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TRX FoFiddy 4fiddy Racer

Joined: 30 Jun 2006 Posts: 231 Location: Mount Isa, North Queensland  |
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 _________________ Trx450er 2008 Stock For Now
2000 HONDA 440ex
(Blown Up)
MSN: grant_31291@hotmail.com |
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Sponsor  |
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TRX FoFiddy 4fiddy Racer

Joined: 30 Jun 2006 Posts: 231 Location: Mount Isa, North Queensland  |
Posted: Tue Aug 07, 2007 6:22 pm Post subject: |
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bump _________________ 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  |
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 ? _________________ Cheers
Len
ATV PRO Pty Ltd |
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PeteW Moderator

Joined: 09 Feb 2006 Posts: 1877 Location: Doreen, Vic  |
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. _________________
www.thumbpump.com
www.dirtcomp.com.au |
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TRX FoFiddy 4fiddy Racer

Joined: 30 Jun 2006 Posts: 231 Location: Mount Isa, North Queensland  |
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  |
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. _________________
www.thumbpump.com
www.dirtcomp.com.au
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  |
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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