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Thread: Jetting Sizes

  1. 08-02-2001, 01:43 PM #1
    SNIPA
    SNIPA is offline Member
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    Question Jetting Sizes

    Does anyone know the stock size main jet for a 99 300ex?
    I am going to run a modified airbox and choke removal.
    What size should i change the main jet to acomodate this?
    Thanks in advance.
    How can you roll....when the wheel won't go??
    ---------------------------------------------
    2000 400ex
    Modified stock pipe
    Uni airfilter
    PRM skidplate
    Razor tires
    Moose bars
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  2. 08-02-2001, 08:05 PM #2
    Wheelie
    Wheelie is offline Registered User
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    Call a Honda dealer, ask for the service department.
    2000-440ex Stroker--Fan Cooled

    Houser +1 A-Arms, Elka Triple rates, Laegers +1 1/4 Swingarm, G-Force Axle w/Durablue Anti-Fade Locknut, 14/36 Gearing, DID X-Ring Chain, C&D Revalved Rear, Maier Silver Plastic, Steel Grey PCed Frame, SPAL Fan, AC Bumper, Pro Armour Footpeg Extensions, Renthal Bars, Yoshimura Full Exhaust, 450R Carb w/ZR's Adaptor, K&N w/o Lid, Powroll 440 Stroker w/stg 3 HC, P&P Head, HD rod, GT Thunder HD Studs, and Timing chain, AMR Monster Coil, 4 Degree Advance Key and a 12oz lighter flywheel. Now at 12.5:1 Compression!

    450R Front brake upgrade using 06-up Spindles and 07' hubs.

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    Running E85--Jetting: 70 pilot, 240 main, HRC needle on bottom notch and shimmed.
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  3. 08-02-2001, 10:44 PM #3
    TREX400
    TREX400 is offline Member
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    I looked it up at ronnies.com on the microfiche, it show a
    #122 main jet and a #38 pilot jet. The fiche is usually right.
    2001 Red 400EX
    AC chassis and swingarm skids, shockwears, Uni filter and airbox mod, 165 main 40 pilot jet, WB E-series, alloy bars cr bend, WB blockoff, yz lever and perch, GCD (tinner's) air scoops.

    Other ATV'S
    01' Scrambler 500 (for sale)
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  4. 08-02-2001, 10:50 PM #4
    400exRacerX's Avatar
    400exRacerX
    400exRacerX is offline Sick Style ATV Racing
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    yep its a 122 my friend has a 300 with a pipe, k&n, and no lid and he runs a 128, 40 pilot.
    #71
    2000 Roll/Laeger's/Houser/Axis 416ex

    2001 Arens/Laeger's/PEP 250r

    Thanks to my sponsors for 2003 : 00-Buck ATV Racing, Team Pompton, Nebulae Race Team, Milton Inn Packaged Goods, Napa Auto Parts of Oak Ridge, Sick Style Racing, WD-40, Hinson Racing, IMS, Sport Center Racing, and Nac's racing

    I'd also like to give a special thanks to Baldwin Motorsports for all there help and support they gave me.

    We are now accepting resumes, this is a New Jersey based team. westsyder50@hotmail.com
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  5. 08-09-2001, 07:06 AM #5
    SNIPA
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    jets

    Thanks alot guys....this will get me a good start!!!!!
    How can you roll....when the wheel won't go??
    ---------------------------------------------
    2000 400ex
    Modified stock pipe
    Uni airfilter
    PRM skidplate
    Razor tires
    Moose bars
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  6. 08-09-2001, 09:38 AM #6
    Guest
    Hey that ronnies page is great! I can't wait to break something to use that again!
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