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RE: help me fix the backfiring
JT said 2009-04-23 18:01
A couple possibilities: 1-Carbs dirty in jets and/or slide area. If carbs unquestionably clean, have you pulled manifolds off the head to check for cracks? This affects more bikes than most realize. 2-timing too low and/or point gap incorrect. These are likely the areas of the problem.
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