2008 Yamaha Raptor 250SE / 250SE2 Factory Service Manual, Page 22Get this manual
SPECIAL TOOLS Tool NoTool nameFunction Valve guide installer (6) Valve guide installer (6.0 mm) 90890-04065 YM-04065-A This tool is needed to install the valve guidesValve guide reamer (6) Valve guide reamer (6.0 mm) 90890-04066 YM-04066 This tool is needed to rebore the new valve guidesValve lapper Valve lapping tool 90890-04101 YM-A8998 This tool is needed to remove and install the valve liftersPTT wrench 46 90890-06588 This tool is needed to loosen or tighten the rear axle nutAxle nut wrench (46 mm) YM-37134 This tool is needed to loosen or tighten the rear axle nutIgnition checker Opama pet-4000 spark checker 90890-06754 YM-34487 This instrument is necessary for checking the ignition system componentsDigital tachometer 90890-06760 YU-39951-B This tool is needed for observing engine rpmYamaha bond No1215 (Three Bond No1215) 90890-85505 This bond is used on crankcase mating surfaces, etc