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  1. #1

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    97 sltx carb jets

    I think I need to step up 1 jet size,mid and high, the ski is running lean and there is no high needle to adjust if I am not mistaken. I need to know the factory jet sizes and where to get replacement jets, all help is appreciated. I read somewhere a while back that it is a good idea to step up the jets if you switch to premix. The ski is premix and we burnt the front piston a week or so ago, got it back running, running great, when I had the front jug off I pulled the #2 head and the piston was completely covered with carbon, am I understanding correctly, this is a sign of a lean fuel mix?


  2. #2
    Polarisitis loonatik's Avatar
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    High = 148 M | 142 C | 142 PTO
    Mid = 58
    Low = 55
    Low screw = 1 turn

  3. #3

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    what would be a good starting point to try for larger size jets....I have minimal experience with this

  4. #4
    Polarisitis loonatik's Avatar
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    Usually 5 points is a good starting point. Check your piston wash after 1 tank and don't ride WOT extendedly till you have a safe piston wash pattern. That's about 1/4 to 1/3 of dome is clean (no carbon).

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