nottstrees

<p>Hi Mick, from what I can see, the stroke of the older machine is 32mm and the newer one is 32.5mm, the crank parts are different part numbers as are the crankcases so my thinking is that it will not be a straight replacement and any modification will be a real gamble! I do have a scrapper old eddition 346, I don't know if the cylinder is OK as it has a bent crank but it may give you a solution if it is OK?</p>

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<p>Steve</p>