YS 140 FZ conversion to L

[VicenteRC at aol.com]

Few weeks ago we discussed the conversion of YS 140 FZ motors to L.  I think the conclusion was to replaced the crankshaft only.  Is this correct?  I have two FZs that are in very good conditions and I would like to gain some power.

I have the opportunity to check the head and the valves are equal in both engines.  The only difference looking the part numbers is the crankshaft.

I would like to get respond from someone that have done the conversion.

Thanks,

Vicente Bortone

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