Enjoy XS650.com?Consider making a donation to help support the site. XS650.com receives a small share of sales from some links on this page, but direct donations have a much greater impact on keeping this site going.
Apples and oranges, but when I was racing Formula Vee, we always tried to pay attention to the geometry of the valve train. Not a big deal if you're not revving it to 7200 RPM, but vibrates like crazy if you are. We would always try and get it close with pushrod length, then fine tune it with...
A good friend of mine has an auto repair shop that is tied in with NAPA. The number of defective Chinese junk parts he has to send back is about to drive him under. If we as a nation do not start making our own stuff again, we're doomed.