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PowerNow for a 400 EXc

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I just recently bought my first Ktm, its is a 05 Ktm 400 EXC. I bought the bike used and the guy who owned it before me put the PowerNow on it. I never felt how the bike ran before the Powernow was put on but some people are telling me it gives it more a 2 stroke feel. The bike feels good but I just want some input on what other people feel about the PowerNow system on the 400 EXC. I was reading the Thread on the PowerNow for the 525 EXC and everyone said it didnt do much of a difference and they said It might do better for smaller bikes.

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I have an 02 400EXC and I put a powernow in it and really could tell no difference. I thought I could at first, but I believe it was just suggestion. I have recently removed it and really could tell no difference at all.

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It will not make more power, probubly hurts a little in peak power. What it will do is make the carb work a bit more precisly at low throttle, thus more responsive and controlable

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