runner

I have just bought a 2003 fe 650 as a non runner. When you kick the bike over it feels like there is not a lot of compression. The de comp lever is not connected to the head either, The cable looks like it has came lose and fell off

A while back, someone posted this thesis which I finally had a chance to read. It was very well done by a student who took an FE570 engine and optimized the intake. Page 67 shows the improvement of his tuned intake vs. stock and page 62 shows the effect of varying the lengths of the intake...