Street Twin Plastic Chain Guard Query

Discussion in 'Triumph General Discussion' started by covid-21, Oct 2, 2020.

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  1. covid-21

    covid-21 Well-Known Member

    Jul 30, 2020
    104
    83
    QLD Australia
    #1 covid-21, Oct 2, 2020
    I bought a bike without a chain guard, and I have just found an OEM one at the right price, maybe sometime in the future I will get a metal one but I have more urgent stuff to get first.

    It came without screws and the Triumph OEM parts catalogue only indicate a pair of M6x1.0x12 screws. I am wondering if this really is sufficient. I was expecting some sort of special washer. The chain guard has not arrived yet and it has just dawned on me while typing that maybe it has internal steel reinforcing around the chain guard where the screws go in. Is this correct, are these plastic guards known to be prone to breaking?

    Thanks.
     
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  2. covid-21

    covid-21 Well-Known Member

    Jul 30, 2020
    104
    83
    QLD Australia
    #2 covid-21, Oct 2, 2020
    Hello, as for the size, I just got that off a parts catalogue I can't be sure it's correct. It's not so much the thread locking I'm worried about it's if the plastic will crack.
     
    • Agree Agree x 1
  3. crispey

    crispey crispey creme de la creme

    Nov 6, 2014
    7,274
    1,000
    Uk
    #3 crispey, Oct 2, 2020
    You could get yourself some sleeve washers, or shoulder washers. They come I n steel and nylon.
     
    • Agree Agree x 1
  4. learningtofly

    learningtofly He’s not the Messiah, he’s a very naughty boy!
    Subscriber

    Sep 25, 2018
    2,444
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    Hertfordshire
    #4 learningtofly, Oct 2, 2020
    Have a quick look here, which should tell you exactly what you need.
     
    • Like Like x 1
  5. Tiffany Taylor

    Tiffany Taylor New Member

    Jan 27, 2020
    8
    3
    los angeles, ca
    #5 Tiffany Taylor, Dec 16, 2021
    I recently replaced my plastic one with a metal one. I bought my bike stock and it did not have any washers where the chain guard attaches. The plastic is really thick and after almost 2 years, it did not show any signs of cracking or other wear and tear. The mount holes in the frame are threaded. I did notice that the mounting screws had very large heads that would negate the need for washers.
     
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  6. joe mc donald

    joe mc donald Joe
    Subscriber

    Dec 26, 2014
    15,489
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    slough / burnham
    #6 joe mc donald, Dec 16, 2021
    My bonnie Had washers on. But i have never had a chainguard snap They are pretty robust.
    Joe
     
    • Agree Agree x 1
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