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probably does not apply to your question but I have a power commander on my y2k HD Road King. I did the big bore kit at purchase, from 1450cc to 1550cc, new cam, pistons, bored out the jugs. Dyno says have 88 hp and 90 lbs torque, shop recommended the power commander to smooth out the rich/lean spots, improve throttle response, etc., I can get 45mpg on this bike 2 up on a consistent basis if I don't play with the throttle or hot rod it. If I hot rod it, I get 42-43 mpg, so.... Don't rememeber how much the PC costs, but don't think the power commander is designed for FE, more towards a performance viewpoint, smoothing out the lean/rich spots in the fuel delivery sysem while improved FE is a small benefit. Suggest you look at other issues, possibly clean the plugs, air filter, psi in tires, then look at possible gear changes unless oem tranny prevents this, assume this scooter is a cvt tranny???
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