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PIMPIN THE 400EX PIMPIN THE 400EX
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  #31 (permalink)  
Old 02-07-2004, 12:16 AM
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whatever that screw is that is right under the float bowl !!! I call it an air screw.
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  #32 (permalink)  
Old 02-07-2004, 12:19 AM
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under the carb theres a bowl drain screw ,i opened it and out it came,theres a pilot screw a little higher
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  #33 (permalink)  
Old 02-07-2004, 12:22 AM
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the pilot screw is the richer leaner screw so i'll mess wit dat.....maybe i need to change pilot jet???
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  #34 (permalink)  
Old 02-07-2004, 12:54 AM
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YUP....thats it ,about 4 and a half turns out and it runs great (warm) so the question it how much larger do i jet the pilot (stock now)
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  #35 (permalink)  
Old 02-07-2004, 01:29 AM
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You should only have to go out 2 and 1/2 turns max! I would say either go with a 40 or 42 pilot jet.

Also here is a guide for jetting I found very useful:

http://www.exriders.com/techarticles/jetting.html
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2002 Red 400ex- Renthal Handlebars, Full Skids, White Brothers E-series, Knarlys+douglass' on back, Holeshot XCTs+ITPs on front, DG Nerfs and Bumper, Ceet Gripper Seat Cover, Race Cut Front Fenders, Acerbis Handguards, Pro Design Kill Switch, Shockwears, K&N Air Filter/outerwear, Tinner Air Scoops,Cr Clutch Lever, Denton Steering Stabilizer
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  #36 (permalink)  
Old 02-07-2004, 01:45 AM
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yes that what i figured...so does anyone have an extra 40 or 42 pilot jet for a 400ex and save this rider some money on a whole kit????

or can ya buy just one??
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  #37 (permalink)  
Old 02-07-2004, 06:27 PM
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OK i went and got a #42 at pompton honda just 3.99 and a world of difference....thanks!
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  #38 (permalink)  
Old 02-08-2004, 01:26 AM
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Quote:
Originally posted by hcr400ex@Feb 6 2004, 08:29 PM
Also here is a guide for jetting I found very useful:

http://www.exriders.com/techarticles/jetting.html
EXCELLENT link, HCR ... thanx for sharing

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