Special Tools And Testers - Yamaha EF2800i Service Manual

SPECIAL TOOLS AND TESTERS

SPECIAL TOOLS AND TESTERS
The proper special tools are necessary for complete and accurate
tune-up and assembly. Using the correct special tool will help pre-
vent damage caused by the use of improper tools or improvised
techniques.
1. Piston ring compressor
P/N. YU-33294, 90890-05158
This tool is used to compress the piston rings when installing the
piston.
SVU1130
2. Valve spring compressor
P/N. YM-01253, 90890-01253
This tool is used to remove the valve springs.
SVU1140
3. Thickness gauge
P/N. YU-26900-9, 90890-03079
This gauge is used to adjust valve clearance, piston clearance
and piston ring end gap.
SVU1150
4. Cylinder gauge
Commercially obtainable
This instrument is used for checking cylinder bore size and con-
dition.
SVU1160
5. Inductive tachometer
P/N. YU-8036-A
Engine tachometer
P/N. 90890-03113
This instrument is used for reading engine r/min.
SVU1170
6. Compression gauge 1
P/N. YU-33223, 90890-03081
Adapter 2
P/N. YU-33223-3, 90890-04082
This gauge is used for checking engine compression.
SVU1180
7. Dial gauge
P/N. YU-03097, 90890-03097
This instrument is used for checking crankshaft side clearance.
SVU1190
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