2004 Yamaha Motorsports Big Bear 400 Owners Manual - Page 112
2004 Yamaha Motorsports Big Bear 400 Manual
Page 112 highlights
EBU00261 PERIODIC MAINTENANCE/LUBRICATION ITEM Valves* Spark plug Air filter element Carburetor* Crankcase breather system* Exhaust system* Spark arrester Fuel line* Engine oil Engine oil filter element Engine oil strainer Final gear oil Front brake* Rear brake* Clutch ROUTINE Check valve clearance. Adjust if necessary. Check condition. Adjust gap and clean. Replace if necessary. Clean. Replace if necessary. Check idle speed/starter operation. Adjust if necessary. Check breather hose for cracks or damage. Replace if necessary. Check leakage. Tighten if necessary. Replace gasket(s) if necessary. Clean. Check fuel hose for cracks or damage. Replace if necessary. Replace (warm engine before draining). Clean. Replace if necessary. Clean. Check oil level/oil leakage. Replace every 12 months. Check operation/fluid leakage/See NOTE page 8-4. Correct if necessary. Check operation. Adjust if necessary. Check operation. Adjust if necessary. 1 month INITIAL EVERY 3 6 6 1 months months months year Every 20-40 hours (More often in wet or dusty areas.) 8-3