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A series crank.

Posted: Sat Jun 29, 2013 8:31 am
by Paddy
Hi
Can anyone tell be if a 175 A series 1959 crankshaft will fit B series 250 N/C crankcases ? I know the bearing size was different but was that just the OD ?
Any thoughts please ??

Re: A series crank.

Posted: Tue Jul 09, 2013 3:38 pm
by double diamond
The 250 N/C crank is about 5mm wider across the flywheels so the 175 crank would be too narrow for 250 cases. Matt

Re: A series crank.

Posted: Wed Jul 10, 2013 4:08 pm
by Paddy
Thanks DD .