Home Forums Tech Talk 2001 vs 1999 Honda 125 stock class Reply To: 2001 vs 1999 Honda 125 stock class


Leo Ahearn

The 01 port timing allows it to rev a bit higher than the 99.  All things being equal, the 01 produces a tad more PEAK HP.  With higher RPM, within a given period of time it is pumping and burning more air and fuel, therefore creating more power.

Keep in mind there is no rev limiter per se on this motor – its peak RPM is determined by port timing.

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