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Alpina 250 76mm piston


Jscroggins
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Hey, new here.

I just picked up a model 85 Alpina 250 and found out the piston was a 76mm. Anybody ever seen this? Seems like a huge jump from 72mm. The piston was cracked when I got it. Anybody know where I can get another one?

 

thanks in advance. 

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Hullo J,  Try France trials Classic, they are on Rheims, east of Paris. I am sure I have seen a 76 mm piston on their lists. This big bore conversion brings the cc up to 272 .  Incidentally, the 290 Sherlock is the same 272 cc !  Let us know how you get on. 

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