• CB750.com is dedicated to the Honda CB750 SOHC and DOHC motorcycles and to their owners who love to ride, restore, and customize them.  All CB750 enthusiasts are welcome regardless of where you are from or whether you are into CB750 choppers, bobbers, cafe racers, drag bikes, or restorations.  Enjoy the site!
  • April 30th 2014 $50 Gift Certificate Giveaway from CB750 Supply

    CB750 Supply April 2014 $50 giveawayDon't miss out on the CB750 Supply $50 gift certificate drawing for April! Entries must be received by April 30, 2014 at 1:00PM EST to qualify. Enter the drawing now!
  • Recent Forum Posts


    I would guess you probably broke a oil ring while putting the cylinder on. Or you got a piece of trash inside that is binding up maybe in the timing

    1972 Engine Seized Post Top End Rebuild

    dirtdigger Yesterday, 08:29 PM Go to last post
    Medyo Bastos

    Sync carbs

    Sent from my iPhone using Tapatalk

    Grinding sound when in neutral

    Medyo Bastos Yesterday, 07:42 PM Go to last post

    So I'm currently working on a top end rebuild for a 1972 CB750. When I got the bike, the engine turned over easily, but as it hadn't been run in a while

    1972 Engine Seized Post Top End Rebuild

    gatorforge Yesterday, 06:06 PM Go to last post

    Yes. I would take the spark plugs out first and turn it over. I would then take a compression test if you have a compression tester. I think you can rent

    Where to start

    cttrail90 Yesterday, 12:02 PM Go to last post

    Have 78 CB750A with no spark. I tested the voltage going to the coil and only getting 8 or so volts. Should I be getting 12 volts?

    Voltage to coils

    cttrail90 Yesterday, 09:28 AM Go to last post

    These work:


    Sent from my SM-A520W using Tapatalk


    Skelee 07-14-2018, 11:45 AM Go to last post