Got back from riding one weekend, never had any issues. Went to fire the sled up on this past Sunday and it wouldn't start. The compression was was high, hard to pull. I pulled the plugs and saw the water/coolant spitting out. I then tore it down to find this.
I didn't see anything really wrong with the orings, other than they were really flat. First time I've had any issues with this sled. I am now concerned about coolant in the crank case. How do I get that out? Was told just to be careful and let it idle, mix oil in the gas.