Yamaha BR250F Service Manual
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1~6. MAINTENANCEA. Periodic MaintenancePerform the various inspections and services at the indicated intervals; however use this schedule asa guide only. Depending upon the operating conditions, certain components may require more fre-quent servicing.EveryCheck point 20 hrs. or 40 hrs. or 80 hrs. or When Seasonally400 km 800 km 1,600 km necessary(2ENGINE:Tighteness of bolts and nutsBends, cracks, and wear 0Abnormal noise 0Loose connection and breaks in the fuel and pulse pipes 0Loose connection and breaks in the oil pipes 0Loose connection and breaks in the oil delivery pipe 0Recoil starterCarburetor• Operation of starter jet 0• Mixing adjuster (pilot screw) 0• Idle speed adjustment 0Operation and adjustment of oil pumpIgnition timing 0Cylinder compression 0Cylinder/exhaust pipe decarbonize 0Spark plug condition, gap, and cleaning 0Tighten the cylinder** 0DRIVE;Tightness of bolts and nutsWear on slide runners 0Primary drive system 0V-belt ()Secondary drive system 0Sheave distance 0Sheave offset=Brake pad wear 0Brake operation and adjustment 0Guide wheel rubber 0Wear of track drive sprocketsInitial100 kmIDrive track adjustment (60mi) & 0300km(200mi) IBreaks in drive track 0Bends in front and rear axles 0 jCheck lock washers 0 !Drive chain adjustment 0 iChain case oil level 0** Retighten every 10 hours from the first use.1-3 |
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