1-7SPECIAL TOOLS GENINFOEC140002SPECIAL TOOLSThe proper special tools are necessary for complete and accurate tune-up and assembly. Using thecorrect special tool will help prevent damage caused by the use of improper tools or improvised tech-niques. The shape and part number used for the special tool differ by country, so two types are provid-ed. Refer to the list provided to avoid errors when placing an order.NOTE:9For U.S.A. and Canada, use part number starting with “YM-”, “YU-” or “ACC -”.9For others, use part number starting with “90890-”.Part number Tool name / How to use IIIustrationYU-1135-A, 90890-01135 Crankcase separating tool YU-1135-A 90890-01135This tool is used to split the crankcase as wellas remove the crankshaft from either case.YM-1189, 90890-01189 Flywheel puller YM-1189 90890-01189This tool is used to remove the flywheel magneto.YU-1235, 90890-01235 Rotor holding tool YU-1235 90890-01235This tool is used when loosening or tightening theflywheel magneto securing nut.YU-3097, 90890-01252 Dial gauge and stand YU-3097 90890-01252YU-1256 Spark plug hole dial stand YU-1256These tools are used to set the ignition timing.Crankcase installing tool YU-90050 90890-01274YU-90050, 90890-01274 Pot YU-90063 90890-01275YU-90050, 90890-01275 Bolt90890-01278YU-90063, 90890-01278 AdapterThese tools are used to install the crankshaft.YU-1304, 90890-01304 Piston pin puller YU-1304 90890-01304This tool is used to remove the piston pin.YU-24460-01,90890-01325 Radiator cap tester YU-24460-01 90890-01325YU-33984, 90890-01352 Adapter YU-33984 90890-01352These tools are used for checking the coolingsystem.
