Originally Posted by tabetha
There are no det marks at all on the piston.
It is a HEAT SEIZURE, this could have been caused by an air lock, or insuffecinet beddingbin before full power run.
I had this on a xr4i, that was caused by a air lock in the cooling system.
The rear pistons run hotter and leaner than the fronts which will aggravate this as well.
tabetha
the engine had done about 3.5k miles bedding in. The power runs on rollers were the firts time it had been given any stick since being built
