1997 thundercat 900

[williamg]

Hi i hav a 900 thundercat it runs good when cold but when it heats up its powerless and runs like its only on 2 cylinders but the 2 outer cylinders has 160 or 165 and the middle has 150 i replased the iner coil and the cdi box

 

[rotormech]

i had a 95 zr700 with same problem,go down 2 or 3 sizes on the main jets,your probably running real rich,do some wot runs and check your plugs.or i could be wrong.......

 

[rotormech]

ya the zr i had took awhile to dial in,i think i had 370 mains at -20,that sled was the best trail-lake sled i had,it was smoken fast for that era of sleds,a true 100 mph sled on the lake.