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Thread: Valve cover

  1. #1
    Join Date
    Mar 2015
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    58

    Default Valve cover

    This is the first time I will be having a look at the valve clearances on my GS450. Before starting, I have a few queries which I hope someone can help me with:

    1) Do I need to replace the half-moons?

    2) Do I put sealant on the half-moons?

    3) I'm not keen on taking the RHS engine cover off as the original Jap screws are still there and I remember the problems I faced when removing the LHS cover to replace the stator. Is there any other way to rotate the crankshaft manually?

    Any help will be appreciated.
    1981 GS450

  2. #2
    Join Date
    Jul 2009
    Location
    New Zealand
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    3,479

    Default

    1/ No
    2/ Yes
    3/ Buy an impact driver and bits. The screws to remove are only 5mm unlike the LHS 6mm.

  3. #3
    Join Date
    Dec 2012
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    SE Michigan
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    Default

    Greg nailed it. Also, Suzuki used JIS screws made out of plated mozzarella, lots of us replace them with stainless steel metric allen-head bolts.

  4. #4
    Join Date
    Jul 2018
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    Mission Viejo, CA
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    Default

    Dang that's why I say mamma mia every time I strip one!

    Quote Originally Posted by eil View Post
    Greg nailed it. Also, Suzuki used JIS screws made out of plated mozzarella, lots of us replace them with stainless steel metric allen-head bolts.
    Tom

  5. #5
    Join Date
    Mar 2015
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    58

    Default

    Quote Originally Posted by GregT View Post
    1/ No
    2/ Yes
    3/ Buy an impact driver and bits. The screws to remove are only 5mm unlike the LHS 6mm.

    Apologies for not coming back sooner and thanks for your advice. Do those screws take a P2 or P3 driver?
    1981 GS450

  6. #6
    Join Date
    Aug 2010
    Location
    Sebago,Maine
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    8,682

    Default

    Quote Originally Posted by ssco156 View Post
    Apologies for not coming back sooner and thanks for your advice. Do those screws take a P2 or P3 driver?
    They are JIS standard….. not as pointy as our p2 and p3 . If you grind the point off a p2 , it will fit nicely…..mark the screw location as you remove them, one or two might be longer
    1981 gs650L

    "We are all born ignorant, but you have to work hard to stay stupid" Ben Franklin

  7. #7
    Gorminrider is offline Forum Sage Past Site Supporter
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    Default

    The medium (#2) is the most useful. I have set of bits from GoFast Innovations that is very handy. The bits fit the run-of-the-mill multidriver and if the impact driver has too large a socket and square drive, it's easy to use adapters from a socket set to suit them

    Sometimes, you can do without an impact driver by just tapping on a screwdriver's handle while twisting it...but that wouldn't suit most Multi bit drivers with hollow handles
    Last edited by Gorminrider; 09-19-2021 at 10:26 AM.

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