RZR question

[overkill131313]

does any one know if a 2010 RZR 800 has a hydraulic lifter in the valve train? engine is nomal till I rev it up above 3000 RPM and after 10 seconds the valve train gets louder.......and louder...... then I let it idle and it takes 30 sec for it to go back to normal.......sounds just like a collapsed lifter.......I just cant find any lifter info any where tonight........anyone been inside one of these engines? HELP

 

[Rhodesie]

hydraulic lifters. monoblock has to come off to remove lifters. also check oil pressure relief to see if it is stuck.