Ring gap location
 

Does it matter where the ring gap is located on a Saito 150s?

RE: Ring gap location
 

There are no ports on a 4-stroke so no ring orientation.

I have seen 2-strokes that have pins to locate the ring on the piston but you can tell when they are present because the ring has clearance for them on the ends. If the ends of the ring are flat, there's no way for the ring to stay where you put it, therefore no reason to put it in any certain position.

RE: Ring gap location
 

On a 4 stroke engine, it does not matter.
On a 2 stroke engine you place the ring gap in between 2 or the ports on the engine, so that the end of the ring doesn't catch in a port.

RE: Ring gap location
 

Thumbskull and earlwb, That's what I thought but just wanted to check. Thanks for the quick response. Tom

RE: Ring gap location
 

Earl, it depends on the two stroke engine. The Fox .74 Eagle IV for example has a free rotating ring which will not catch on a port. When I first got the engine, I noticed that the gap could be seen through the exhaust port and called FOX thinking that may be a problem. They explained that the ring is free rotating and in fact will rotate as the engine runs.

Bruce