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Thread: i did a dumb

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    i did a dumb

    so i went ahead and replaced the fouled spark plugs on my hyo 250r and did a dumb by overtightening and snapped the head off the cylinder 2 spark plug, any tips on getting it out without taking apart the top end?


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    You need an "easy out" or similar.

    Edit: Fuck, you must have really put a lot of weight on that spark plug to do that to it...
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    should be fairly loose..(yah big dumbass)

    Thread tightens on shoulder of plug...shoulder now resides on computer desk... good luck

    Just for shits n giggles use caution.. place a small flat blade screwdriver into the plug and turn anti clockwise..it'll come out.

    You might need to get all the shit out of the motor..if there is any ..

    It's a fkn iridium.....just use cheap shit denso copper plugs... start better --change at 50k k's
    " Imagination is the seed of life..."
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    thanks guys, yeah i used my big ratchet to tighten as i lost my small one, extra leverage easier to break i guess. i will give the small flat blade a go tomorrow if that doesnt work i can try the easy out if its too tight still

    also these were plugs that i got given when i bought the bike, old owner didnt need them and threw them in for free

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    see flaw in metal at base of plug.....
    " Imagination is the seed of life..."

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    In future

    Take the extension bar off the wrench and finger tighten the spark plug using the extension bar. Once you can't tighten it anymore by hand, put the extension bar back on the socket and hold it near the head like the pic below. Greatly reduces leverage, then give it a gentle nip up. Should only want to turn another quarter or less.

    Last edited by Speed Dealer; 20-06-2018 at 07:59 PM.
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    thanks speed dealer, good to know
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    Slide your hand up the handle, every 10 cms of distance from the centroid of rotation is equivalent to 6 ft/lbs of torque for your average 80 kg Caucasian male.
    -

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    Quote Originally Posted by GsxInShed View Post

    It's a fkn iridium.....just use cheap shit denso copper plugs... start better --change at 50k k's
    as if a hyo would get to 50k kms
    Quote Originally Posted by Paraletic View Post
    little end bearing. best describes as the sound of 'A little black man with a hammer in your engine'. big end sounds like a bigger black man...
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    in all my years of motorcycle work i have never ever seen anyone anywhere do that to a spark plug...
    Hoonaholics Garage

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    Before you try to remove it, put a dab of grease in the centre hole to prevent swarf from the easy out getting into your head, which will then almost certainly get stuck in your valve seats

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    Quote Originally Posted by agrid View Post
    Slide your hand up the handle, every 10 cms of distance from the centroid of rotation is equivalent to 6 ft/lbs of torque for your average 80 kg Caucasian male.
    That's why I usually just go with hand tightening with the socket and extension given I'm close to twice that weight
    The old saying "tighten till it strips then back off 1/2 a turn" doesn't work so well in my experience


    Quote Originally Posted by Hillz View Post
    in all my years of motorcycle work i have never ever seen anyone anywhere do that to a spark plug...
    Can say I've only seen it once and that was a snapped plug from trying to "remove" one that was seized into the head and no matter how much CRC etc it would come out
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    Noted. We'll check back on that one in three years
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    Another option is to get yourself a torque wrench, and you know, tighten it to the correct torque.
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    Dont rely on a torque wrench as you can still damage the threads....I know the hard way and thats with kincrome gear.

    Just do above move your hand to the head of ratchet.
    "Some people are like clouds. When they disappear it's a beautiful day"

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    I/8 to 1/4 turn after finger tight.
    Smoke me a kipper...I'll be home in time for breakfast

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    these best option is the steer clear of hyosungs, scientific fact that your IQ will increase not owning one,
    Hoonaholics Garage

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    Quote Originally Posted by Hillz View Post
    these best option is the steer clear of hyosungs, scientific fact that your IQ will increase not owning one,
    Since the plugs have a 'how tight to tighten' on the fkn box....it's a pictograph...assuming op had the box they came in that is...
    " Imagination is the seed of life..."

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    Member BusaSteve's Avatar
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    Probably didnt...the best advice I ever saw for a Hyosung was..."remove the spark plugs and throw away everything that isnt them"....still I remember Jap bikes being called 'Jap crap'...when good old British muck was all the rage....may have been the 80's
    Smoke me a kipper...I'll be home in time for breakfast

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    Member GsxInShed's Avatar
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    Clickbait
    " Imagination is the seed of life..."

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    Quote Originally Posted by BusaSteve View Post
    may have been the 80's
    IbuonoSteve?
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    Quote Originally Posted by Phildo View Post
    Noted. We'll check back on that one in three years
    Quote Originally Posted by filbert View Post
    i'll pretend you didn't know she was 13

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