[TR] TR3B timing chain slack

[Randall]

> What is an acceptable amount of slack in the TR3B (TCF) 
> timing chain?  With all the slack on the tensioner side I can 
> measure 25mm of play.  Is this OK?

Seems high to me, but that's not the way I was taught to judge timing chain
condition.  Remove the chain from the sprockets and try to flex it sideways
in your fingers.  If it will flex more than 1/4" or so, replace it.  If it
is badly worn, then you should replace the sprockets as well.

-- Randall