Author Topic: Partner 550 S55 P55 F55 65 650 P70 7000  (Read 15485 times)

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Offline SawTroll

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Re: Partner S65
« Reply #40 on: November 07, 2013, 08:49:59 pm »
Btw, the S65 and F65 were rated at a little less power than the earlier 65cc Pro Partners, like the R20 and R420 - 3.8 hp vs. 4.0 hp.

I believe the difference was caused by open vs. closed porting.....

 

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