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View Full Version : someone figure out my carb!!!



rap169
09-24-2003, 05:51 PM
I have an 87 250x. It has a whitebros exhaust (full), Open air box with a uni filter, White bros race cam, Weisco 21:1 piston. Stock main is a 125. What should i do with the main, and slow jet, and needle? Before i put the cam and piston in, i had the needle moved up one and the main was 135. Now i put the cam and pisotn in, it idles high with the idle adjusted all the way down, and its hesitates in throtle response. Any help?????????

silverbullet300
09-24-2003, 06:13 PM
check the cable that is going into the thumb throtle and see u can adjust the idle down with that. i had similar problem when i cleaned mine.

rap169
09-24-2003, 07:15 PM
tried that already...i thought it was that at first
anybdy else?

rap169
09-24-2003, 09:38 PM
sombody has to have the same mods and can tell me how many sizes they went up on the jets. that will give me an idea of how many sizes i need to go up.

rap169
09-25-2003, 05:14 PM
bump