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View Full Version : no HMF power



redexrider4290
05-09-2005, 01:53 PM
i just got a HMF pipe and put it on this weekend i thought it was sopose to give me a lot more power and stuff but i thought i loss power well that s how it felt when i was wheelieing in 3rd usually 3rd was fine but it seemed like it didn;t have the power i ride a 250ex if that changes anything well i didn;t jet the carb because well its all in my other thread called jeting problems or something well do i have to rejet to get the power because as of now that pipe wasn;t worth 300

2001300exguy
05-09-2005, 02:03 PM
yes rejet and ou will love the pipe. and i wouldnt ride with out rejetting or u run the chance of ruining your engine

T.Hopp
05-09-2005, 02:08 PM
You should get improvements at the bottom end. Fatten up the jet a couple sizes over stock. Although a different machine (400EX) there is even a difference in mine between a quiet core and w/out. I'll be comming up your way one day in the near future. I've heard good things from a coworker whom invited me up.

redexrider4290
05-09-2005, 02:09 PM
good i put the pipe on and was expecting to be pulin wheelies all over the place but it had less power was woried there for a secone

RiderTRX400ex
05-09-2005, 05:43 PM
2001300exguy like he said rejet and you will love that pipe man.

redexrider4290
05-09-2005, 06:19 PM
like how much power are we talkin like as soon as i start riding should i notice the power a good bit or is a thing id have to hook up to a dyno to see

RiderTRX400ex
05-09-2005, 06:23 PM
if u jet it right u should see some more bottom and torque... i dont have a 250x so i couldnt really tell ya...

redexrider4290
05-09-2005, 06:28 PM
should i get any mid-range thats wat im looking for i think i really like wheelieing so i want the torque that is going to help me do that i dont like doing it form a dead stop as much as get going then pull it up
and i have a 250ex not x if that changes anything srry if i typed somethin wrong or something

6858-400ex
05-09-2005, 07:22 PM
of course it sucked without jetting it first:rolleyes: :rolleyes: :rolleyes: