STRIPPING DOWN THE
CRANKSHAFT AND THE
GEARBOX
- Withdraw the engine from the frame
and set it up on an engine stand.
- Strip down the thermodynamic sec-
tion (cylinder head, cylinder, and
piston).
- Strip down the magneto alternator.
- Strip down completely the primary
drive assembly, including the starter
system and the gear selector shaft.
- First slacken off and then withdraw
all the crankcase half securing
screws, from the left hand side of
the engine.
- Extract the intermediate starter gear
located on the end of the gearbox
secondary shaft, and additionally
the gear lock transfer and the star
gear.
- Heat up the crankcase assembly
around the seatings of the cranks-
haft, primary shaft, and secondary
shaft bearings on both sides (to
approximately 60ºC).
12-1