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JACK STRAW
09-15-2013, 07:10 PM
what is a close start for tuning a '89 250r with a fmf "sst" pipe. also is 155 main to small to start
thanks
Meat
09-17-2013, 02:16 PM
Air screw, 1-1/2 turns out from seated. not sure what size main you'll need.
kt23
09-17-2013, 04:18 PM
Use a 170 main needle in 4th notch air screw 1 1/2 out 50 pilot. Remember always start rich and work ur way down. Concentrate on one circuit at a time