Yamaha TTR90(M), Owner'S Service Manual

Page: 36 / 287

GEN
INFO
1 - 6
SPECIAL TOOLS
EC140001
SPECIAL TOOLS
The proper special tools are necessary for complete and accurate tune-up and assembly. Using the
correct special tool will help prevent 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 provided to avoid errors when placing an order.
NOTE:
●
For U.S.A. and Canada, use part number starting with “YM-”, “YU-” or “YS-”.
●
For others, use part number starting with “90890-”.
Part number Tool name/How to use Illustration
YU-1083-A
90890-01084
90890-01085
Small slide hammer set
Weight
Slide hammer
These tools are used when removing or installing the
rocker arm shafts.
YU-1083-A 90890-01084
90890-01085
YU-01268, 90890-01268 Ring nut wrench
This tool is used when loosen the steering ring nut to
specification.
YU-01268 90890-01268
YU-03112, 90890-03112 Yamaha pocket tester
Use this tool to inspect the coil resistance, output
voltage and amperage.
YU-03112 90890-03112
YU-8036-1
90890-03113
Inductive tachometer
Engine tachometer
This tool is needed for observing engine rpm.
YU-8036-1 90890-03113
YM-01253, 90890-01253 Valve spring compressor
This tool is needed to remove and install the valve
assemblies.
YM-01253 90890-01253
YM-01300
90890-01294
Damper rod holder set
Damper rod holder
Use this tool to remove and install the damper rod.
YM-01300 90890-01294
YM-01312-A, 90890-01312 Fuel level gauge
This gauge is used to measure the fuel level in the
float chamber.
YM-01312-A 90890-01312