[ST] Chain wear

[TrmpetDave@xxxxxxx]

In a message dated 4/12/04 10:11:40 PM, owner-st-digest@xxxxxxxxxx writes:

<< So what exactly are the ramifications of pushing a chain when it is shot?

> Does it just finally break?  Does it ruin something else?  I'm thinking I

> may need a new one, but I'm not sure; and this I'm curious about this.

> Thanks.

> >>

The authorised way to see if a chain is worn, as described in the owner's 
manual, is to take it off, and measure the difference between the compressed and 
stretched lengths over a certain number of links. A much easier way is, with 
the chain in situ, to try and pluck a joint bacwards off the rear sprocket. If 
you can lift the chain off the sprocket to any significant (?2 or 3 mm) 
distance, the chain is worn. I don't know what disasters ensue if a worn chain is  
not replaced-excessive driveline lash, or parting of the chain, possibly. I 
might say that after 18,622  gentle miles, with the use of a Scottoiler for most 
of its life, my original Regina chain still passes the pluck test, and the spr
ocket doesn't look worn. Dave Collins, San Diego   ('99 Sprint ST)

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