Special Tools And Testers - Yamaha EF3000iSE Manual De Servicio

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. The shape and part number used for the special tool
differ by country, so two types are provided. Refer to the list pro-
vided to avoid errors when placing an order.
NOTE:
• For USA and Canada, use part number starting with "YM-", "YU-"
or "YS-".
• For others, use part number starting with "90890-".
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 available
This instrument is used for checking cylinder bore size and con-
dition.
SVU1160
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