Yamaha YFM80T, Owner'S Manual

Page: 243 / 343

8-7
EBU02621
PERIODIC MAINTENANCE/LUBRICATION
NOTE:
8
For ATVs not equipped with an odometer or an hour meter, follow the month maintenance intervals.
8
For ATVs equipped with an odometer or an hour meter, follow the km (mi) or hours maintenance intervals. However, keep in mind
that if the ATV isn’t used for a long period of time, the month maintenance intervals should be followed.
INITIAL EVERY
month 1 3 6 6 12
ITEM ROUTINE
Whichever
km 320 1200 2400 2400 4800
comes first
(mi) (200) (750) (1500) (1500) (3000)
hours 20 75 150 150 300
Valves*
9
Check valve clearance.
9
Adjust if necessary.
2 2 2 2
Cam chain*
9
Check chain tension.
9
Adjust if necessary.
2 2 2 2
9
Check condition.
Spark plug
9
Adjust gap and clean.
2 2 2 2 2
9
Replace if necessary.
Air filter element
9
Clean. Every 20–40 hours.
9
Replace if necessary. (more often in wet or dusty areas)
Carburetor*
9
Check idle speed/choke lever operation.
2 2 2 2
9
Adjust if necessary.
Crankcase breather
9
Check breather hose for cracks or damage.
system*
9
Replace if necessary.
2 2 2
9
Check for leakage.
Exhaust system*
9
Tighten if necessary.
2 2 2
9
Replace gasket if necessary.
Fuel line*
9
Check fuel hose for cracks or damage.
2 2 2
9
Replace if necessary.
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