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Old 05-25-2017, 11:32 AM   #3
Swampy   Swampy is offline
 
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Join Date: Aug 2011
Location: Sacramento, CA
Posts: 218
Howdy John,

Others have added more airflow (better filter-less restrictive muffler) but I would suggest checking your CVT unit. Depending on the age and use you could replace springs and/or weights to get better performance out of it. I would suggest you also check and if need be adjust the valves.

Member Weldangrind has a really good thread regarding your “Box” on the rear axle (reverse).

I honestly don’t know how much of a gain for the buck you could get out of a big bore kit on these little 150s.

I am running my 150s stock except for a better foam filter and have been really happy with the power they deliver. Get your used GY6 and CVT back to new condition and you may be surprised with the power.

Whatever you end up doing please share your experiences, it’s great to see others projects.
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1986 TT350, 2002 Grizzly 660, 2009 TR125 and two 2015 Kandi 150cc Quads.


 
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