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TRX FoFiddy
4fiddy Racer
Joined: 30 Jun 2006
Posts: 231
Location: Mount Isa, North Queensland
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 Posted: Mon Aug 06, 2007 6:40 pm Post subject: jetting qustion |
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hey i recenlt got my 400ex biult to a 440ex with a 450r and i am havinbg sum jetting troubles.
when its sitting there on idel and when i punch the throtle it just dies, but when i give it a bit then give it full it gose fine. i think it might be a tad bit rich 4 the bottom
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Trx450er 2008 Stock For Now 
2000 HONDA 440ex
(Blown Up)
MSN: grant_31291@hotmail.com |
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TRX FoFiddy
4fiddy Racer
Joined: 30 Jun 2006
Posts: 231
Location: Mount Isa, North Queensland
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| Posted: Tue Aug 07, 2007 6:22 pm Post subject: |
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bump
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Trx450er 2008 Stock For Now
2000 HONDA 440ex
(Blown Up)
MSN: grant_31291@hotmail.com |
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ATV PRO
Roostin Away
Joined: 13 Feb 2006
Posts: 888
Location: Central Coast, NSW
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| Posted: Tue Aug 07, 2007 8:35 pm Post subject: |
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Most Honda TRX will flat spot just sitin there stabbing the throttle,does it flat spot when riding it ?
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Cheers
Len
ATV PRO Pty Ltd |
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PeteW
Moderator
Joined: 09 Feb 2006
Posts: 1877
Location: Doreen, Vic
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| Posted: Tue Aug 07, 2007 11:06 pm Post subject: Re: jetting qustion |
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| Fast 440ex wrote: | hey i recenlt got my 400ex biult to a 440ex with a 450r and i am havinbg sum jetting troubles.
when its sitting there on idel and when i punch the throtle it just dies, but when i give it a bit then give it full it gose fine. i think it might be a tad bit rich 4 the bottom |
just having trouble working out your set up there grant, do you have the stock 400EX carb or a later model 450 one? if its the older style carb then when you open the throttle quickly from idle it cant keep up with the throttle opening, if its the later model one the it is dumping too much fuel in too quickly. let us know which carb and what jets and needle are in it.
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www.dirtcomp.com.au |
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TRX FoFiddy
4fiddy Racer
Joined: 30 Jun 2006
Posts: 231
Location: Mount Isa, North Queensland
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| Posted: Wed Aug 08, 2007 2:54 pm Post subject: |
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i got a 05 450r carb on it. my jeting is. needle 4th from top. 180 main, 48 pilot, and air fuel mixture screw 2 3/4.
_________________
Trx450er 2008 Stock For Now
2000 HONDA 440ex
(Blown Up)
MSN: grant_31291@hotmail.com |
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PeteW
Moderator
Joined: 09 Feb 2006
Posts: 1877
Location: Doreen, Vic
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| Posted: Thu Aug 09, 2007 10:27 pm Post subject: |
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try turning the fuel screw in a little, about a 1/4 turn at a time to see if you can feel the difference.
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Last edited by PeteW on Mon Aug 13, 2007 10:58 am; edited 1 time in total |
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TRX FoFiddy
4fiddy Racer
Joined: 30 Jun 2006
Posts: 231
Location: Mount Isa, North Queensland
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| Posted: Fri Aug 10, 2007 8:40 am Post subject: |
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thanks ill try doing that when my new head gasket gets in
_________________
Trx450er 2008 Stock For Now
2000 HONDA 440ex
(Blown Up)
MSN: grant_31291@hotmail.com |
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