um CBF 125 Service Manual page 76

7.3.4. Dismantle locknut on magneto. Use special
tools to dismantle magneto rotor
7.3.5. Check needle bearing, woodruff key on
crankshaft for damage
7.3.6. Clean off engine oil from tapered face of
crankshaft. Install magneto rotor
turning the gear on crankshaft, thus align
keyway with woodruff key
7.3.7. Install washer and locknut.
CBF 125 AIR COOLING ENGINE SERVICE MANUAL
RENEGADE SPORT & SCRAMBLER X 125 EFI
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