Originally Posted by
Raleighcopter
My 1.20 twin had a stuck ring that caused lopsided compression. Have you checked that the ring isn't stuck?
I think it looked OK when disassembled Dave, But I will have one last look before ordering rings - will check for out of round too while apart.
The white stuff showed up here today - Got to November this year, but looks like the permanent stuff has arrived. A little more shop play time now hiding out from the cold.