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crankcase pressure

  1. Engine Discussion
    Hey all! I finally got the carbs right for my 1978 CB400Tii, and checked/adjusted the valve clearances, so, I decided to take it for a ride on the freeway. All was well for a while. The bike was pulling nice and strong. At one point, I had it going 90+MPH. I kept on going around 65-70 MPH for...