Yamaha Grizzly YFM66FAV, Owner'S Manual

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8-3
EBU15731
Periodic maintenance chart for the emission control system
NOTE:
_
●
For ATVs not equipped with an odometer or an hour meter, follow the month maintenance intervals.
●
For ATVs equipped with an odometer or an hour meter, follow the km (mi) or hours maintenance intervals. How-
ever, keep in mind that if the ATV isn’t used for a long period of time, the month maintenance intervals should be
followed.
●
Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and
technical skills.
_
ITEM ROUTINE
Whichever
comes first
INITIAL EVERY
month 1 3 6 6 12
km
(mi)
320
(200)
1,300
(800)
2,500
(1,600)
2,500
(1,600)
5,000
(3,200)
hours 20 80 160 160 320
Fuel line*
• Check fuel hose for cracks or damage.
• Replace if necessary.
Valves*
• Check valve clearance.
• Adjust if necessary.
Spark plug
• Check condition.
• Adjust gap and clean.
• Replace if necessary.
Carburetor*
• Check starter (choke) operation.
• Adjust engine idling speed.
Crankcase breather
system* • Check breather hose for cracks or damage.
• Replace if necessary.
Exhaust system*
• Check for leakage.
• Tighten if necessary.
• Replace gasket(s) if necessary.
Spark arrester • Clean.
EE.book Page 3 Thursday, March 31, 2005 6:57 PM