Yamaha YFM350R-W Supplementary Service Manual

Also see for YFM350R-W: Owner's manual Owner's manual

Yamaha YFM350R-W Supplementary Service Manual Manual pdf 27 page image

– 20 –CHKADJINTRODUCTION/PERIODIC MAINTENANCE/LUBRICATIONEB300000PERIODIC CHECKS AND ADJUSTMENTSINTRODUCTIONThis chapter includes all information necessary to perform recommended inspections and adjust-ments. These preventive maintenance procedures, if followed, will ensure more reliable vehicleoperation and a longer service life. The need for costly overhaul work will be greatly reduced. Thisinformation applies to vehicles already in service as well as to new vehicles that are being preparedfor sale. All service technicians should be familiar with this entire chapter.PERIODIC MAINTENANCE/LUBRICATIONNOTE:• For ATVs not equipped with an odometer or an hour meter, follow the month maintenance inter-vals.• For ATVs equipped with an odometer or an hour meter, follow the km (mi) or hours maintenanceintervals. However, keep in mind that if the ATV isn’t used for a long period of time, the monthmaintenance intervals should be followed.ITEM ROUTINEWhichevercomes firstINITIAL EVERYmonth 1 3 6 6 12km(mi)320(200)1,200(750)2,400(1,500)2,400(1,500)4,800(3,000)hours 20 75 150 150 300Valves* • 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 starter (choke) operation.• Adjust engine idling speed.Crankcase breathersystem*• 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.)Engine oil filter ele-ment• Clean.• Replace if necessary.Engine oil strainer • Clean.Drive chain • Check and adjust slack/alignment/clean/lube.Brakes* • Check operation/fluid leakage/See NOTE page 21.• Correct if necessary.Clutch* • Check operation.• Adjust if necessary.Wheels* • Check balance/damage/runout.• Replace if necessary.Wheel bearings* • Check bearing assemblies for looseness/damage.• Replace if damaged.