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General Minitrail Talk
Modifications
Sticking a Honda Hot Cam (or DRATV Mini Monster Cam) in a stock 3-speed CT70
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<blockquote data-quote="69ST" data-source="post: 150061" data-attributes="member: 5"><p>This puts things into clearer focus. Once you've gotten the carb dialed-in, the cam change should give just what you're looking for ~3mph. If if you consider the math, that's roughly a 1hp increase, pretty good for a simple cam swap, imho. </p><p></p><p>In general, with small bikes and marginal power (especially torque) seemingly small differences in output and gearing can have bigger results than intuition might tell you. 300-500rpm difference another 2-5mph can make all the difference between being just to the high side of the success line, and enjoying the results...and coming up just short, with endless frustration. This also applies to a "stingy" speedometer, one that reads slower than actual speed. It's part of the gearhead's curse.</p><p></p><p>The H.V. oil pump isn't strictly necessary but, you're going to be giving this bike a pretty vigorous workout, so the added cooling can only be good.</p></blockquote><p></p>
[QUOTE="69ST, post: 150061, member: 5"] This puts things into clearer focus. Once you've gotten the carb dialed-in, the cam change should give just what you're looking for ~3mph. If if you consider the math, that's roughly a 1hp increase, pretty good for a simple cam swap, imho. In general, with small bikes and marginal power (especially torque) seemingly small differences in output and gearing can have bigger results than intuition might tell you. 300-500rpm difference another 2-5mph can make all the difference between being just to the high side of the success line, and enjoying the results...and coming up just short, with endless frustration. This also applies to a "stingy" speedometer, one that reads slower than actual speed. It's part of the gearhead's curse. The H.V. oil pump isn't strictly necessary but, you're going to be giving this bike a pretty vigorous workout, so the added cooling can only be good. [/QUOTE]
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General Minitrail Talk
Modifications
Sticking a Honda Hot Cam (or DRATV Mini Monster Cam) in a stock 3-speed CT70
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