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hmf eco

1877 Views 2 Replies 3 Participants Last post by  foreman lover
Just installed a HMF eco ,other than nice sound dont really notice a change in power .I ordered the eco to keep the dcb down but was expecting some power increase (noticable?).Any comments?
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I have a utility and mine gains tons of power over what it was. The eco should give you half the gain which is 2.5 to 3 horsepower. Do you have it jetted correctly? It took me a couple of days to get mine tuned in right.
As chevync20 said do you have it jetted right? I have the eco, with a uni filter, 130 dj main jet clip on last notch of the needle with a washer under the clip, 2.5 - 3 turns out on the fuel screw, snorkle, and 27" tires. I felt a noticable increase in power, and I see a noticable increase, my buddy has a stock 450 and we race alot, I will give him about a bike length head start and I will walk right by him. When I was stock we would be about even from a dead stop, now I am definately faster. So You must not have the jetting right or something.
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