Originally Posted by SqueegUK

Well found my issue with my GO 21 5 port. Turns out the engine is knackered. Holding the flywheel it turns over past TDC under it's own weight.

And all after just 2.5 gallons or so. Not impressed. Inside of the liner still looks great, just a little polished at TDC, otherwise perfect. Can't believe it's only lasted this long????