Recent content by paulrotterdam

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    CB550F sooty spark plugs - why?

    So here's the problem my cb550f1 seems to have >:( New spark plugs completely soot up with dry black soot. They get soo covered in soot, that after about 500km of driving they no longer spark enough to start the bike. Sounds like a classic rich mixture, simple enough right? The problem is...
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