Jetting Database
  • User avatar
    JimDirt
    Posts: 4406
    Joined: Sat Nov 25, 2006 6:31 pm

    by JimDirt » Wed Apr 11, 2007 11:30 pm

    Year: 06
    Elevation: 2400-8000
    Temperature Range: 30-95
    Smog (AIS): None
    Airbox Modified Top: Cut Out
    Airbox Modified Sides: Oval dummy holes cut out
    Backfire Screen: None
    Air Filter: White Bro Power Flow
    Pilot Jet: 45
    Main Jet: 162
    Needle: Stock
    Needle Clip Position: #5
    Fuel Screw Type: STR
    Fuel Screw Setting: 1 3/4
    AP Modified: No
    Leak Jet: 65
    AP Cover: Boysen
    Exhaust Type: Stock Header/Stock R Muff/PMB,Endo/SA/Silent Insert
    Exhaust Modified: Yes
    Pink Wire Modified: Yes/On a Switch
  • bvillercr
    Posts: 1311
    Joined: Wed Jul 19, 2006 7:43 am

    by bvillercr » Tue Apr 17, 2007 10:18 pm

    Year: 05 x
    Elevation: 0-7000
    Temperature Range: 35-110
    Smog (AIS): gone
    Airbox Modified Top:cut
    Airbox Modified Sides: cut
    Backfire Screen: removed
    Air Filter: T/A
    Pilot Jet: 48
    Main Jet: 170
    Needle: jd red
    Needle Clip Position: 3rd
    Fuel Screw Type: str
    Fuel Screw Setting: 1 3/4
    AP Modified: O-ring
    Leak Jet: stock
    AP Cover: stock
    Exhaust Type: full yoshimura
    Exhaust Modified: above
    Pink Wire Modified: yes
    Stage 2 cam
    Last edited by bvillercr on Wed Apr 25, 2007 11:28 pm, edited 1 time in total.
    Image

    too many mods to list, see garage
  • C.Worth
    Posts: 224
    Joined: Sat Oct 07, 2006 10:20 am

    by C.Worth » Sun Apr 22, 2007 5:01 pm

    Year:2006
    Elevation:0-7000
    Temperature Range:45-110
    Smog (AIS):JB WELD
    Airbox Modified Top: CUT
    Airbox Modified Sides:4-WB VENTS R/S
    Backfire Screen:REMOVED
    Air Filter:T/A-BACK FIRE RESISTANT
    Pilot Jet:45
    Main Jet:170
    Needle:RED
    Needle Clip Position:4TH
    Fuel Screw Type:MSR
    Fuel Screw Setting:1-3/4
    AP Modified:O-RING
    Leak Jet:STOCK
    AP Cover:STOCK
    Exhaust Type:WHITE BROS.
    Exhaust Modified: E-2
    Pink Wire Modified:YES
    Last edited by C.Worth on Fri Jun 22, 2007 3:22 pm, edited 2 times in total.
  • Pullhigh
    Posts: 47
    Joined: Tue Mar 13, 2007 7:02 pm

    by Pullhigh » Mon Apr 23, 2007 7:14 am

    Year: '07
    Elevation: 0-2000
    Temperature Range: 30-105
    Smog (AIS): Applied Racing Block Off Kit
    Airbox Modified Top: Yes
    Airbox Modified Sides: No
    Backfire Screen: Gone
    Air Filter: Twin Air BF resistant
    Pilot Jet: Stock
    Main Jet: 170
    Needle: JD Red
    Needle Clip Position: 4th
    Fuel Screw Type: Stock
    Fuel Screw Setting: Stock
    AP Modified: Not needed on '07s
    Leak Jet: Stock
    AP Cover: Stock
    Exhaust Type: Stock
    Exhaust Modified: Baffles Removed
    Pink Wire Modified: No
  • randman1
    Posts: 421
    Joined: Fri Mar 09, 2007 5:31 pm

    by randman1 » Tue Apr 24, 2007 2:49 pm

    Year: 07
    Elevation: 0-6000
    Temperature Range:50-110
    Smog (AIS):blocked
    Airbox Modified Top:under snorkel to seam
    Airbox Modified Sides: no
    Backfire Screen: removed
    Air Filter:twin air power flow
    Pilot Jet: 48
    Main Jet: 165
    Needle: red
    Needle Clip Position:4th
    Fuel Screw Type:msr
    Fuel Screw Setting: 1 1/2 to 2, depends on location
    AP Modified:n/a for 07
    Leak Jet:stock
    AP Cover:QS2
    Exhaust Type: xcr slip on
    Exhaust Modified:96db end
    Pink Wire Modified:no
    Last edited by randman1 on Tue Mar 04, 2008 5:04 pm, edited 1 time in total.
    http://crfsonly.com/forum/garage.php?mo ... le&CID=512
    Remember it's not how well you ride, it's that you ride!!!
    Image
  • mrweeble1
    Posts: 3
    Joined: Tue Apr 24, 2007 10:15 pm

    by mrweeble1 » Wed Apr 25, 2007 9:11 pm

    Year: 06
    Elevation: SL-2000
    Temperature Range: 30-80
    Smog (AIS): stock
    Airbox Modified Top: holes
    Airbox Modified Sides: smaller holes
    Backfire Screen: yes
    Air Filter: stock
    Pilot Jet: stock
    Main Jet: 170
    Needle: JD red
    Needle Clip Position: Middle
    Fuel Screw Type: CRF's only
    Fuel Screw Setting: 1.5 out
    AP Modified: per JD kit
    Leak Jet: stock
    AP Cover: stock
    Exhaust Type: stock
    Exhaust Modified: No
    Pink Wire Modified:No
    _________________
  • 450xFTW
    Posts: 1
    Joined: Thu Apr 26, 2007 9:19 am

    by 450xFTW » Thu Apr 26, 2007 9:23 am

    Year:2005
    Elevation:sea lvl
    Temperature Range:30-100
    Smog (AIS):n\a
    Airbox Modified Top:yes
    Airbox Modified Sides:yes
    Backfire Screen:no
    Air Filter:K&N
    Pilot Jet:48
    Main Jet:192
    Needle:JD red
    Needle Clip Position:6th
    Fuel Screw Type:crfs only
    Fuel Screw Setting:2 3\4
    AP Modified:boyesen QS
    Leak Jet:stock
    AP Cover:boyesen
    Exhaust Type:Big Gun EVO X
    Exhaust Modified:lol
    Pink Wire Modified:yes
    Hotcam stg1 8)
  • MKP
    Posts: 29
    Joined: Mon Mar 19, 2007 7:06 am

    by MKP » Sat Apr 28, 2007 4:30 pm

    Year: 2007
    Elevation: 0-2000'
    Temperature Range: 60-80 F
    Smog (AIS): Block Off kit
    Airbox Modified Top: Yes
    Airbox Modified Sides: No
    Backfire Screen: Stock
    Air Filter: Stock
    Pilot Jet: 45
    Main Jet: 165
    Needle: NCYS
    Needle Clip Position: 3rd
    Fuel Screw Type: Zyp Ty
    Fuel Screw Setting: 1 3/4 turns
    AP Modified: N/A '07 X
    Leak Jet: Stock
    AP Cover: Stock
    Exhaust Type: Stock
    Exhaust Modified: Baffle (2 Discs & Spark Arrester cut)
    Pink Wire Modified: No
    _________________
    '07 CRF450X (mine), '07 CRF150F (Daughter), '06 TTR50e (Son #1), '06 TTR50e (Son #2)
  • tootall424
    Posts: 7
    Joined: Tue May 22, 2007 8:30 pm

    by tootall424 » Thu Jun 07, 2007 2:05 pm

    Location: Proctor, WV
    Year: 2006
    Elevation: 500-1500
    Temperature Range: 30-100
    Smog (AIS): n/a
    Airbox Modified Top: Yes
    Airbox Modified Sides: No
    Backfire Screen: Removed
    Air Filter: Twin Air
    Pilot Jet: stock
    Main Jet: 170
    Needle: JD Red
    Needle Clip Position: Middle
    Fuel Screw Type: CRF's Only
    Fuel Screw Setting: 1 1/8
    AP Modified: stock
    Leak Jet: stock
    AP Cover: stock
    Exhaust Type: White Bros E2
    Exhaust Modified: yes
    Pink Wire Modified: no
  • jacko
    Posts: 98
    Joined: Sun May 13, 2007 10:52 am

    by jacko » Tue Jun 12, 2007 1:01 am

    Year: 2006
    Last edited by jacko on Wed Jan 16, 2008 2:10 am, edited 2 times in total.
  • User avatar
    scott_thomp79
    Posts: 2
    Joined: Sat Sep 09, 2006 3:03 pm

    by scott_thomp79 » Fri Jun 15, 2007 8:59 am

    Location:Vancouver, Canada
    Year: 2005
    Elevation: 0-2400,
    Temperature Range:0-18C
    Smog (AIS): no
    Airbox Modified Top:no
    Airbox Modified Sides: 1 side
    Backfire Screen: gone
    Air Filter: stock
    Pilot Jet: 148
    Main Jet: from 160 to 175 wow
    Needle: stock
    Needle Clip Position:4
    Fuel Screw Type: stock
    Fuel Screw Setting: 2 1/4 to ? still playing
    AP Modified: no
    Leak Jet: stock
    AP Cover: no
    Exhaust Type:stock R,installing a B&B
    Exhaust Modified: yes
    Pink Wire Modified:NO
    Sprockets:offroad-stock onroad-15/45
    Raked: 3/4"
  • User avatar
    djh65
    Posts: 1635
    Joined: Mon Jan 29, 2007 3:53 pm

    by djh65 » Fri Jun 15, 2007 11:45 am

    Location: Santa Rosa California
    Year: 2006
    Elevation: 100-1500
    Temperature Range:40-105
    Smog (AIS):Removed
    Airbox Modified Top: Yes
    Airbox Modified Sides: No
    Backfire Screen: Removed
    Air Filter:Twin air
    Pilot Jet: Stock
    Main Jet: 165
    Needle: JD red
    Needle Clip Position:3rd
    Fuel Screw Type: STR
    Fuel Screw Setting:1 1/4
    AP Modified:O ring
    Leak Jet: stock
    AP Cover: Quick shot 2
    Exhaust Type:Stock
    Exhaust Modified:Baffle removed
    Pink Wire Modified: No
    06 HD450X made in america.
    Faster and faster til the thrill of speed overcomes the fear of death!!!!
    Image
  • User avatar
    Scheky
    Posts: 46
    Joined: Thu Apr 06, 2006 4:59 pm

    by Scheky » Mon Jul 09, 2007 10:49 am

    Year: 05
    Elevation: 3000-5500 most of the time
    Temperature Range:
    Smog (AIS): AP Block Off
    Airbox Modified Top: Yes
    Airbox Modified Sides: Yes
    Backfire Screen: Removed
    Air Filter: Twin-Air Flame Resistant
    Pilot Jet: Stock
    Main Jet: 162
    Needle: JD Red
    Needle Clip Position: 4th
    Fuel Screw Type: Factory R & D
    Fuel Screw Setting: 1 1/4
    AP Modified: Small O-Ring
    Leak Jet: .065?
    AP Cover: Stock
    Exhaust Type: 05 450R Pipe
    Exhaust Modified:
    Pink Wire Modified: Yes
    05 450X
    Applied Block off kit
    Applied vent kit
    Factory R & D Fuel screw
    WC Skid Plate, Jet Kit,
    Air box Mod, 170, 11/4, Tugger
    R pipe
  • mattscrf450x7
    Posts: 21
    Joined: Sun Aug 26, 2007 1:06 am

    by mattscrf450x7 » Wed Aug 29, 2007 9:48 pm

    Year: 2007
    Elevation: 0-5000
    Temperature Range: mid 80s to 105
    Smog (AIS): eliminated
    Airbox Modified Top: yes
    Airbox Modified Sides: no
    Backfire Screen: yes
    Air Filter: fast 3 pre oiled
    Pilot Jet: 42
    Main Jet: 170
    Needle: ncvs
    Needle Clip Position: 4th poition down
    Fuel Screw Type: stock
    Fuel Screw Setting: stock
    AP Modified: stock
    Leak Jet:stock
    AP Cover: stock
    Exhaust Type: 04 450r
    Exhaust Modified:yes
    Pink Wire Modified:yes
    Last edited by mattscrf450x7 on Thu Nov 15, 2007 1:28 pm, edited 1 time in total.
  • User avatar
    Skoot22
    Posts: 2380
    Joined: Sun Sep 03, 2006 9:51 pm

    by Skoot22 » Mon Sep 10, 2007 6:10 pm

    Year: 05
    Elevation: 1500' to 9500' tested
    Temperature Range: 40 to 115*
    Smog (AIS): JB welded
    Airbox Modified Top: gone
    Airbox Modified Sides: gone
    Backfire Screen: gone
    Air Filter: stock
    Pilot Jet: 42
    Main Jet: 168
    Needle: NCVS
    Needle Clip Position: 3rd
    Fuel Screw Type: MSR
    Fuel Screw Setting: 2 Turns out
    AP Modified: Not Needed
    Leak Jet: stock
    AP Cover: stock
    Exhaust Type: stock
    Exhaust Modified: baffle removed
    Pink Wire Modified: nope
    Scott
    05 CRF450X
    Bakersfield, Ca
    Image

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