Yamaha YQ50 Service Manual page 86

ENGINE ASSEMBLY AND ADJUSTMENT
5. Install :
• Woodruff key Q
• Magneto rotor W
• Plain washer E
• Nut R
NOTE:
When installing the magneto rotor, make sure
the woodruff key is properly seated in the key
321002
way of the crankshaft. Apply a light coating of
lithium soap base grease to the tapered portion
of the crankshaft end.
6. Tighten :
• Nut Q (magneto rotor)
Use the flywheel holding tool W.
Flywheel holding tool :
Nut (Flywheel magneto) :
321004
4-25
ENG
90890-01235
37,5 Nm (3.75 m.kg)