SPECIAL TOOLS

GEN

 

INFO

Tool No.

Tool name/Function

Illustration

Gauge

Compression gauge

 

 

Adapter

 

 

90890-03081

 

 

 

 

 

YU-33223

 

 

 

Adapter

 

 

 

90890-04082

These tools are needed to measure

 

 

 

engine compression.

 

 

 

Pocket tester

 

 

90890-03112

 

 

 

YU-03112-C

 

 

 

 

This instrument is needed for checking the

 

 

 

electrical system.

 

 

 

Engine tachometer

 

 

90890-03113

 

 

 

YU-8036-B

 

 

 

 

This tool is needed for observing engine

 

 

 

rpm.

 

 

 

Timing light

 

 

90890-03141

 

 

 

YM-33277-A

 

 

 

 

This tool is necessary for checking ignition

 

 

 

timing.

 

 

Compressor

Valve spring compressor

 

 

Valve spring compressor attachment

 

 

90890-04019

 

 

 

 

 

YM-04019

 

 

 

Attachment

 

 

 

90890-04108

This tool is needed to remove and install

 

 

YM-04108

the valve assemblies.

 

 

 

 

 

 

Rotor holding tool

 

 

90890-01235

 

 

 

YU-01235

This tool is used to remove the flywheel

 

 

 

 

 

 

magneto.

 

 

 

Thickness gauge

 

 

90890-03079

 

 

 

YM-34483

 

 

 

 

This tool is used to measure the valve

 

 

 

cleanance.

 

 

Yamaha bond No. 1215

Bond Sealant (Quick Gasket®) 90890-85505

Sealant

ACC-11001-05-01This sealant (bond) is used on crankcase

mating surfaces, etc.

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