Periodic Maintenance Chart For The Emission Control System - Yamaha VMAX VMX12S Owner's Manual

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
* Since these items require special tools, data and technical skills, have a Yamaha dealer perform the service.
ROUTINE
• Check fuel hose 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.
INITIAL
600 mi 4000 mi 8000 mi
(1000 km) (7000 km) (13000 km)
or or or
1 month 6 months 12 months
√
√
Replace.
Every 26600 mi (42000 km)
√
√ √
√ √
√
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.
√
√
√
√
√