Yamaha BRUIN YFM35FAV, Owner'S Manual, Page: 256 / 402

8-7
EBU02622
PERIODIC MAINTENANCE/LUBRICATION
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)
1,200
(750)
2,400
(1,500)
2,400
(1,500)
4,800
(3,000)
hours 20 75 150 150 300
Valves*
• Check valve clearance.
• Adjust if necessary.
Spark plug
• Check condition.
• Adjust gap and clean.
• Replace if necessary.
Air filter element
• Clean.
• Replace if necessary. Every 20–40 hours
(More often in wet or dusty areas.)
Carburetor*
• Check and adjust idle speed/starter operation.
• Adjust if necessary.
Cylinder head cover
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.
Fuel line*
• Check fuel hose for cracks or damage.
• Replace if necessary.
Engine oil • Replace. (Warm engine before draining.)
U5UH62.book Page 7 Tuesday, April 5, 2005 6:57 PM