Headz400
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Location: Miami lakes (hialeah)
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« on: March 27, 2005, 03:46:03 PM » |
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Ive heard of people taking off their silencer. I took it off on my z400 and it increased acc. a lil. Would it be good to run it like this w/o the silencer i mean their aint much the silencer does, but im afraid ill be running lean or something.
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Chuck_Norris
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« Reply #1 on: March 27, 2005, 04:53:05 PM » |
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anything your do to increase flow in or out will require increased jetting to avoid the lean conditions. most quads come from the factory already lean. I am running the JET4POWER system on my YFZ450 so knowing where I am is as easy a reading the meter
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Headz400
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« Reply #2 on: March 27, 2005, 06:59:15 PM » |
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So would it still be ok to run it without the silencer?
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Chuck_Norris
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« Reply #3 on: March 27, 2005, 07:41:24 PM » |
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So would it still be ok to run it without the silencer? make a run at WOT, turn the bike off and read the spark plug if it is white or the header is glowing then you are way to lean. |
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Headz400
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« Reply #4 on: March 27, 2005, 08:13:13 PM » |
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wats WOT?
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atvtrailer
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« Reply #5 on: March 27, 2005, 08:22:36 PM » |
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wide open throttle  |
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05 450r #13B
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2Raptors
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« Reply #6 on: March 28, 2005, 03:49:07 AM » |
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Start with a new plug then run wide open thru the gears turn around and run wide open back, then pull your plug to check color. White=lean, tan=good, brown/black=rich
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Axo
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« Reply #7 on: March 28, 2005, 04:01:03 AM » |
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You will want alittle back pressure. I dont recommend running an open header.
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2003 Raptor 660, Red/Blk, White Bros R4, Jet Kit, Pro Design Pro flow Kit, IMS Pegs,IMS Heel guards,AC Nerfs, AC Front Bumper, 5" rear wheel spacers, 3" front wheel spacers.
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Headz400
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« Reply #8 on: March 28, 2005, 01:34:08 PM » |
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ok so if i am running lean w/o the silencer i mean would it mess up the bike?
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koh0001
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« Reply #9 on: March 28, 2005, 03:38:56 PM » |
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it will Burn up the pistons.mabe a hole right in the middle.  |
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2006 680 Rincon- HMF pipe, snorkle, rad relocated, 2 1/2" lift, highlifter springs
2004 LSR CRF 450r Hybrid MX, nolink swinger
2001 LSR 330R -XC setup, nolink swinger
1988 TRX 344R TT nolink swinger, PEP's
07 Eiger 400, HMF pipe, snorkle, crushlocks & 28" Outlaws
1994 TRX 90 Dual A arms
2 atc 70's
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Headz400
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« Reply #10 on: March 28, 2005, 04:16:44 PM » |
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So in order to ride it like i would have to jet it correct? to what size would be good? i dont plan on doin anything else cause i dont really race that much. im mostly trails. just like how the bike sounds like that w/o having to spend money on an exhaust.
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KFXhead
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« Reply #11 on: March 29, 2005, 12:36:52 PM » |
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Spend the money on an exhaust that was engineered to do what you want without compromising your engine. I can guarantee you that a holed piston will cost more than $250 that a good pipe would cost you. JMHO. Take out the spark arrestor from your stock pipe & it will sound better or louder like you want & no problems with jetting.
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Headz400
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« Reply #12 on: March 29, 2005, 01:41:30 PM » |
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Wat exhaust can i get for $250? Are u talkin about slip-on or the whole system?
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2Raptors
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« Reply #13 on: March 29, 2005, 06:13:23 PM » |
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Ebay
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KFXhead
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« Reply #14 on: March 30, 2005, 10:06:15 AM » |
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Slip-on. I have the KFX version of your ride & I just put a white bros e-series on it & it made a big difference.
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Headz400
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Location: Miami lakes (hialeah)
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« Reply #15 on: March 30, 2005, 03:16:44 PM » |
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i think imma go with the HMF slip-on. on ebay it was for like $269 with a jet kit and filter.
Would the gains be very noticable?
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Da_Mtg_Man
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« Reply #16 on: March 30, 2005, 03:21:33 PM » |
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Get Curtis Sparks if you have or plan to have some serious motor mods. If not then go with the W. B. E-series. It is hands down the second best pipe for the Z400. I've seen it in action and it produces huge power.
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FLORIDA MUD RIDER
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Headz400
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« Reply #17 on: March 30, 2005, 03:37:40 PM » |
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I dont plan on doin serious engine work just the basic like filter kit, jet it and slip-on.
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KFXhead
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« Reply #18 on: March 31, 2005, 11:50:52 AM » |
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I was lucky to find a like new White Bros E-Series from a friend of "da mtg man's" on this site for sale & he hooked me up for $140 cash & it looks like new. To answer your question, YES you will see & feel a difference. I did & I love it!!!
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Z-rider03
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when does hobby turn into a sickness?
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« Reply #19 on: March 31, 2005, 06:37:57 PM » |
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call leesons motors, you can get a brand new hmf slip on with jet kit and uni air filter for 220. hmf rocks, check out dirt wheels pipe shootout, best powerband from bottom to top. its true.
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Z-rider03
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when does hobby turn into a sickness?
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« Reply #20 on: March 31, 2005, 06:39:40 PM » |
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leesons motors 1-866-leesons
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