Bolt/Screw upgrade
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  1. #1
    Junior Member clueders92's Avatar
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    Newbie hear, and I apologize if this has been discussed before, I searched and did not really find anything.



    I'm going to be replacing my crankcase cover gasket in the near future. The existing Philips head bolts are already stripped and I haven't even started to remove them yet (this is a 1996 bike). I've ready several post of people recommending upgrading these bolts (as well as others) to either caps screws or socket head cap screws, which I hoped to do, but had several questions



    1. Any recommendation on bolt material/plating (black oxide, stainless, plated?) particularly going into the aluminum case



    2. Any recommendations on anti-seize or similar



    3. Does anyone know the size thread pitch and length of the cover bolts, (8 part #95027-06025-00, 2 part #95027-06035-00). I know I can measure mine, but I wanted to order the bolts if possible so I'll have them when the gasket gets here and I can't get to my bike for a couple of days.



    Thanks for any help

  2. #2
    Banned qwerty's Avatar
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    Quote Originally Posted by clueders92 View Post
    Newbie hear, and I apologize if this has been discussed before, I searched and did not really find anything.



    I'm going to be replacing my crankcase cover gasket in the near future. The existing Philips head bolts are already stripped and I haven't even started to remove them yet (this is a 1996 bike). I've ready several post of people recommending upgrading these bolts (as well as others) to either caps screws or socket head cap screws, which I hoped to do, but had several questions



    1. Any recommendation on bolt material/plating (black oxide, stainless, plated?) particularly going into the aluminum case



    2. Any recommendations on anti-seize or similar



    3. Does anyone know the size thread pitch and length of the cover bolts, (8 part #95027-06025-00, 2 part #95027-06035-00). I know I can measure mine, but I wanted to order the bolts if possible so I'll have them when the gasket gets here and I can't get to my bike for a couple of days.



    Thanks for any help
    There's a thread on stainless engine bolts around here somewhere.



    EDIT: Here 'tiz.




  3. #3
    Senior Member Rainman's Avatar
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    Qwerty's link is good one. Here is a list of the sizes.

    If you can't find it, grind it

    1990 TW200

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  5. #4
    Member EnduroRdr's Avatar
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    Quote Originally Posted by Rainman View Post
    Qwerty's link is good one. Here is a list of the sizes.

    Thanks for uploading that info. I was wondering whatever happened to it - because it was posted ages ago. I searched through the threads but was never able to find it.
    1989 TW200 - replaced almost everything!

  6. #5
    Senior Member Rainman's Avatar
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    It was posted a long time ago. Luckily I captured the image and saved it for instances like this one. I hope it helps someone out.



    Clueders92,



    I actually went to the hardware store and matched up bolts to use for my TW, but I actually paid more for single bolts than I did for all of the stainless allen heads from alloyboltz.com.
    If you can't find it, grind it

    1990 TW200

  7. #6
    Junior Member clueders92's Avatar
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    Thanks rainman, just what I needed.



    Regarding material, my limited research seems to indicate little advantage going with stainless at least with regards to seizing to the aluminum housing. Stainless would reduce surface rust potential, and may look nicer, this would be at the expense of higher cost and (as I've read) a softer material that may round out easier if they become seized in the future. This has me leaning toward standard high strength steel, possible plated with a good anti seize compound designed for aluminum. Thoughts?



    Chad

  8. #7
    Banned qwerty's Avatar
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    Quote Originally Posted by clueders92 View Post
    Thanks rainman, just what I needed.



    Regarding material, my limited research seems to indicate little advantage going with stainless at least with regards to seizing to the aluminum housing. Stainless would reduce surface rust potential, and may look nicer, this would be at the expense of higher cost and (as I've read) a softer material that may round out easier if they become seized in the future. This has me leaning toward standard high strength steel, possible plated with a good anti seize compound designed for aluminum. Thoughts?



    Chad


    Stock bolts with the proper JIC drivers, preferrably a hand impact to loosen.



    Most bolts come from China these days and you can't depend on the quality of the metal or any coatings that may be on them. Trying to save a buck is often penny-wise and dollar foolish when China is involved.



    When you pay for the good stuff, you get good stuff. Read and follow lable directions and your bolt problems are over.




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