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Crank removal


fiddler2
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20 hours ago, fiddler2 said:

Need to do engine inspection .. advice for splitting crank case   . What needs to be removed ? Clutch ,crank weight . Mag off, oil seal carrier . Kick and gear off already   hot air gun help?

Don't normally need hot air gun for Bultaco unless someone has used sealant on the centre gasket.

gearbox output sprocket and seal spacer

cylinder

shift drum external mechanism

shift drum indexing plunger

all the nuts and screws - one screw is tricky to see

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You also need to remove the primary drive and the clutch. Basically everything on the primary side. David forgot to mention that. Don`t lose the small washer on the kickstart gear inside the center cases.

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