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Jetting Database
Posted: Mon Apr 09, 2007 5:17 am
by crfsonly
Please keep other info out of this thread. Only answer the questions. Copy and paste to keep format uniform.
Year:
Elevation:
Temperature Range:
Backfire Screen:
Air Filter:
Pilot Jet:
Main Jet:
Needle:
Needle Clip Position:
Fuel Screw Type:
Fuel Screw Setting:
AP Modified:
Leak Jet:
AP Cover:
Exhaust Type:
Exhaust Modified:
2006 450R
Posted: Thu May 31, 2007 11:53 am
by SoCal450R
Year: 2006
Elevation: 0-4000
Temperature Range: 50-100
Backfire Screen: ProMoto screen and tip
Air Filter: Stock
Pilot Jet: 45
Main Jet: 172
Needle: JD red needle
Needle Clip Position: 5th position
Fuel Screw Type: White Brother
Fuel Screw Setting: 2 3/4
AP Modified:
Leak Jet:
AP Cover:
Exhaust Type: stock
Exhaust Modified: ProMoto Spark Arrestor
Posted: Mon Jun 18, 2007 7:56 am
by BB450
Year:
Elevation:
Temperature Range: 90-105
Backfire Screen: no
Air Filter:K&N X stream
Pilot Jet: unknown
Main Jet: 170
Needle: stock
Needle Clip Position: 3rd from bottom
Fuel Screw Type: Tusk
Fuel Screw Setting:1 and 3/4 out
AP Modified: yes, turned in and safety wired
Leak Jet: stock
AP Cover: stock
Exhaust Type: FMF Ti 4
Exhaust Modified: no
Posted: Mon Jun 18, 2007 11:58 am
by nedirtbikr
Year: 2006
Elevation: 1000' - 2500'
Temperature Range: 45 - 100
Backfire Screen: Removed
Air Filter: TwinAir PowerFlow
Pilot Jet: 48
Main Jet: 180
Needle: JD Red
Needle Clip Position: 4
Fuel Screw Type: CRFsOnly
Fuel Screw Setting: 1 1/8 out
AP Modified: Yes (O-Ring/Redbeard mod)
Leak Jet: Stock
AP Cover: Stock
Exhaust Type: Stock
Exhaust Modified: No
Posted: Tue Dec 25, 2007 10:15 am
by fundy
Please keep other info out of this thread. Only answer the questions. Copy and paste to keep format uniform.
Year:
Elevation:
Temperature Range: 40-70f
Backfire Screen: no
Air Filter: dual foam
Pilot Jet: dont know
Main Jet: dont know
Needle: dont know
Needle Clip Position: dont know
Fuel Screw Type: white bros
Fuel Screw Setting: 1 7/8 out
AP Modified:
Leak Jet: dont know
AP Cover:
Exhaust Type: chm
Exhaust Modified: yes
_________________
Posted: Thu Feb 07, 2008 6:37 pm
by krisrtch
Year: 2008
Elevation: 1200-1300 ASL
Temperature Range: 40-100
Backfire Screen: No
Air Filter: Twin Air
Pilot Jet: 42
Main Jet: 170
Needle: Stock
Needle Clip Position: 3rd
Fuel Screw Type: Pro-Action
Fuel Screw Setting: 1.75 out
AP Modified: no
Leak Jet: stock
AP Cover: stock
Exhaust Type: FMF
Exhaust Modified:Mega bomb and 4.1 silencer
Posted: Fri Feb 08, 2008 7:40 am
by hrsey71
Year: 2006
Elevation: 0-70
Temperature Range: 40-80
Backfire Screen: stock
Air Filter: stock
Pilot Jet: stock
Main Jet: stock
Needle: stock
Needle Clip Position: stock
Fuel Screw Type: stock
Fuel Screw Setting: stock
AP Modified: stock
Leak Jet: stock
AP Cover: stock
Exhaust Type: FMF
Exhaust Modified: power bomb and factory 4 blue
Posted: Mon Mar 31, 2008 6:32 pm
by jason4410
please help HAVE A STAGE 3 CAM (HOT CAMS)
Year: 2007
Elevation: 2500 +
Temperature Range:30 deg- 110
Backfire Screen: yes
Air Filter: twin air
Pilot Jet:stock
Main Jet: stock
Needle: stock
Needle Clip Position: stock
Fuel Screw Type: msr
Fuel Screw Setting: 2 out
AP Modified: no
Leak Jet: stock
AP Cover: stock
Exhaust Type: stock
Exhaust Modified: no
PLEASE HELP
_________________
Posted: Sun May 18, 2008 2:26 pm
by 449.4R
Year: 03
Elevation: 2000+
Temperature Range: 60's - 100's
Backfire Screen: Gone
Air Filter: Twin Air
Pilot Jet: 45
Main Jet: 175
Needle: JD Red
Needle Clip Position: 5
Fuel Screw Type: Stock
Fuel Screw Setting: 2
AP Modified: Thick O Ring Mod
Leak Jet: Stock
AP Cover: No
Exhaust Type: Yoshimura
Posted: Tue Dec 30, 2008 12:20 pm
by 4stroker
450R 7
Year: 2007
Elevation: 35 meter
Temperature Range: Spring
Backfire Screen:
Air Filter: Twin Air Powerflow
Pilot Jet: 45
Main Jet: 175
Needle: stock
Needle Clip Position: 3.
Fuel Screw Type: R&D
Fuel Screw Setting: 1
AP Modified: stock
Leak Jet: stock
AP Cover:
Exhaust Type: Akrapovic evolution complete (long pipe)
Exhaust Modified: with 94db insert
Posted: Fri Oct 08, 2010 10:12 am
by DarkCRF
Year: 2005
Elevation: 400 to 1500 ft
Temperature Range: -10C to 30 Celsius
Backfire Screen: Removed
Air Filter: UNI
Pilot Jet: 42
Main Jet: 185
Needle: JD red
Needle Clip Position: 4th from top
Fuel Screw Type: Moose racing
Fuel Screw Setting: 2 1/4 out
AP Modified: O-ring and 2.7mm rivet
Leak Jet: 55
AP Cover: OEM
Exhaust Type: Bill's pipe slip on
2006 Honda CRF 450
Posted: Tue Oct 11, 2011 6:27 pm
by AngrySlinky
Year:2006
Elevation:1000-3000
Temperature Range:50-90
Backfire Screen: Removed
Air Filter: Twin Air
Pilot Jet: 42
Main Jet: 180
Needle: Stock/oem
Needle Clip Position: 4th from the top
Fuel Screw Type: MSR Mixture Screw
Fuel Screw Setting: 2-1/4
AP Modified: Yes full mod
Leak Jet: 55
AP Cover: stock
Exhaust Type: Full Bills
Exhaust Modified: No
Air Box Mod: Yes
Posted: Sun Nov 20, 2011 4:41 pm
by mprentice
Year:2005
Elevation:0-100
Temperature Range:50-90
Backfire Screen: YES
Air Filter: Twin Air
Pilot Jet: 45
Main Jet: 170
Needle: NGGQ
Needle Clip Position: 4th from the top
Fuel Screw Type: Ride Engineering from CRFsOnly
Fuel Screw Setting: 1 7/8
AP Modified: stock
Leak Jet: stock
Exhaust Type: Full FMF Factory 4 w/power bomb
Exhaust Modified: YES
Posted: Tue Feb 28, 2012 6:37 pm
by 2004crf250r
Year: 2004 CRF250R
Elevation: 400ft - 1800ft
Temperature Range: 50f. - 85f.
Backfire Screen: stock
Air Filter: UNI
Pilot Jet: 42
Main Jet: 172
Needle: stock
Needle Clip Position: 5th from top
Fuel Screw Type: R&D
Fuel Screw Setting: 2 turns out
AP Modified: stock
Leak Jet: .
AP Cover: stock
Exhaust Type: stock
Exhaust Modified: no
boseyen quickshot
hot cams stage 1
Posted: Fri Dec 21, 2012 2:04 pm
by der_berger
Year:
Elevation: below sea level-4000
Temperature Range: 60-110
Backfire Screen:
Air Filter: uni
Pilot Jet: 45
Main Jet: 175
Needle: jd red needle
Needle Clip Position: 5th position
Fuel Screw Type: stock
Fuel Screw Setting: 2-3/4
AP Modified:
Leak Jet:
AP Cover:
Exhaust Type: fmf power bomb header and fmf ti powercore muffler
Exhaust Modified: