Yamaha YP250 Service Manual page 137

ENG
A.C. MAGNETO AND STARTER CLUTCH
3. Tighten:
S Nut (rotor) 1
80 Nm (8.0 mSkg)
NOTE:
Tighten the nut (rotor) 1 while holding the mag-
neto rotor 2 with a sheave holder 3 .
Sheave holder:
90890-01701
4-41