Keepin' it Cool - (WATER PUMP COVER / IMPELLER

YZ426Rick

Member
May 24, 2004
10
0
Has anyone purchased and installed an aftermarket water pump cover and impeller (namely the Boyesen kit)? Was there a noticeable difference in the horsepower gained, or the bike's temp? I've heard that a better pump can add power while increasing the longevity of the motor. I ride a 2002 YZ 426.

Thanks
 
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