620 / 800

[bally71]

Anyone know if a 620 top end will swap onto an 800 motor

[SeeleyG50]

Different stroke!

Not sure that the muff o/d isn't bigger on the 800 too, with it being 8mm bigger on the bore, which means its a non starter even if you do use a 620 crank.

:rolleyes:

[prilla11]

Different stroke!
Not sure that the muff o/d isn't bigger on the 800 too, with it being 8mm bigger on the bore, which means its a non starter even if you do use a 620 crank.

:rolleyes:
definatly dont fit barrel stud spacings diffrent

[bally71]

cheers guys .. will strike that one off my daft ideas list