1
a
2
4
5
a b
7
a
8
a
9
a
SPECIAL TOOLS
b
3
6
b
b
b
SPECIAL TOOLS
Using the correct special tools
recommended by Yamaha, will aid the
work and enable accurate assembly and
tune-up.
Improvising and using improper tools can
damage the equipment.
NOTE:
For U.S.A. and Canada, use part numbers
that start with "J-", "YB-" "YM-", "YU-"
or"YW-".
For other countries, use part numbers
that start with "90890-".
MEASURING
1 Engine tachometer
P/N.
YU-08036-B ..........................
90890-06760 .........................
2 Pilot screw driver
P/N.
N.A.
90890-03154
3 Compression gauge
P/N.
YU-33223
90890-03160
4 Timing light
P/N.
YM-33277-A
90890-03141
5 Mity vac
P/N.
YB-35956-A............................
90890-06756...........................
6 Leakage tester
P/N.
N.A.
90890-06762
7 Digital circuit tester
P/N.
YU-34899-A............................
90890-06756 .........................
8 Peak voltage tester
P/N.
YU-39991 ..............................
90890-03172 .........................
9 Spark gap tester
P/N.
YM-34487 ..............................
90890-06754 .........................
1-5
a
b
a
b
a
b
a
b
a
b