Jetting Database
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    crfsonly
    Owner
    Posts: 9651
    Joined: Thu Apr 01, 2004 3:45 pm

    Jetting Database

    by crfsonly » Mon Apr 09, 2007 5:12 am

    Please keep other info out of this thread. Only answer the questions. Copy and paste to keep format uniform.


    Year:
    Elevation:
    Temperature Range:
    Smog (AIS):
    Airbox Modified Top:
    Airbox Modified Sides:
    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:
    Pink Wire Modified:
    Last edited by crfsonly on Fri Jul 29, 2011 9:18 am, edited 8 times in total.
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    paul turner
    Posts: 7578
    Joined: Thu Sep 22, 2005 9:03 pm

    by paul turner » Mon Apr 09, 2007 7:10 am

    Year: '05
    Elevation: 2500'-9500'
    Temperature Range: 34-100deg.
    Smog (AIS) N/A
    Airbox Modified Top: gone
    Airbox Modified Sides: gone
    Backfire Screen: gone
    Air Filter: UNI 2 stage
    Pilot Jet: 45
    Main Jet: 170
    Needle: JD Red
    Needle Clip Position: 4th
    Fuel Screw Type: xr's only
    Fuel Screw Setting: 1.75-2.25
    AP Modified: o-ring
    Leak Jet: stock
    AP Cover: Boyesen APC
    Exhaust Type: TwoBro Slipon
    Exhaust Modified: yes
    Pink Wire Modified: yes
    '05 R Cam
    36mm TRX intake valves


    paul
    Last edited by paul turner on Sun May 24, 2009 7:25 pm, edited 2 times in total.
    If you ain't crashin', you ain't ridin' :-)
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    nminus1
    Posts: 3613
    Joined: Mon May 01, 2006 11:16 am

    by nminus1 » Mon Apr 09, 2007 7:18 am

    Year: '05
    Elevation: 2500'-8500'
    Temperature Range: 34-100deg.
    Smog (AIS): GONE
    Airbox Modified Top: cut open
    Airbox Modified Sides: Cut left side, holes right side
    Backfire Screen: gone
    Air Filter: T/A fire retardant
    Pilot Jet: 48
    Main Jet: 170
    Needle: JD Red
    Needle Clip Position: 5th (r cam)
    Fuel Screw Type: CRF's only
    Fuel Screw Setting: 1.5
    AP Modified: Yes-wired
    Leak Jet: stock
    AP Cover: Boyesen
    Exhaust Type: WB E2
    Exhaust Modified: standard 96 db end cap
    Pink Wire Modified: no
    Last edited by nminus1 on Sat May 16, 2009 10:54 am, edited 4 times in total.
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    SoylentGreen
    Posts: 253
    Joined: Thu Jan 26, 2006 7:28 pm

    by SoylentGreen » Mon Apr 09, 2007 7:58 am

    Year: 2005
    Elevation: 1500-6000?
    Temperature Range: 30-90F
    Smog (AIS): Blocked Off
    Airbox Modified Top: Yes
    Airbox Modified Sides: Door Side only
    Backfire Screen: Gone
    Air Filter: Twin-Air w/flame resist on stock frame
    Pilot Jet: 45
    Main Jet: 170
    Needle: JD Red
    Needle Clip Position: 4th
    Fuel Screw Type: STR
    Fuel Screw Setting: 1-3/4
    AP Modified: No
    Leak Jet: Stock
    AP Cover: Boysen QS
    Exhaust Type: 450R Full
    Exhaust Modified: Above
    Pink Wire Modified: Yes
    Image
  • User avatar
    chinodiesel
    Posts: 20
    Joined: Wed Aug 16, 2006 3:42 pm

    by chinodiesel » Mon Apr 09, 2007 10:08 am

    Year: 2005
    Elevation: 3200'-5500'
    Temperature Range: 30F-90F
    Smog (AIS): N/A
    Airbox Modified Top: yes
    Airbox Modified Sides: yes
    Backfire Screen: gone
    Air Filter: Twin Air w/ stock frame
    Pilot Jet: 48
    Main Jet: 165
    Needle: stock
    Needle Clip Position: 5th
    Fuel Screw Type: stock
    Fuel Screw Setting: 1 1/2-1 3/4
    AP Modified: no
    Leak Jet: 50
    AP Cover: Boysen QS
    Exhaust Type: stock w/ power bomb header
    Exhaust Modified: baffle removed
    Pink Wire Modified: yes
    if your not going fast enough...speed up!
    ______
    05 450X
    Twin Air/air box mod 1&2
    backfire screen-gone
    boysen quick shot
    JD Jet kit:
    170,50, red-4th position, big O ring
    FMF powercore/power bomb
    pink wire mod
  • User avatar
    JAWS
    Posts: 4449
    Joined: Fri Jun 16, 2006 6:59 am

    by JAWS » Mon Apr 09, 2007 10:44 am

    Year: 05 450X
    Elevation: 600'
    Temperature Range: 32-115
    Smog (AIS): blocked
    Airbox Modified Top: snorkel removed
    Airbox Modified Sides: cut
    Backfire Screen: removed
    Air Filter: Twin Air
    Pilot Jet: 48
    Main Jet: 170
    Needle: JD red
    Needle Clip Position: 4th clip
    Fuel Screw Type: CRFSOnly
    Fuel Screw Setting: 1-1/4 out
    AP Modified: no
    Leak Jet: stock
    AP Cover: stock
    Exhaust Type: stock
    Exhaust Modified: baffles removed
    Pink Wire Modified:no
    Image
    '05 CRF450X,McClain suspension, Cycra Probends, Pastrana FMX Pro Tapers,BRP Sub mount & Scotts stabilizer.See carb sticky for more
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    OLDFATGUY
    Posts: 743
    Joined: Tue Nov 29, 2005 4:29 pm

    by OLDFATGUY » Mon Apr 09, 2007 3:59 pm

    Year: 05
    Elevation: SEA LEVEL
    Temperature Range: 30-100
    Smog (AIS): NONE
    Airbox Modified Top: FULL CUT OUT
    Airbox Modified Sides: NO
    Backfire Screen: NO
    Air Filter: TWINN AIR
    Pilot Jet: 42
    Main Jet: 165
    Needle: RED
    Needle Clip Position: 4TH
    Fuel Screw Type: XR'S ONLY CABLE
    Fuel Screw Setting: 1-1/8
    AP Modified: RUBBER O-RING
    Leak Jet: 55- I THINK
    AP Cover: STOCK
    Exhaust Type: MRD FULL SYSTEM
    Exhaust Modified:
    Pink Wire Modified NO
    Image
  • xman
    Posts: 509
    Joined: Wed Oct 05, 2005 5:29 pm

    by xman » Mon Apr 09, 2007 4:11 pm

    Year: 05
    Elevation: 1500-4000
    Temperature Range: 40-100
    Smog (AIS): gone
    Airbox Modified Top: yes
    Airbox Modified Sides: yes
    Backfire Screen: GONE
    Air Filter: T/A W/cage
    Pilot Jet:45
    Main Jet: 170
    Needle: JD red
    Needle Clip Position: 4th
    Fuel Screw Type: Zip-ty
    Fuel Screw Setting: 1 1/2
    AP Modified:no
    Leak Jet: stock
    AP Cover:Boyesen Quick Shot
    Exhaust Type:FMF Powerbomb/E2 slip-on
    Exhaust Modified: duh
    Pink Wire Modified:yes
    Stage 2 Hot Cam
    8)
    Last edited by xman on Tue Apr 10, 2007 11:08 am, edited 1 time in total.
    Could you repeat that? In English this time!
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    dirty mike
    Posts: 265
    Joined: Mon Aug 14, 2006 9:11 pm

    by dirty mike » Mon Apr 09, 2007 5:43 pm

    Year:06 450x
    Elevation:1000-5000
    Temperature Range:25-100
    Smog (AIS):removed
    Airbox Modified Top:yes
    Airbox Modified Sides:no
    Backfire Screen:yes
    Air Filter:uni
    Pilot Jet:45 stock
    Main Jet:170
    Needle:ncvs
    Needle Clip Position:3th position
    Fuel Screw Type: r&d
    Fuel Screw Setting:2-2 1/4
    AP Modified:no
    Leak Jet:stock
    AP Cover:no
    Exhaust Type:white bros e2 with s/a
    Exhaust Modified:e2
    Pink Wire Modified:no
    Last edited by dirty mike on Sun Aug 10, 2008 10:12 pm, edited 1 time in total.
    06 crf450x
    e2 pipe
    flatland rad guards
    flatland skid plate
    07 150r expert
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    pgiinc
    Posts: 300
    Joined: Wed Oct 18, 2006 9:36 pm

    by pgiinc » Mon Apr 09, 2007 6:26 pm

    Year: 2006
    Elevation: 200'
    Temperature Range:45 90
    Smog (AIS): N/A
    Airbox Modified Top:yes
    Airbox Modified Sides:no
    Backfire Screen:removed
    Air Filter:dual stage
    Pilot Jet: 48
    Main Jet: 165
    Needle: JD Jet
    Needle Clip Position:4th
    Fuel Screw Type: stock
    Fuel Screw Setting: 1 5/8
    AP Modified: big o ring from JD kit
    Leak Jet: no change
    AP Cover: Boyseen quickshot
    Exhaust Type: stock
    Exhaust Modified: modded the baffle
    Pink Wire Modified:no
    Scotts Stablizer,BRP Sub mount, Rekluse Pro,JD JET KIT(red needle 4th clip)165 main, fuel screw 1 3/4,48 pilot, big O ring on the pump lever out of JD kit, Boyseen Quickshot. Top air box Mod.Dual stage filter,FMFPowerBOMB,Yosh TRC carbon fiber Exhaust
  • User avatar
    mdmasher
    Posts: 40
    Joined: Fri Sep 29, 2006 7:33 pm

    by mdmasher » Mon Apr 09, 2007 9:07 pm

    Year: 2005
    Elevation: 150'-5500'
    Temperature Range:40 - 100
    Smog (AIS): JB weld
    Airbox Modified Top: Yes
    Airbox Modified Sides: No
    Backfire Screen: Removed
    Air Filter: Twin Air / stock cage
    Pilot Jet: 45
    Main Jet:165
    Needle: NCVS
    Needle Clip Position: 3rd
    Fuel Screw Type: Sunline
    Fuel Screw Setting: 1-1/2 to 1-3/4
    AP Modified: Stock
    Leak Jet: #50
    AP Cover: Stock
    Exhaust Type: Full CHM system
    Exhaust Modified: with removable baffle
    Pink Wire Modified:Yes
    Last edited by mdmasher on Mon Jul 02, 2007 7:31 pm, edited 1 time in total.
    05 CRF450X WC,plate&brace.Devol rad. Hand guards.jet.165M #50L.air mods w/twin air filter.Pink.Clarke3.4. CHM pipe.
    80 XR500R old school
    05 Raptor 350 Wifes, Nerf.skids.+
    04 TRX250EX Daughters,Nerf.+
    85 FL350R Odyssey Kick in the A.
  • User avatar
    bocephus450x
    Posts: 3664
    Joined: Thu Sep 14, 2006 9:51 am

    Re: HOW TO: CARB JETTING DATABASE

    by bocephus450x » Tue Apr 10, 2007 10:19 am

    Year: 05
    Elevation: 0-5,000 ft
    Temperature Range: 40 - 90 F
    Smog (AIS): Gone
    Airbox Modified Top: Removed Snorkel
    Airbox Modified Sides: Opened Vents
    Backfire Screen: Removed
    Air Filter: Twin Air
    Pilot Jet: 42
    Main Jet: 170
    Needle: NCVS
    Needle Clip Position: 3rd from Top
    Fuel Screw Type: Stock
    Fuel Screw Setting: 2 Turns
    AP Modified: Stock
    Leak Jet: Stock
    AP Cover: Stock
    Exhaust Type:Stock
    Exhaust Modified: Removed 1st baffle and drilled 3/4" hole in the 2nd...was running with it removed entirely
    Pink Wire Modified: Still Connected
    There's no right way to eat a Rhesus
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  • User avatar
    devistation
    Posts: 352
    Joined: Tue Jun 21, 2005 8:39 pm

    by devistation » Tue Apr 10, 2007 5:51 pm

    Year: 2005 450X
    Elevation: 0 - 6000
    Temperature Range: 40's -100's
    Smog (AIS): Applied block off
    Airbox Modified Top: Hacked
    Airbox Modified Sides: Cut
    Backfire Screen: Removed
    Air Filter: Twin Air
    Pilot Jet: #45
    Main Jet: #170
    Needle: J/D Red
    Needle Clip Position: 4th clip
    Fuel Screw Type: CRF's T handle
    Fuel Screw Setting: 1 1\2
    AP Modified: Yes (wired)
    Leak Jet: stock
    AP Cover: stock
    Exhaust Type: FMF Titanium PowerCore
    Exhaust Modified: The stock Exhaust has Both disk's cut on the baffle
    Pink Wire Modified: No
  • User avatar
    Tattooart
    Posts: 415
    Joined: Thu Jun 15, 2006 1:47 pm

    by Tattooart » Tue Apr 10, 2007 7:28 pm

    Year: 2006
    Elevation: 2500-7500
    Temperature Range: 40-90
    Smog (AIS): Removed
    Airbox Modified Top: Gone
    Airbox Modified Sides: Big holes
    Backfire Screen: Removed
    Air Filter: Twin air
    Pilot Jet: 45
    Main Jet: 190
    Needle: JD red
    Needle Clip Position: 4th
    Fuel Screw Type: xr's only
    Fuel Screw Setting: 1 3/4
    AP Modified: No
    Leak Jet: n/a
    AP Cover: n/a
    Exhaust Type: MRD
    Exhaust Modified: n/a
    Pink Wire Modified: n/a
    Last edited by Tattooart on Wed May 09, 2007 10:02 pm, edited 2 times in total.
  • gj2slick

    by gj2slick » Tue Apr 10, 2007 7:32 pm

    Year: 2005
    Elevation: 2000-4500
    Temperature Range: 30-120
    Smog (AIS):1x blockoff
    Airbox Modified Top:yes
    Airbox Modified Sides: yes
    Backfire Screen: none
    Air Filter:Twin Air
    Pilot Jet: 48
    Main Jet:178
    Needle: NCVS
    Needle Clip Position: 4th
    Fuel Screw Type:crf,s only
    Fuel Screw Setting:2 give or take
    AP Modified: thick o-ring
    Leak Jet:stock
    AP Cover:stock (for now)
    Exhaust Type:DRD full system(R style header)
    Exhaust Modified: yes
    Pink Wire Modified:testing both ways
    _________________
    Last edited by gj2slick on Sun Apr 05, 2009 12:11 pm, edited 3 times in total.

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