Sprockets,Nuts and Broken Washers - Is yours ok?

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. Trying not to being too much of a thick here but , where /what the damage on that , I’m must be going more blind than I thought ( & I do have an appt for laser surgery on the 22nd ) can’t seem to work out what’s occurring in the pic
Richard , If you look just above the top run of the chain at the edge of the alloy sprocket cover . There you see two black indentations caused by the chain rubbing there.
 

BLIGHTYBRIT/SF

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45D30A84-B7C2-4651-973B-51D662B81BDD.jpeg
. My sprocket ( on the second one ) is secure together with tab washer , but do have slight wear on this circular disc on end of swinging arm , only really just noticed it , could be from old chain & sprockets bouncing around , no marks on new chain which was around 1600 miles ago ?
 
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. Trying not to being too much of a thick here but , where /what the damage on that , I’m must be going more blind than I thought ( & I do have an appt for laser surgery on the 22nd ) can’t seem to work out what’s occurring in the pic
View attachment 17968. My sprocket ( on the second one ) is secure together with tab washer , but do have slight wear on this circular disc on end of swingin g arm , only really just noticed it , could be from old chain & sprockets bouncing around , no marks on new chain which was around 1600 miles ago ?
That may have happened when your chain jumped off the sprocket a while back.
 

Stephen_Spencer

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Better picture of damage to the upper forward leading edge of the sprocket cover, caused by contact from the chain.
C87EF128-CF12-468A-AF5B-59B5DA0FAC65.jpeg
 

Stephen_Spencer

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Thanks Tony but I can’t claim that, I had the cover off to check mine a few weeks ago and took the above image. Didn’t repair it at the time so it’s got to come off again so I can dress up that edge.
 
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