GENINFO1 - 8SPECIAL TOOLSYU-33975, 90890-01403 Steering nut wrenchThis tool is used when tighten the steering ring nut tospecification.YU-33975 90890-01403YM-1423, 90890-01423 Damper rod holderUse this tool to remove and install the damper rod.YM-1423 90890-01423YM-01442, 90890-01442 Fork seal driverThis tool is used when install the fork oil seal.YM-01442 90890-01442YU-3112-C, 90890-03112 Pocket testerUse this tool to inspect the coil resistance, outputvoltage and amperage.YU-3112-C 90890-03112YU-08036-B90890-03113Inductive tachometerEngine tachometerThis tool is needed for observing engine rpm.YU-08036-B 90890-03113YM-33277-A, 90890-03141 Timing lightThis tool is necessary for checking ignition timing.YM-33277-A 90890-03141YM-04019, 90890-04019 Valve spring compressorThis tool is needed to remove and install the valveassemblies.YM-04019 90890-04019YM-91042, 90890-04086 Clutch holding toolThis tool is used to hold the clutch when removing orinstalling the clutch boss securing nut.YM-91042 90890-04086YM-4111, 90890-04111YM-4116, 90890-04116Valve guide removerIntake 4.0 mm (0.16 in)Exhaust 4.5 mm (0.18 in)This tool is needed to remove and install the valveguide.YM-4111YM-411690890-0411190890-04116Part number Tool name/How to use Illustration
