Took my head off, put new one back on
Cam sprocket failed resulting in the front cams not spinning
Thankfully it was just idling and engine knocked off instantly
Took head back off again and reinstalled same head with new valve and now runs again :-)
Forgot to put the chain guide in
so off comes the rocker and chan cover again
Head off and on twice in 1 day and im destroyed
but today is a new day