Search found 2 matches

by crankyjohn
Tue Nov 08, 2011 11:43 pm
Forum: Post 1970 Airheads
Topic: R75 bottom end R100 top end?
Replies: 14
Views: 3675

Re: R75 bottom end R100 top end?

I am aware that I will have to mil off 1mm at the base. I guess what I am wonder is if there are any unforeseen problems with this modification.

Thanks
by crankyjohn
Tue Nov 08, 2011 8:35 pm
Forum: Post 1970 Airheads
Topic: R75 bottom end R100 top end?
Replies: 14
Views: 3675

R75 bottom end R100 top end?

I have a 1974 R75/6 and parts from a 1978 R100/7. Will the bottom end of the R75 drive the top end of the R100? These parts are just sitting around and I'd like to use them. The R100 cylinders need to be bored out. They suffered some damage from it's bottom end blowing up due to an obstruction of oi...