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Thread: Rear Drive whine

  1. #11
    Roger.'s Avatar
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    Re: Rear Drive whine

    Packman,
    Don't forget to inspect the magnet in the drain bolt for a build-up of debris - it could indicate something nasty going on....

  2. #12
    '91 ST STOC# 422 BudC's Avatar
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    Re: Rear Drive whine

    Quote Originally Posted by Oldbikefixr View Post
    ...
    Use a molybdenum paste (containing 40% or more moly) for the drive splines on the rear hub and wheel.
    Quote Originally Posted by jfheath View Post
    ...
    Note OldBikeFixr's comment about the molybdenum content of the paste for the splines. Normal grease, or normal moly grease isn't up to the job - the dealer is wrong. It must be the molybdenum disulphide paste which has at least 40% MoS2 . The ST1300 manual quotes Molykote G-n Paste manufactured by Dow Corning in USA.
    ....
    Your Honda motorcycle dealer should have the stuff, or they can order it:. Pro Honda Oils and Chemicals MOLY 60 PASTE. It comes in a tube about and inch in diameter and 6 inches long, and has a big "HONDA" on the label. The first couple of times I bought it (yes I lost one and gave the other away, I know it should last longer ) they had it behind the counter, but the last time it wss in a blister pack out on the floor in the parts department.
    Last edited by BudC; 07-17-2017 at 04:05 PM.

  3. #13
    Bush's Avatar
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    Re: Rear Drive whine

    Quote Originally Posted by BudC View Post
    MOLY 60 PASTE.
    . . . . is no longer available, for about two or three years. They now sell a Moly 77, which I have no idea if it is suitable. Glad I have an almost full tube of the 60.

  4. #14
    SMSW's Avatar
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    Re: Rear Drive whine

    Quote Originally Posted by Bush View Post
    . . . . is no longer available, for about two or three years. They now sell a Moly 77, which I have no idea if it is suitable. Glad I have an almost full tube of the 60.
    And, some sites still use the picture of the old tube when you search using the part number but are selling the replacement. I ordered a tube of the 60 and was sent the new replacement - the 77.

  5. #15

    Re: Rear Drive whine

    A whine is not going to caused by lack or wrong grease on the splines. A cupped tire can cause whine type noise. I would drain the diff and inspect fluid for metallic particles. Some is normal but should be hard to see. Beside its easier than an oil change. Is the rear tire smooth? Does the noise change when swerving ?

  6. #16
    John Heath jfheath's Avatar
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    Re: Rear Drive whine

    Quote Originally Posted by Bush View Post
    . . . . is no longer available, for about two or three years. They now sell a Moly 77, which I have no idea if it is suitable. Glad I have an almost full tube of the 60.
    Dow Corning also produce a Molykote M-77 MoS2 paste. It seems to be designed for similar applications as the G-n paste that Honda also recommend in their shop manual. I cannot tell if the Honda Moly 77 is the same stuff as the Molykote M-77, but it is possible since the name is so similar and Honda quote Dow Corning products.

    For UK members, Rocol produce suitable and Honda recommended MoS2 paste.

  7. #17
    Catdriver's Avatar
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    Re: Rear Drive whine

    Does your bike have any cheese to go with the whine!😜

  8. #18
    SMSW's Avatar
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    Re: Rear Drive whine

    Quote Originally Posted by Catdriver View Post
    Does your bike have any cheese to go with the whine!
    Cheese and wine to mellow out the mind? Oh no........a bad one.

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  10. #19

    Re: Rear Drive whine

    Rocol is excellent but expensive...

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