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engine overhaul

  1. 1972 CB 350 twin and a lot of white smoke

    I need professional advice. I bought this beautiful cb 350, with 7ooo miles on it, changed the tires, synced the carbs and it ran great except for in 5th gear, and it would begin to bog down around 70 mph. I was getting on the highway and it began to bog so I let off a bit, as I did that I...
  2. Vagabond CL350 street custom

    New Member Introductions
    Brand New to forum. Have benefited greatly from all the discussions and hope to pass that along to future vintage crazies to come. Currently doing my 1st engine rebuild and feel it will be easier, and cheeper, than the Hem and Haw I get from every bike shop I encounter. Plus learning it is the...
  3. valve guide seals on 1974 cb550

    Motorcycle Repair
    Hello. I have a cb550 that was a 'bike in a box' project. It was pulled apart b/c of a bent valve. I bought a new intake valve, and I am putting new valve guide seals in. I started by removing the old one first(works better that way), and noticed that there is a washer within the old valve...
  4. What does poor startability in cold wx mean?

    General Motorcycle Discussion
    This morning I started my bike in the coldest weather since I've had her--about 3C (37F). It took three or four 5-second attempts before I got ignition. On the 2nd to last attempt I had a backfire. I'm wondering if this means that the engine needs an overhaul. It seems to be burning oil. Even...