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Thread: L and H Carb settings on a JLO 297

  1. #1
    LibertyPowered6x6 is offline Registered Rider LibertyPowered6x6 is on a distinguished road
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    L and H Carb settings on a JLO 297

    does anyone have a manual for the carb "L" and "H' screw settings on the JLO 297?? I am going though the engine on one of the Attex 297's that I bought and also rebuilt the carb. Just want to be sure i have everything right before we put it all back together.

    Thanks

  2. #2
    6X6's Avatar
    6X6
    6X6 is offline Johnny 2-Stroke 6X6 is on a distinguished road
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    Hi:
    Is this a Tillotson Carb? I believe I started at 1-1/4 turns out on both the hight and low speed, on a Tillotson HR7A carb. If yours is a different Tillotson, double check with someone who has used that carb.
    Attex 295 Wild Wolf: My Runner
    Attex 252? Colt? Racer 80%: My Racer to be..... SOMEDAY
    Attex Super Chief - Fix-up pending: Hot-Rod to be

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    LibertyPowered6x6 is offline Registered Rider LibertyPowered6x6 is on a distinguished road
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    Quote Originally Posted by 6X6 View Post
    Hi:
    Is this a Tillotson Carb? I believe I started at 1-1/4 turns out on both the hight and low speed, on a Tillotson HR7A carb. If yours is a different Tillotson, double check with someone who has used that carb.
    O sorry.... Yes, it is a Tillotson

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    6X6
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    I would start at 1-1/4 high and low. This is factory for the HR7A, but will be very close if not the same for a similarly sized Tillotson. Gently bottom the needles, tightening them with any force is BAD. And tune from there. I think I remember you saying your into other powersports, correct? If so, you should have it in no-time, and I don't think I needed to mention the gentle on the needles either.
    Last edited by 6X6; 11-09-2008 at 01:42 AM.
    Attex 295 Wild Wolf: My Runner
    Attex 252? Colt? Racer 80%: My Racer to be..... SOMEDAY
    Attex Super Chief - Fix-up pending: Hot-Rod to be

  5. #5
    LibertyPowered6x6 is offline Registered Rider LibertyPowered6x6 is on a distinguished road
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    Quote Originally Posted by 6X6 View Post
    I would start at 1-1/4 high and low. This is factory for the HR7A, but will be very close if not the same for a similarly sized Tillotson. Gently bottom the needles, tightening them with any force is BAD. And tune from there. I think I remember you saying your into other powersports, correct? If so, you should have it in no-time, and I don't think I needed to mention the gentle on the needles either.


    Thanks a lot bud! No offense taken... Ya, i actually have a performance shop here in Mi. Was just looking to find the carb settings so I ddin't have to go look... Computers make me lazy!!

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