So much increased performance can be extracted from the DR650SE's doing intake and exhaust improvements that there is almost no need to crack open the engine. But for those power crazed individuals we have some links you may be interested in.
Here's a link to mxrob's Thumpertalk post on the J&E HC piston and Web cam install.
Links that can help Edit
- Kientech offers a J&E high compression piston kit with gaskets included
- Or you can go right to J&E's site to order and get your own gaskets
- Kientech also offers a 670cc big bore kit
- Web Cam Inc. offers a good over-all power type camshaft
- Cylinder head port matching and clean up along with a quality multi angle valve job can boost performance
- Haines of the UK offers CCM's 710cc kit!