Periodic Maintenance/Lubrication - Yamaha YFM660R Owner's Manual

EBU02621
NOTE:
_
G
For ATVs not equipped with an odometer or an hour meter, follow the month maintenance intervals.
G
For ATVs equipped with an odometer or an hour meter, follow the km (mi) or hours maintenance in-
tervals. However, keep in mind that if the ATV isn't used for a long period of time, the month mainte-
nance intervals should be followed.
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ITEM
Valves*
Cooling system
Spark plug
Air filter element
Carburetor*
Crankcase breather
system*
Exhaust system*
Fuel line*

PERIODIC MAINTENANCE/LUBRICATION

ROUTINE
• Check valve clearance.
• Adjust if necessary.
• Check coolant leakage.
• Repair if necessary.
• Replace coolant every 24 months.
• Check condition.
• Adjust gap and clean.
• Replace if necessary.
• Clean.
• Replace if necessary.
• Check starter (choke) operation.
• Adjust engine idling speed.
• Check breather hose for cracks or damage.
• Replace if necessary.
• Check for leakage.
• Tighten if necessary.
• Replace gasket if necessary.
• Check fuel hose for cracks or damage.
• Replace if necessary.
month 1
Whichever
comes first
km 320
(mi) (200)
hours 20
8-7
INITIAL EVERY
3 6 6
1,200 2,400 2,400
(750) (1,500) (1,500)
75 150 150
Every 20–40 hours
(More often in wet or dusty areas.)
12
4,800
(3,000)
300