Yamaha BRUIN 350, Owner'S Manual

Page: 110 / 174

8-3
EBU00261
PERIODIC MAINTENANCE/LUBRICATION
ITEM ROUTINE
INITIAL EVERY
1
month
3
months
6
months
6
months
1
year
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.
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.
Fuel line*
• Check fuel hose for cracks or damage.
• Replace if necessary.
Engine oil • Replace. (Warm engine before draining.)
Engine oil filter cartridge • Replace.
Engine oil strainer* • Clean.
Final gear oil
• Check for oil leakage.
• Replace every 12 months.
Differential gear oil
Front brake*
• Check operation/fluid leakage. (See NOTE page 8-4.)
• Correct if necessary.
Rear brake
• Check operation.
• Adjust if necessary.
U5UH10.book Page 3 Monday, July 28, 2003 5:15 PM