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Thread: 86 250r timing on a +4 stroker

  1. 04-22-2015, 11:43 PM #1
    ruffridaz07
    ruffridaz07 is offline Registered User New to the board
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    86 250r timing on a +4 stroker

    Ive gota 86 250r with 87 stroker crank 86 68mm piston air Stryker carb esr reed cage was wondering if I need to advance or retard my timing
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  2. 04-23-2015, 12:05 AM #2
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    yaegerb
    yaegerb is offline yaegerb The day begins with 3WW
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    Stock ignition? If so you can't advance unless you have an aftermarket plate or are running an upgraded ignition.
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  3. 04-23-2015, 12:09 AM #3
    ruffridaz07
    ruffridaz07 is offline Registered User New to the board
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    Got an rpm adjustable
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  4. 04-23-2015, 12:16 AM #4
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    yaegerb
    yaegerb is offline yaegerb The day begins with 3WW
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    I assume you have the +4 adjustable. what is your current compression? You could toy with it +/- 2 degrees but unless you are running really high compression and are retarding for longevity I can't think of any reason why you would want to mess with it.
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  5. 04-23-2015, 12:48 AM #5
    ruffridaz07
    ruffridaz07 is offline Registered User New to the board
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    210 psi. Falls on its face 1/2 - 3/4 throttle
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  6. 04-23-2015, 07:28 AM #6
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    250rRoostmaster
    250rRoostmaster is offline Got The Holeshot Arm chair racerJust too addicted
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    How's your jetting?
    1985 250r-LED Performance 4mm Stroker motor
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  7. 04-23-2015, 11:20 AM #7
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    yaegerb
    yaegerb is offline yaegerb The day begins with 3WW
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    x2, I would ensure your jetting is spot on first.
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  8. 04-29-2015, 10:38 PM #8
    maddog1927
    maddog1927 is offline New to the board Arm chair racerNew to the board
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    +4ish degree.

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