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PERIODIC MAINTENANCE AND MINOR REPAIR
Periodic maintenance chart for the emission control system
No.
ITEM
1 * Fuel line
2 * Fuel filter
3
Spark plugs
4 * Valve clearance
6
Crankcase breather
5 *
system
Carburetor synchro-
6 *
nization
7 * Idle speed
8 * Exhaust system
Evaporative emis-
9 *
sion control system
(For California only)
* Since these items require special tools, data and technical skills, have a Yamaha dealer perform the service.
ROUTINE
• Check fuel hoses for cracks or
damage.
• Replace if necessary.
• Replace.
• Check condition.
• Adjust gap and clean.
• Replace every 8000 mi (13000
km) or 12 months.
• Check and adjust valve clearance
when engine is cold.
• Check breather hose for cracks or
damage.
• Replace if necessary.
• Adjust synchronization of carbu-
retors.
• Check and adjust engine idle
speed.
• Check for leakage.
• Tighten if necessary.
• Replace gasket(s) if necessary.
• Check control system for dam-
age.
• Replace if necessary.
INITIAL
600 mi
4000 mi
8000 mi
(1000 km)
(7000 km)
(13000 km)
or
or
or
1 month
6 months
12 months
√
√
Replace.
√
√
√
√
√
√
√
6-3
ODOMETER READINGS
12000 mi
16000 mi
(19000 km)
(25000 km)
or
or
18 months
24 months
√
√
√
√
Replace.
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
EAU17600
20000 mi
(31000 km)
or
30 months
√
Replace.
√
√
√
√
√
√
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Troubleshooting
