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Just wondering im thinking of buying the 165 kit for my klx just wondering whats the difference between the race head and the v2 head. or does anyone know the horsepower with either as a bolt on
 

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rpklx said:
Just wondering im thinking of buying the 165 kit for my klx just wondering whats the difference between the race head and the v2 head. or does anyone know the horsepower with either as a bolt on


Bigger valves, roller rockers......
 

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rpklx said:
Just wondering im thinking of buying the 165 kit for my klx just wondering whats the difference between the race head and the v2 head. or does anyone know the horsepower with either as a bolt on




the V2 head it a full roller rocker head,



the Race head aka the V1 is just a bigger valve and port KLX head,



the V2 with the right carb on a 165 can get you 16+hp



the V1 is more like 12-13 hp
 

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im gonna get the 143 kit from tb i just play on my bike but i am 240lbs is there anything i NEED to swap out or is that kit good for me?
 

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What year is the bike? If it's not an '08 then you will need a HD out put shaft. Also while your in there you might as well do the stroker crank and the 4spd drum/shift star.
 
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