Toro Self Propelled model 20073A, engine lv195ea.. piston ring problem...

awbooth

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  • / Toro Self Propelled model 20073A, engine lv195ea.. piston ring problem...
Hi everyone.
I have a Toro Self Propelled rear wheel drive lawnmower. Model 20073, motor is an lv195ea.
So I have a hard time pulling the rope to start the machine. I took apart the head and found the piston and valves packed with carbon build up. Black muck, the piston had some oil seepage as well. Will changing the piston rings make the machine start easier and run better? In addition, I checked the clearance between the valves and the push rods, they were within specs of .008.
I checked to see if the flywheel key was damaged or broken and it was fine. Any and all help would be awesome.
Thanks
 
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