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  1. Engine Discussion
    Hey guys, I have a 1978 Cb400TII that I've been working on trying to get it tuned up after it was given to me by a family member. The bike has 24K miles on it and has not been sitting so any long period of time, it was used pretty regularly before I had it. The engine runs well by my...
  2. Engine Discussion
    Hi guys, First post! This forum helped me fix my charging issue, so I thought I'd post about my 5th gear problem(?) My 450 in fifth gear, going 50 mph, is revving around 4.5-5k RPM. This is my only cb, so I don't really have a reference of what I should be getting. Does this seem correct? Sorry...
  3. Engine Discussion
    Hello! I just made some carb cleaning, spark plug replacements and I noticed that the idle RPM is not even... It improves if I make is faster. The thing is that I am not sure if there is a correct idling speed for a CM440 Custom. Does anyone know if there is a correct "RPM speed" to tune it...
1-3 of 3 Results