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Hello gent's, As far as i remember some of you do use the megacycle 250-40 profile, would one of you maybe remember the overlap lift @TDC, unfortunately not stated in catalog? I ordered already the cam but until it arrives here some time will still pass, so i reasoned if one would have that...

Hi folks, As we in Europe did not have too many of the early XS/tx models, i wanted to know if one of you knows if the 1975 Tx650 has already the 35mm forks or still the 34mm forks. I'm trying heavily to source some triple trees for my conversion. Thanks a lot for your kind help, it's really...

Hi guys, Mostly out of of curiosity, as i have my own particular ideas about gas dynamics and porting, i was wondering if any of you had the pdf tuning manual that was offered for sale on 650performance but does not seem to ve anymore online? Mostly I'm curious about the achieved flow numbers...

Hello folks, First thanks again for the kind support regarding the early headlight buckets! In my ongoing quest to eventually convert my 447 into an early (red white) XS hybrid, I'm searching currently for reasonably priced painted headlight buckets in Europe. Would the spare parts number YHA...

Hello to you all, Maybe some of you guys could give me some advice. Do the early headlight brackets fit on a later 447? I'm planning during the restoration of my Xs650 to have the early colour scheme applied and thus would like to change the current (Tomaselli) headlight brackets to the early...

I have two short questions, Considering that there are two camshaft sprocket types is it possible to change the sprocket type from one cam to the other? If so how much press force is needed? Doable on a small toolroom lathe, as I have no Shop press. I unfortunately have currently no xs cam at...

Hi, It's been a lil while as I get been busy with family and projects. Just did a exhaust D- port weld up with raised floor on a Sr/TT/Xt (I'm currently working on a couple Xt/TT/sr heads so I thought I'm gonna post it as you guys might hopefully appreciate pictures of that kind, despite that...