Rene is a keen Grab the Flag racer. SR500. Winter 2009/10 he began working a 76 XS650 over. 750cc, head, cam, exhaust.

 

 

Rene’s 76 XS … 145kg dry … end of 2010, ready for 2011 race season preparation

 

 

Rene’s SR500 dry clutch, version II, classic cover

 

 

His SR500s responded well, over the past 2 years, to his dry clutch. So, he figured, would the XS. Complemented by a high ratio primary gear couple.

 

 

cutting the case

 

 

seal holder … from lathe

 

 

clutch box welded up

 

 

and welded into case … adapter and ducati dry clutch fitted

 

 

and ready to go

 

 

This too has been posted. Again interesting enough to warrant its’ own post. Something that, in all the years I’ve been playing with motors, I’ve never really considered.

 

 

285-1 … primary drive, driven gear lash tolerances

 

 

285-2 … primary gear lash tolerances