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Thread: main jet size

  1. 04-19-2006, 06:31 AM #1
    zxken24
    zxken24 is offline Junior Member
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    main jet size

    i have a 1990 lt 80 it's bored one size DG pipe K&N filter head is ported and polished what would be my best bet on changing the MJ any help would be greatful
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  2. 04-19-2006, 07:13 AM #2
    LT80
    LT80 is offline Registered User
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    With a "ported head" I'd say 87.5 or 90 main.
    As allways, let the plug color guide you.
    2000 GNC 5N\
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