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With the electrical fixed and the carbs clean as a whistle I am in need of tuning advice. I ordered rebuild kits from vintagecb750.com and they came with a 35 idle jet, a 68 primary main and 75 secondary main jet. Stock is apparently supposed to be 68/102. So, I had purchased 98s for my...

I have an '82 750f. The Solenoid, starter switch, main wire harness and rectifier are all brand new. Checked and cleaned up grounds, Fuses are all good, have power to the starter from the solenoid but the bike will only turn over when I jump the solenoid. When I hit the start button the...

I just picked up a 1982 cb750f that has more than one problem. I'll start with the carbs. Underneath the black plug is a #35, which I believe to be the "slow jet", is that correct terminology? *also, on carb #4 there was nothing under the plug, no jet. The longer "hex" head jet is a #75. I...