just got a 45 tm off ebay for my 650 and was wondering for some jetting help.the carb has a 25 pilot,97 needle and 175 main and pump is activated at 1/4 to 3/4 throttle also has a 70 nozzle.i seem to have a stumble at 1/4 to half throttle also running open air box no tubes and my elevation is about 3000 ft..also needle is set at second groove from the top.any help will be appreciated.also bike is a 03 baja with a biggun cdi,hmf slipon,and uni filter also ported intake.thanx for the replies.

 

Try this post. The guys have been helping me a bunch. http://forums.atvconnection.co...atid/6/threadid/543226

 

thanks Hal i was thinking that my problem is with the 70 nozzle the carb came with.i see everyone is running the 50 so ill order 1 and maybe try a 30 pilot. irode it yesterday and checked my plug and it was a lite chocalate/tan color so i think its firing ok but not sure.