who has the necessary professional kn...

Page 30: ...cable free play 1 should measure 1 5 3 5 mm at the thrott le grip Periodically check the throttle cable free play and if necessary have a dealer adjust it Throttle cable free play adjustment 1 Releas...

Page 31: ...m side to side It will keep you to have good steering after load Maximum load 150 kg Total weight of rider passenger cargo and accessories 30 Tire air pressure The tire air pressure should be che cked...

Page 32: ...17x2 5 Tire 100 80 17 Rear Rim 17x3 0 Tire 130 70 17 TYRE TYPE tubeless RIMS To maximize the performance durabili ty and safe operation of your motorcyc le note the following points regarding the spe...

Page 33: ...y have a dealer inspect the brake sys tem WARNING A soft or spongy feeling in the brake padel can indicate the presence of air in the hydraulic system If there is air in the hydraulic system have a de...

Page 34: ...dicate worn brake pads and or brake system leakage If the brake fluid le vel is low be sure to check the brake pads for wear and the brake system for leakage When checking the flu id level make sure...

Page 35: ...ABLE The operation of the throttle grip should be checked before each ride In addi tion the cable should be lubricated at the intervals specified in the periodic maintenance chart LUBRICATING THE BRAK...

Page 36: ...left side of the tire to set the correct free play The drive chain free play should be between 10 mm and 20 mm 4 Tighten the collar nut 1 follows at the intervals specified in the periodic maintenanc...

Page 37: ...can be adjusted to suit the weight of the driver and the load 36 WARNING Do not remove the battery vent seal this can be dangerous the battery permanently damaged Battery acid is poisonous and dan ger...

Page 38: ...not be used for more than one month remove the battery fully charge it and then place it in a cool dry place If the battery will be stored for more than two months check it at least once a month and f...

Page 39: ...our dealer to replace it 1 1 3 2 This model has furthermore a position light 3 If the position light defective please contact your dealer Rear turn signal light If the turn signal light bulb 1 does no...

Page 40: ...the license plate light 1 do not glow disassemble the bolts for changing the bulb Taillight Brake light lamp 1 If the tail brake light 1 do not glow please contact your dealer to replace it PERIODIC M...

Page 41: ...ng troubleshooting chart represents a quick and easy procedure for checking these vital systems yourself However should your vehicle require any repair take it to a dealer whose skilled technicians ha...

Page 42: ...compression There is no compression Check the compression Supply fuel The engine does not start Check the compression Check the ignition Have a dealer check the vehicle Wet Dry Wipe off with a dry clo...

Page 43: ...me in side Please do it only after the 2 Closed every caps covers electri cal connectors that are well install and water can be avoid to get into while you do the clean job CAUTION Do not use acid bas...

Page 44: ...radation Follow the steps below to cylinders piston rings etc to prevent rusting Remove spark plug cap and the spark plug Give a teaspoon of engine oil into the spark plug hole Join the Kickstarter to...

Page 45: ...trol Power 1 Racing 4T AIR FILTER Paper element FUEL Unleaded gasoline only 95 Oct Capacity 17 0 5 l CAUTION BIOETHANOL FUEL E10 IS NOT PERMITTED DIMENSIONS CARBURETOR Manufacturer EXACT SPARK PLUG Ma...

Page 46: ...epends on the load FRONT BRAKE Type Single Hydraulic disc brake 260 mm Operation Right hand REAR BRAKE Type Single Hydraulic disc brake 240 mm Operation Right foot RECOMMENDED FLUID DOT 4 CASTROL Supe...

Page 47: ...rder replacement parts from your dealer or the vehicle should be stolen The vehicle identification number of the vehicle 1 is stamped on the steering head 1 CAUTION The vehicle identification number i...

Page 48: ...damaged part in an authorized workshop after our approval Compensation for remote or instantaneous damages cannot be granted Vehicles in desolate condition will not be covered by warranty Repair works...

Page 49: ...12 month 10 000 km or 18 month 13 000 km or 24 month PART TO DO Air filter Clean exchange exchange Wheels rims Control Tires Control tire pressure Wheel bearing Control exchange Steering bearing Contr...

Page 50: ...km or 1 month Stamp Signature 4000 km or 6 month Stamp Signature 7000 km or 12 month Stamp Signature 10000 km or 18 month Stamp Signature 13000 km or 24 month Stamp Signature 16000 km Stamp Signature...

Page 51: ...switch High Lower ea switch green white green black brown orange yellow red red white blue black light blue Color agneto gnition coi l park plug CD License plate light green Left turn signal light LE...

Page 52: ...SPACE FOR NOTES 51...

Page 53: ......

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