1010 keeps bogging out

[kevinteam55]

i have a 1010 ru that runs great when it gets warm the motor boggs out like im hooked to something heavy try to start back up turns over very slow let set for 10-15min fires back up and runs good for 10min or so an does it again . i have taken all of the rocker shaft and hydrulic resivor apart cleaned all ot re sealed and replaced all o-rings and cleaned all check valves thanking this might be the issue . i also took the dist. apart checked all ok . when cold will run for 30-40 min no problem. can any one help me out i'm lost.. thanks

[Tx Jim]

Possible galled piston &/or liner or maybe a bad main brg.