Yamaha BR250F Service Manual
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MAINTENANCEPeriodic 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 servici ng.EveryCheck point 20 hrs. or 40 hrs. or 80 hrs. or When Seasonally400 km 800 km 1,600 km necessary(250 mil (500 mil (1,000 milENGINE:Tighteness of bolts and nuts 0Bends, cracks, and wearAbnormal noise 0Loose connection and breaks in the fuel and pulse pipesLoose 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 adjustmentOperation and adjustment of oil pumpCylinder compression 0Cylinder/exhaust pipe decarbonize~Spark plug condition, gap, and cleaning 0Tightening of the cylinder**DRIVE:Tightness of bolts and nutsWear on slide runnersPrimary drive systemV-belt 0Secondary drive system 0Sheave distance 0Sheave offset 0Brake pad wear 0Brake operation and adjustment 0Gu ide wheel rubber 0Wear of track drive sprockets 0Initial100 kmDrive track adjustment (60mi} &300 km(200 milBreaks in drive track 0Bends in front and rear axles 0Check lock washers 0Drive chain adjustment 0Drive chain oil level 0** Retighten every 10 hours from the first use.-2- |
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