RE-RING OR BORE?

[blowit]

I think there is a huge misconception that new rings means fresh engine. Unless you take the time to measure a piston against to bore it runs in, you are shooting blanks!! You can easily install rings today and still blow your engine to hell tomorrow by breaking the skirts off your pistons. If you don't know, you need to find someone that does or keep a piece of wood around to knock on. Piston tolerance is MUCH more important than ring end gap. I mean, do you really think the spring tension of the ring is what seals the massive combustion pressures? If a piston is loose, it will force abnormal wear on rings and not allow them to run square in the bore.

 

Again, looks can be deceiving. The most common places for two stroke pistons to wear it at the bottom of the skirts and the ring lands at the top of the piston. Realizing that the piston plays a huge part in port pressure activity is key.

 

 

I am not saying don;t re-ring, I am saying know before you do!

 

Brandon

[NYUK]

when you got it apart too half the battle is over. new pistons and a fresh bore is like money in the bank. i love a fresh motor. i never re ringed shit. skinping 200 beans may cost a grand.