Quote:
Originally Posted by Scott Douglas
If you really want to keep it cheap, sand that piston down some, re-use the rings (they don't look bad) and get your self a bottle brush hone and hone that cylinder till it shines.
What's the worst thing that can happen?
You have to take it apart again to do the re-bore etc.
What's the best case scenario?
It'll run, might use a bit of oil, but will probably be OK once all the parts get familiar with themselves after a while.
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With the exception of re-using the rings, I have done this on several motors with good luck. I would reccomend a 3 stone spring loaded hone on the end of a drill....move slowly down through the bore, and slowly back up while running the drill, this will get a good cross hatch section onto the bore which is needed for re-seating new rings. After you have done this, clean the piston ring landings, and install one new ring at a time, and insert the piston into the bore upside down to measure the ring gap (file ring ends as needed).
This also a good time to polish the crank, and install a new rod bearing, and inspect your piston rod pin for wear.