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  • MAC Performance

    Mac Performance is looking for someone in the Southern California area with a 1979-1982 CB750 to lend their bike for exhaust prototyping. Click for details!

  • Recent Forum Posts

    amc49

    If that doesn't work, measure the outlet size to see if it is really closer to 2 1/4". There may well be some aftermarket choices there as most headers

    1973 Cb750 exhaust ideas?

    amc49 Today, 12:41 AM Go to last post
    leo750k

    I was reading some of your responses in other posts, and am beginning to think I have never really had it completely warmed up. New to air cooled motors,

    cant get a steady idle

    leo750k Yesterday, 11:08 PM Go to last post
    dirtdigger

    Look up CycleX

    1973 Cb750 exhaust ideas?

    dirtdigger Yesterday, 09:28 PM Go to last post
    amc49

    Yep, you should only mess with the idle speed screw once the engine is warmed up. People do it cold and then have to finetune it for warm all over and

    Idle Help

    amc49 Yesterday, 08:45 PM Go to last post
    mnvkngs65



    Anyone have suggestions for a new quiet muffler so I can get rid of this dangerous and ugly aftermarket piece? The exhaust from the head

    1973 Cb750 exhaust ideas?

    mnvkngs65 Yesterday, 08:06 PM Go to last post
    Russell Morgan

    Thank you I went to the dealer and looked at the diagram and got it right. The forks are on now.

    Fork bushings

    Russell Morgan Yesterday, 05:34 PM Go to last post