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Thread: outboard stripped spark plug thread

  1. 12th September 2009, 05:54 PM #1
    Randylandy
    Randylandy is offline Master
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    outboard stripped spark plug thread

    Just bought a new(old) boat with a old v4 Johnson 60hp on the back. pulled one of the plugs out and found the plug has been cross threaded or over tightened and has striped the thread. Is there any way to fix this or is it time for a new head? Also if anyone has one of these motors could you please post a pick of the throttle linkage set up under the cowl as mine is missing. Model number is VX13A and guessing it is of a 1970's vintage.

    Cheers
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  2. 12th September 2009, 06:18 PM #2
    Sprint
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    helicoil?
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  3. 12th September 2009, 06:30 PM #3
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    87County
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    Your local tame head reconditioning service can probably helicoil it with the engine in situ without even dismantling...............

    ... take it in on the trailer...
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  4. 12th September 2009, 06:43 PM #4
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    Bearman
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    Quote Originally Posted by Sprint View Post
    helicoil?
    X2. No need for a new or reco head. Helicoil will make it as good as a new one.
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  5. 12th September 2009, 06:48 PM #5
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    Blknight.aus
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    Helicoil it, ITs a DIY process if you want to buy the gear and shouldnt cost you more than about $70 if its easy to get at to have a mechanic do it.
    Dave

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  6. 13th September 2009, 09:13 PM #6
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    paulthepilot_5
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    There are also special helicoil like repair kits for spark plug threads, I think they are a little cheaper than the standard Helicoil Kits.

    Paul
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  7. 13th September 2009, 11:00 PM #7
    mike 90 RR Guest
    Quote Originally Posted by Randylandy View Post
    Also if anyone has one of these motors could you please post a pick of the throttle linkage set up under the cowl as mine is missing. Model number is VX13A and guessing it is of a 1970's vintage.

    Cheers
    I have the V4 135hp / 1975 vintage ... plus have a FULL repair manual on most of these motors ....

    If you could post up a pic of the motor with the area of missing linkage ... I can send you an appropriate picture in response


    Mike
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  8. 14th September 2009, 06:21 AM #8
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    long stroke
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    We have an old johnson 70hp if thats any help?
    P.s, can someone explain what ''helicoil is?

    CHEERS TIM.
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  9. 14th September 2009, 06:46 AM #9
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    Psimpson7
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    Here you go Tim:

    Heli-Coil | Helicoil | Helicoil Insert | Helicoil Tap | Helicoil Inserts | Helicoil Gauge | Helicoil Kit
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  10. 14th September 2009, 05:13 PM #10
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    crump
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    so if you do the head in situ, how do you trap any swarf?
    The Ugly Duckling-
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