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Is part #11 in place under the string spool?

It sounds like the vacuum operated pump is defective or some trash got sucked into the inlet side from the tank. I've had lots of...

Plugs and coils fire easily in an open atmosphere, that is what often tricks people into thinking the parts are good. Get the engine...

That has the signs of a failing ignition coil when hot. Just the same, a spark plug could also be breaking down and plugs are easy to...

Thanks for the info Doc. I forgot to mention that I just changed plugs. I never thought of the coils. I've had that problem on my...

Kohler Courage engine? Most likely it has an air leak between the cylinder head and the carburetor insulator block. These were not a...

Finally got back around to trying to figure this out. I installed a 12v electric pump (2-4 psi). Engine will stay running but surging...

That has the signs of a failing ignition coil when hot. Just the same, a spark plug could also be breaking down and plugs are easy to...

I put the old seal back in (temporarily)in and filled with oil. Did a compression test both cylinders test at 140 pounds. There is...

Glue silica gel packets under your deck. 🤣

Excellent. It could, mostly weak coils fade at mid and high revs. This is where the Christmas light coil testers do not show you the...

Hi Rick O., First, how did you set the air gap when you removed the ignition coil and reinstalled it. The simplest way to set this air...

I do have the spring, just didn't put it on for the photo. The string *is* thick*, but even with the standard thickness it wasn't...

These were an innovative take on the earlier Snapper rear engine riders in my opinion. This is a 30-year-old mower that only a diehard...

I bought this ZTR 10yrs ago (less than 400hrs) and it's run great until this spring. Recently it will run fine for about an hour at full...