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Hi, hey can you help still??? you gave some good advice in your posts to me about my 81 gs750 and I appreciate it. My problem still exists. I have cleaned the carbs per carb cleaning specs here. I have put 45 pilot jets in, 120 main jets, and raised the needle one washer thickness. The bike will start and run beautifully up to 4k.(1/8-1/4 throttle) at 1/4 gettting close to 1/2 throttle it stumbles like crazy. Pull the plugs and they look lean. Do I need to raise the needles more??? how much?? the washer shims are so small should I doulble the shims (how many to use) or am I looking in the wrong place?? I'm getting closer but getting real frustrated. Would a bad petcock cause this stumbling thing??
Some information from here on the CV carbs has stated that at the 1/2 throttle area you are running on the needle circut, and if its running lean here to raise the needle. But how many shims do you go beyond the single stock shim? right now I'm at 2 shims on the needles. Thanks for your time.
Some information from here on the CV carbs has stated that at the 1/2 throttle area you are running on the needle circut, and if its running lean here to raise the needle. But how many shims do you go beyond the single stock shim? right now I'm at 2 shims on the needles. Thanks for your time.