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saturated, and then squeeze out the excess oil. 

in 

reverse order of removal. 

CAUTION 
I t  is 

to s t a r t  

engine without a i r  cleaner installed, o r  pre- 

mature 

of 

piston and cylinder may produce. 

CHECK LEAKS ALONG AIR SUPPLY LINE 

leaks regularly  along air supply line, and  repair or replace 

parts once there are some defects to assure a normal air supply. 

THROTTLE 

(Fig. 18) 

for smooth rotation of the 

grip from 

the fully open to the fully closed  position at both 
full steering positions. 

the throttle grip free play at the throttle 

Fig. 

between the two limit positions to help mix air and fuel. 

the engine again; 

the 

stop screw if 

CAUTION 
Since the carburetor is a precision  apparatus, don't  disassemble it 
out the professional  knowledge. 

OF CLUTCH (Fig. 20) 

Measure 

clutch lever 

play at the 

lever 

flange. The free play should be 

.To 

turn loose the lock nut at the 

lower end of the clutch cable and 

out o r  in the 

adjusting bolt. 

Fig.20 

the adjustment, start 

engine and make sure 

the clutch works well, or readjust  the free play. 

grip flange. 

DRIVE CHAIN (Fig. 21) 

The standard free play should be approx. 

The service life o f  the drive chain is dependent upon 

To adjust the free play,  loosen the lock nut and 

the adjuster. 

proper lubrication and adjustment.  Poor maintenance 

SPEED (Fig. 19) 

can cause premature wear or damage to the drive chain 

The engine must be at normal operating 

for accurate idle speed 

and sprockets. 

adjustment. 

The drive chain should be checked and lubricated as 

NOTE 

part o f  the Pre-ride inspection.  Under severe usage, 

Do not 

compensate for faults in other systems by adjusting 

Fig.2 

i d l e  speed.  S e e   y o u r   d e a l e r  f o r   r e g u l a r l y  s c h e d u l e d   c a r b n r e t o r  

or 

areas, more 

maintenance will be 

Rear axle 

adjustments. 

Chain specification: 

Lock nut 

up 

engine, 

into  neutral and 

Inspection 

Adjusting bolt 

motorcycle on it side stand. 

the engine, place the 

on its side stand, and shift the trans- 

idle speed 

the  throttle stop screw to set 

mission 

neutral. 

idle speed  at about 

slack in the lower drive chain 

midway betwcen  the sprockets. 

Turn the throttle slop screw clockwise will increase 

Drive chain slack should be adjusted  to keep a vertical movement of 

speed while will decrease it turning counterclockwise. 

engine has no  idle speed  or runs at a 

rear wheel and then stop. Check the drive chain slack. Repeat 

speed, 

the throttle stop screw in the middle 

this proccdurc several times. Drive chain slack should  remain constant. If 

Summary of Contents for 125GY-3A

Page 1: ......

Page 2: ......

Page 3: ...code in the motorcycle which you have bought and they are helpful for you to get thc motorcycle a registration plate and for future inquiry POR FANT NOTICE Operator and passenger This motorcycle 1s de...

Page 4: ...8 Brealung n 8 Riding 8 Parking 9 MAINTENANCE 9 Maintenance Schedule 9 Tool Kit 10 Check and Change of Lubricating Oil 10 Spark Plug 11 Clear away Deposit Carbon 11 Air Cleaner 11 Check Leaks along A...

Page 5: ...Obey the speed hmits and NFVER travel faster than cond t ons warrant Signal before you make a turn or lane change to draw other motorists attention 5 Don1tlet other motorists surprise you Use extra c...

Page 6: ...ping bag or tent to the handlebars fork or fender Unstable handling or slow steering response may produce Accessories Genurne accessories of the company have been specifically designed and testedon th...

Page 7: ...Fuel tank Ornament cover of fuel tank Seat S d e cover LH Rear carrier 60Ta lhght Rear wlnker Battery Rear wheel Chaincase feS d e stand Gearshift pedal Carburetor Exhaust muffler 69Front shock absorb...

Page 8: ...side of the instruments It is of a 2 position key operated type and functions as follows Fig 7 j OFF Engine and lights cannot be operated and the key can be removed ON Engine and lights can be operat...

Page 9: ...kin or breathing of vapor KEEP OUT OF REACH O F CHILDREN FUEL COCK Fig 11 The fuel cock has three positions O F F With the fuel cock in OFF position fuel cannot flow from the tank to the carburetor Tu...

Page 10: ...r change of damaged tyres or punctured inner tubes AWARNING Do not attempt to patch a damaged tyre or inner tube Wheel balance and tyre reliability may be impaired Improper tyre inflation will cause a...

Page 11: ...ebound Never operate the BREAKING IN Help assure your motorcycle s future reliability and perfolmance by paying extra attention to how you ride during the first 1000km During this period avoid full th...

Page 12: ...ectiveness PARKING i 1 Close the throttle and pull in the clutch lever to disengage the clutch while 2 After stopping the motorcycle shift the transmission into neutral turn the ignition switch OFF to...

Page 13: ...and lower level marks on the dipstick 1 Startthe engine and let it idle for a few minutes aUpper level mark 2 Stop the engine and put the motorcycle on a level Lower level mark ground TOOL KIT Fig 14...

Page 14: ...ug gap using a wire type feeler gauge If adjustment is necessary bend the side electrode carefully The spark plug gap should be 0 6 0 8mm Make sure the plug washer IS In good condition 5 With the plug...

Page 15: ...dependent upon i To adjust the free play loosen the lock nut and h r n the adjuster proper lubrication and adjustment Poor maintenance l b SPEED Fig 19 can cause premature wearor damage to thedrive c...

Page 16: ...hain clip 2 Clean the drive chain in high flash point solvent and allow it to dry In spect the drive chain for possible wear or damage Replace any chain that 3 Inspectthesprocket teeth for possiblewea...

Page 17: ...e brake fluid tank is horizontal before the cap is removed or brake fluid may spill out Use only specified brake fluid from a sealed container Never allow contaminants such as dirt or water to enter t...

Page 18: ...28 the nut in the direction of the arrowhead B The vehicle is equipped with a fuse rated 15A It will Adjusting nut BATTERY Fig 27 blow to protect the circuit in the case of troubles such as a short ci...

Page 19: ...ick pedal several times to scatter evenly the oil inside the cylinder and then rein stall the spark plug W R N I N G Gasoline is extremely flammable and is explosive under certain conditions Perform t...

Page 20: ...bility Dry weight kg CAPACITIES Engine oil box L Fuel tank L Passenger capacity Maximum weight capacity kg ENGINE Model Type Cornpression ratio Displacement ml Max power output kwlrlmin Max torque N d...

Page 21: ...SMISSION Clutch type Primary reduction Gear ratio 1st 2nd 3rd 4th 5th 6th Final reduction ELECTRlCAL EQUIPMENT Battery Magneto Fuse Horn Headlight Turn signal light Taillbrake light Instrument light 2...

Page 22: ...ELECTRIC DIAGRAM...

Page 23: ...200GY 2 Engine Model 162FMJ 163FML 2F5 Bore X Stroke 62 X 49 5mm 63 5 X 62 2mm Displacement 149 4ml 197ml Max Power 10Kwl9500rlmin 12Kwl8000rlmin Max Torque 11N ml7500rlmin 14 5N ml6500rlmin Top Spee...

Page 24: ...MOTOR LE 5GY 3A I NER S NUAL April 2003...

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