8-7
EBU00262
PERIODIC MAINTENANCE/LUBRICATION
INITIAL EVERY
ITEM ROUTINE 1 3 6 6 1
month months months months year
Transmission9Replace oil.2 222
9Check condition.
Spark plug9Adjust gap and clean.22222
9Replace if necessary.
Air filter9Clean. Every 20 ~ 40 hours.
9Replace if necessary. (More often in wet or dusty areas)
* Carburetor9Check idle speed / starter operation.
2222
9Adjust if necessary.
* Crankcase breather9Check breather hose for cracks or damage.
222
system9Replace if necessary.
9Check for leakage.
* Exhaust system9Retighten if necessary.222
9Replace gasket if necessary.
* Fuel line9Check fuel hose for cracks or damage.
222
9Replace if necessary.
Throttle operation9Inspect and adjust free play if necessary.22222
Front brake operaion9Inspect and adjust free play if necessary.22222
* Front brake shoes9Check wear limit.
22
9Replace if necessary.
* Rear brake pads9Check pad wear.
222
9Replace if necessary.
* Clutch9Inspect free play and operation.
2 222
9Replace if necessary.
5KJ-62 (8 shou) 4/23/01 3:08 PM Page 8
8-87
EBU00440
Troubleshooting chart
Check fuel flow
1. Fuel
Check if there is
fuel in the fuel
tank
2. Compression
Kick the kick lever to
see if there is
compression
3. Ignition
Remove plug and
check electrode
WetWipe clean with
dry cloth
DryAttach plug cap and
ground to chassisKick the kick
starter stronglySpark weak
Spark goodIgnition system normal
No spark
Ask a Yamaha dealer to inspect
Adjust plug gap or
replace plug
There is compressonCompression normal
Ask a Yamaha dealer to inspectNo compression
There is fuelTurn the fuel
cock to “OFF”
Remove the
fuel pipe
Water or dirt
mixed in fuel
No fuel
Fuel cock clogged
Some fuelTurn the fuel
cock to “RES”Restart engine
No fuelSupply fuel
Clean filter element
and fuel tank
Turn the fuel
cock to “ON”
Clean the fuel cock
5KJ-62 (8 shou) 4/23/01 3:08 PM Page 88
