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 Topic: Nsr exhaust discussion 







RGB500

 
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RGB500 » Thu Nov 04, 2004 6:39 pm

I suspect that the reason you have lost hp. in the midrange is that you have the wrong ignition advance curve for MC 21 barrels and pipes with a PGM 1. The MC 18`s porting is much better on top. With the 21`s, honda changed the porting and ignition curve for more midrange due to the 45 hp. restrictions.

Mike
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Mike
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