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valve pic from 1983 gs450

  • Thread starter Thread starter dickidav
  • Start date Start date
D

dickidav

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i took some pic of my valves. can anyone tell if they are bad from looking? the one on the right is the one not fireing.
 
Looks normal but you can't judge the seal by looking at the head of the valve.

To judge the seal you can pour gasoline into the combustion chamber and see how long it takes for the gas to leak past the valves. At any rate, those valves don't look bad enough to cause the complete lack of compression that you say was in that hole.
 
i took the lower end off and it looks like the bad side has a prob with the rings. but don't know exactly what.
 
So put new rings in it, have the cylinders honed and reinstall. How did the cylinder wall look? Got any pics of that? It's definately not firing on that cylinder and if you had little to no compression then you are losing it somewhere. Thru the rings seems like a logical place.
 
the cylinder walls look great. i took a pic of the "bad" piston. where is the best place to buy rings?
also is there a way to push the valves out enough to see if they are ok inside with out taking them all the way out?
 
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