Author Topic: bsa m21  (Read 4314 times)

Offline rap

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bsa m21
« on: February 07, 2006, 12:22:05 PM »
Am looking for m21 engine crank and flywheels as have 3 m20,s and want to build an m21 motor. Any help would be appreciated
       Thanks Graeme.

Offline terryk

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Re: bsa m21
« Reply #1 on: April 08, 2007, 09:07:14 PM »
Hi mate you only need the m21 flywheels all the rest is the same as m20. The piston is shorter though. regards terry