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CS-670 ran last fall. It would not start or run on ether when I just got it out, so I checked spark with a new plug - no spark. Before I buy a new coil, I want to make sure that the kill switch or kill switch wire is not grounding out and defeating the coil's effort to create a spark. I...

This spring I charged the 2019 battery and it started the engine (which had sat all winter) with about 3-4 cranks. I started driving the mower to the lawn when I discovered the manual blade clutch was not engaging. So I headed back to the driveway work area to fix the blade clutch. Once...

Great answers. Thank you all. Dan

This engine has hydraulic lifters. There does not appear to be any valve lash adjustment, as with mechanical lifters. When installing the valve train, the service manual says, "Rotate crankshaft to check for free operation of valve train. Check clearance between valve spring coils at full...

CV680, build date 2016. Has had frequent oil changes. Was running fine, then suddenly quit running. Rocker arm screw on one valve loosened and the valve components self-disassembled. All components appear to be OK. Rocker arm screw is 6mm x 1.00mm pitch. Since it loosened on its own, I...

Thanks for you quick reply. I removed the hood to get a look at the carburetor and sure enough it appears to have a fuel solenoid hanging off the bottom of the bowl: But I noticed that the headlight wiring had touched the engine exhaust pipe and melted through the insulation. That had to...

XT1 about 6 years old model # 13APA1CT010 LT46. 22HP Kohler 7000 engine Started fine, ran for 10 minutes then stopped dead. There is no response to an attempt to start it, as though a starter interlock is open. Blade clutch handle is back where it should, left pedal all the way down, weight...