Chain Wear Strip was chewed up and derailed the chain
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Thread: Chain Wear Strip was chewed up and derailed the chain

  1. #1
    Member Haustorium's Avatar
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    Chain Wear Strip was chewed up and derailed the chain

    Hello again! I took the bike out on some dirt trails, and on my way home I noticed that I lost power to the rear wheel. I pulled over and quickly saw that the chain was no longer on the front sprocket. The chain wear guard had been pulled into the sprocket and ended up derailing the chain. Thankfully a very helpful passerby helped me to get the chain back on the front sprocket, and I was able to ride home. I noticed that the chain in very loose now, so I will have to adjust it soon.

    My question is how necessary is that wear guard really? Will I be totally fine if I just adjust the chain and ride without it? If not, does anyone know where I can pick one up?

    Thank you!

  2. #2
    Senior Member RockyTFS's Avatar
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    The wear guard is absolutely necessary unless you want to wear through your swing arm and have it fall off.. BOTH OF THEM!! Maybe Procycle has them, or any Yamaha dealer.
    TWilight likes this.
    Rocky
    2018 TW200
    2014 BMW R1200GS LC

  3. #3
    Senior Member BRug14468's Avatar
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    Partzilla.com

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  5. #4
    Member Haustorium's Avatar
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    Thanks everyone - I ordered the parts and they're on their way. Now I"ll just have to see how easily I can remove the swingers bolt to get the new guard in place...

  6. #5
    Member Haustorium's Avatar
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    So this will be fun - I thought I might be able to just knock the swingarm bolt out of place to get the new guard on, but I think I will actually have to totally remove the swingarm to get this piece on. I don't have very much experience with this kind of work, but I think this should be simple enough to give a try. Does anyone have any good suggestions or ideas?

  7. #6
    Senior Member JustPassinThru's Avatar
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    I would posit that the guard wore because your chain was too loose. Possibly too worn.

    Should be between one and two inches of slack at midpoint. Wear, I haven't learned to judge - but a lot of sidewise play and binding, tell you it's probably time to replace.

    Cost is about $25 for a non-O-ring chain. Can't go wrong just getting a new one every season.

  8. #7
    Senior Member Azxj91's Avatar
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    You may have already seen it, but there is a write up with pics in the "technical write ups" section.

  9. #8
    Member Haustorium's Avatar
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    Just Passin Thru - I think that might have had something to do with it. I didn't check the tightness of the bolt holding the guard in place, so when that wiggled out the loose chain grabbed the guard and threw it into the sprocket.

    Azxj91 - For some reason I didn't see that - thank you! It looks to be pretty straightforward, so I think I'll give it a shot.

  10. #9
    Senior Member supachip1's Avatar
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    you can cut the part that the screw goes through then just add a large washer when its in place and you're putting the screw back in, that way you dont have to remove anything. and the washer will keep it in place….if you want to save a lot of time n hassle
    jtomelliott49 likes this.

  11. #10
    Member Haustorium's Avatar
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    Hey everyone - I took the swingarm off today and was able to replace the chain wear strip pretty easily. Now I'm having trouble getting the swingarm back on the bike. The rubber washers on the interior of the swingarm attachment points seem to be too thick to get back on the bike. Does anyone have any suggestions for getting the swingarm back on? Other than this little hiccup everything has been pretty easy so far! Thanks!

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