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  1. #1
    StandNr00m0n1y
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    Head gasket installation

    I just had my stock 650 head milled and squish cut. I ordered the stock OEM gasket and just want to make sure I put it on right. Does it matter which way it goes on? Also do I need to apply any kind of sealant or does it go on dry?

    Thx

  2. #2
    PWCToday.com Is My Home Away From Home mouthfulloflake's Avatar
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    if its like a 750 gasket there is an "EX" marked in it, and that goes up ( readable) and it denotes the exhaust side of the engine.

    they usually go on dry, torque teh nuts in sequence and in steps, the final value on a 750 is 22ft lbs, so I go 12 -16-22 or somthing like that, do everyone in order to 12 ft lbs, then do every one to 16 ft lbs... ect
    I no longer post on this site.

  3. #3
    StandNr00m0n1y
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    Thanks Mouth.
    Nothing stamped anywhere on the gasket. Put it on like it 'looked' like it should go. Torqued in sequence as suggested to 22ftlb.

    Leaks... =^(

    Is the gasket hosed or can I flip it and try again?

    thx

  4. #4
    PWCToday.com Is My Home Away From Home jpilot98's Avatar
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    you can flip it and try again
    93 550sx, 93 750sx, 07 zzr 600, 2 kids, 1 job, and one pi$$ed off wife... life is grand... im ready for some beers

    SUR# 190

    Quote Originally Posted by waterhawk
    ok, baby frog muncher, flip flop and eat the 4ss. .
    Quote Originally Posted by BP7000
    Post deleted for racial slur. Please be respectful in your posting.

  5. #5
    PWCToday.com Is My Home Away From Home mouthfulloflake's Avatar
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    I wonder why it would leak?

    maybe that torque value isnt right for a 650?

    did you clean the top of the cylinders really good? no scrapes no old gasket no crap, it needs to be very flat.

    you could use some copper gasket spray ( from an auto parts store)

    spray both sides of the gasket with it pretty thick, then try again, ive reused gaskets like that.
    I no longer post on this site.

  6. #6
    PWCToday.com Is My Home Away From Home jpilot98's Avatar
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    the copper gasket spray works awesome... just be careful when putting the gasket back on... can be a pain with that sticky stuff on it... but seals well
    93 550sx, 93 750sx, 07 zzr 600, 2 kids, 1 job, and one pi$$ed off wife... life is grand... im ready for some beers

    SUR# 190

    Quote Originally Posted by waterhawk
    ok, baby frog muncher, flip flop and eat the 4ss. .
    Quote Originally Posted by BP7000
    Post deleted for racial slur. Please be respectful in your posting.

  7. #7
    StandNr00m0n1y
    Guest
    I did Scrape and clean the cyl surface prior to install. I'll get some of that copper gasket spray & give it a shot.
    thanks guys!

  8. #8
    PWCToday.com Is My Home Away From Home mouthfulloflake's Avatar
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    worst case, use some tribond or yama bond and go around the water jcaket with it, careful to not get any inside the actual water jacket, it will seal it.

    did you torque the bolts in sequence? run until warm ( operating temp), and then retorque?
    I no longer post on this site.

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