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I found something on the net about a valve release system built into the cam shaft that relieves a bit of pressure so the starter can spin. The failure led to metal pieces in the sump and the need to replace the cam shaft. Could this be my issue? J

Thank you for the input. I guess I have to look at valves. I can't say i understand the failure yet though as the cylinder is a closed can if the rings are good and the valves seat. So how can compression be too high? If the valves don't seat won't that yield a loss in compression? Are we...

Model 33R777 Type 0003 G1 Code 190214ZD Single cylinder. Will not spin past compression stroke. Battery measures 12.8 v. Starter is new (and all this was tried with 2 used starters as well, so 3 different starters). Battery connections cleaned, starter relay connections cleaned. Battery...

Hi. My LB starts great but is stuck at wide open. it rattles the screws right out of the cover. Are schematics available so I can go over the throttle linkage parts to be sure I get it connected right? It appears a governor is attached to the throttle butterfly and I have no response from the...

HI. Thanks for any advice. I have a LawnBoy Series Pro DynaForce 6.5 Engine. When I start it up, the governor will not do anything and the engine runs at wide open. I have no throttle control to bring the run speed down. My guess is the throttle linkage is not connected properly. Any advice...