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Thread: jetting

  1. #1

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    jetting

    i put aftermarket flame arrestors on my 96 xp. Where can i get the jets or jet kit to rejet ther carb?? what are the jets suppost to be?
    its all stock besides that.


  2. #2
    Quote Originally Posted by juggaloXPracer View Post
    i put aftermarket flame arrestors on my 96 xp. Where can i get the jets or jet kit to rejet ther carb?? what are the jets suppost to be?
    its all stock besides that.

    what arrestors? i'd put that stock box back on till you get the right jets

  3. #3
    Moderator RX951's Avatar
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    Here is the jetting below for aftermarket flame arrestors. I would also put the stock air box back on (as recommended above) until you know what the correct jetting is. You don't want to lean seize the motor or squeak a piston from running too lean.

    Main Jet: 150 Front carb / 152.5 Rear carb
    High Speed Screw: ˝ turn Mag / 1 turn PTO
    Low Speed Screw: 1 ˝ turn out
    Needle & Seat: 1.5 (Stock)
    Spring: 65 gram (Stock)
    Comments: Aftermarket flame arrestors w/chokes

  4. #4

    would this apply to xp 800 year 97?

    Hi Rx951, i also do the same with my stock xp 800 with aftermarket flame arrestors, so can i apply the setting that u mention below? i will check my main jets. so far i adjust both 1/2 turn mag and pto for high speed screw, but seems the plug reading pretty good (brownish). should i open more on the rear carb?
    thx
    dre


    Quote Originally Posted by RX951 View Post
    Here is the jetting below for aftermarket flame arrestors. I would also put the stock air box back on (as recommended above) until you know what the correct jetting is. You don't want to lean seize the motor or squeak a piston from running too lean.

    Main Jet: 150 Front carb / 152.5 Rear carb
    High Speed Screw: ˝ turn Mag / 1 turn PTO
    Low Speed Screw: 1 ˝ turn out
    Needle & Seat: 1.5 (Stock)
    Spring: 65 gram (Stock)
    Comments: Aftermarket flame arrestors w/chokes

  5. #5
    96XPSS's Avatar
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    You really need richer pilots, not mains. And it depends on what flame arrestor as to what jetting. Pop-off needs lowering too.

  6. #6
    Moderator RX951's Avatar
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    Quote Originally Posted by 96XPSS View Post
    You really need richer pilots, not mains. And it depends on what flame arrestor as to what jetting. Pop-off needs lowering too.

    tru dat.


    Stock Pilot Jet is 70 (Stock)

  7. #7
    tweeker's Avatar
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    The best jetting for a 96 xp is 75 lows,142.5 mains(stock) stock spring and 2.0 needle and seat tried and true.prolly be 1-1.5 on the mains and 1-1.5 on the low screws

  8. #8
    Tool Bag water worx's Avatar
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    Tweeker's jetting...

  9. #9
    Moderator RX951's Avatar
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    thanks Tweeker !

    juggalo, when/if you rebuild, also don't forget to look at those checkvalves. they are known to crease. replace them if they are.
    example
    http://www.greenhulk.net/forums/show...ed+check+valve
    Last edited by RX951; 06-23-2008 at 07:58 PM.

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