JETTING - FINAL ANSWER



7 replies to this topic
  • SNF

Posted June 19, 2002 - 11:01 AM

#1

Let's put it all in one place. A list of WHAT WORKS... If you're up for it, please list your setup... but only if it works really really good. Be specific. (Jetting specs only in this thread. Start a new thread if you have any questions regarding a set up you may see here.)

Ok, here we go.... :)

'00 WR 400
YZ timed
YZ pipe with a Vortip
throttle stop mod, airbox cover removed, operating at 400 to 1200 above sea level, Northeast rocks, sometimes pinebarrens sand.

175 main
48 pilot
OBDVR needle clip 4th down from top
pilot fuel screw 1-3/4 out
anything not listed is stock

[ June 19, 2002: Message edited by: SNF ]

  • Hick

Posted June 19, 2002 - 11:18 AM

#2

SW Chihuahuan Desert
4,000 to 5,000 ft.
80 to 100 degrees
10% – 30% humidity
Stock ’01 YZF 426

160 main
40 pilot
EKQ 3
~ 85 PAJ
MAJ removed
1.5 out on idle
Accelerator pump stroke shortened to ~ 1 mm.

  • racemile

Posted June 19, 2002 - 12:37 PM

#3

See the sig

Race

  • nate_jackson

Posted June 19, 2002 - 03:40 PM

#4

2001 WR426F Stock jetting no air box lid uni air filter - full White Bros. E-series Eliptical exhaust with Ti-Header pipe no grey wire stock timing 2200Ft 60-80 Degrees 5 Discs on the silencer runs well but mild , just removing the spark arrestor runing open she Screems for a 6th gear and really tore up the rear tire rather quickly :-)

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  • LarryCO

Posted June 20, 2002 - 05:38 AM

#5

Spring/Summer in Denver/Moab:
4K-10K ft - 50-90F

38PJ/65PAJ/EKP#3/1.5 turns/150MJ/160MAJ

Stock uncorked pipe, BK mod, WR timing

[ June 20, 2002: Message edited by: LarryCO ]

  • Tim_in_WA

Posted June 20, 2002 - 06:04 AM

#6

500' to 6000' ft. elev. / 50-90 degrees F'

2000 WR400FM (Canadian model: No gray wire or throttle stop), WR Timing, airbox lid removed, BK Mod, stock exhaust with Vortip.

DRN#3/MJ158/MAJ160/PAJ60/PJ38/FS 1.25-1.5 turns

  • Taffy

Posted June 20, 2002 - 10:58 AM

#7

in the signature :) :D

Taffy

  • Tak

Posted June 20, 2002 - 11:17 AM

#8

Ryde COOL, Ryde BLUE....!!! Way to go guys.




 
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