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That's why I was asking about the ignition testing method to try and rule that out. Did you actually test compression and get 35 psi because even with a compression release 35 psi would be extremely low. 70 psi would be more reasonable but a leak down test is the best way to check and engine...

Sometimes it just happens that way. Thanks for the update.

Is your tester something like one of these?

They are pretty much the same engine but just to clarify because there are a few differences, a CH16 would be a horizontal engine. CV would be a vertical. CH=Command Horizontal and of course CV=Command Vertical. Those engines did have variable timed ignition with a speed advance module but if...

How about the fuel itself? You've eliminated the carb and fuel delivery as being an issue by trying another carb and gravity feeding fuel (assuming to the carb?) but was this all done with the same fuel?

Not trying to offend here so hope you don't mind me asking, how do you know it has good spark? What was your testing method?

How did you check ignition? And you didn't mention anything about trying a new spark plug.

Okay I have to ask. What happened that it needs two pistons and two heads? It's just unusual that it would fail both sides at the same time. You're probably not really looking for another Kohler at this point but the Kohler 7000 series engine would let you use your existing exhaust so you...

Probably the least likely reason the fuse blew but the easiest to rule out would be an over charging situation. If you have a voltmeter check the voltage at the battery with the engine running at full speed. It should be between 13.8 and 14.7 VDC. If that checks out good, then as someone...

I'll start with the simplest things I can think of, but if you turn the key to try and start it and it reacts as if someone took the battery out of it, the first thing I would check would be the fuse and fuse holder. If the fuse blew no power could get to the fuel solenoid and that would kill...

I'm no help with an asking price but I do have a couple of questions toward still trying to repair it. I apologize if I've missed it, but have you checked compression? And now after running it and seeing the smoke, what's the oil level?

Once it gets bad enough that it dies, will it start right back up?

Carb spray. When it starts acting up, carefully spray the seam and the ends at the head.

In the video it sounded like it was either starving for fuel or getting air it shouldn't be getting. Either way it seemed lean to me. But that's just one opinion. If that engine has a plastic intake manifold, they have been known to separate at the seam and also leak at the o-rings where it...

Okay good. When it goes to die, will giving it a bit of choke help at all?

Pull the tube that goes from the rocker cover to the fuel pump. Is there any evidence of fuel in that tube?

When it's warm and acting up like in the video, how does the engine run if you just let go of the levers and sit still? And if it seems to straighten out while sitting still what does the engine do if you move the throttle to idle?

Yes. Sometimes just a little load can show that it's not working correctly.

Yes I think that is very possible. The blower housing will need to come off to know for sure but the nice thing is the housing holes are slotted so those screws wouldn't have to be completely removed.

Sounds like the starter solenoid is what is making the noise. Can you have someone else turn the key and you put your hand on the starter and feel if it's doing anything?

Awesome.

Ah yes, I see where I read right past that in more than one spot even. I saw regulator in most of the posts so I made the wrong assumption that it was a regulator. Okay so it's a rectifier and yes, as mentioned unlike a regulator it would not need battery voltage to excite it. My next...

Cold. And depending on what you mean by start easier adjusting the valves may make no difference.

The stator is putting out as it should and you've replace the regulator so you should be able to eliminate those two things as well as the flywheel magnets. Is the 6-7 vdc output voltage being checked with everything connected as it would normally be? If so, you should have at least battery...

30560A would be the coil number if it has points and condenser. If it's solid state, which the Sears website shows it to be, the part number is 34443D.

The thing to remember is the Courage single cylinder was the dog. The unfortunately same named Courage twin was a very good engine and was in many ways simply a Command twin with solid lifters.

Just to clarify if I may, the issue with the loose bolts was on only Courage single cylinder engines where there was no removable oil pan and you got to the inside of the engine by removing the top closure cover of the engine. Those did indeed have some loose fastener issues. Ooops... Just...

The only thing Kohler really ever recommended after going to full pressure lubed engines with oil filters was several years ago when they were seeing some flat cam lobes on their Command engines. That really has nothing to do with your 7000 series but a lot of techs started doing this break in...

Okay this is going to be a bit of a long reply but before you go wasting a bunch of time with a lot of tests that may or may not be needed, waste a little time here reading. First, do as Bert mentioned. If you can find a way to do it, gravity feed fuel directly to the carburetor from an...

Yeah they're not all the same. On the Kohler OEM pumps there is an arrow showing the direction of the fuel flow. Not all aftermarket ones have the arrow. One flows right to left and the other flows left to right. I don't remember exactly why they had the different directions but I think it had...

At this point I don't believe you can hurt anything by running it but if that upper bearing is indeed galled it will most likely seize again. But who knows? It might run fine for a long time. I have also seen some 7000 series engines wear the upper main to the point of the hole being oval and...

I'm guessing here but it's a guess from experience. The engine more than likely seized at that flywheel side bearing and some galling there is keeping the crankshaft from coming out. If that's the case the block is toast and there is no fixing that. I had some guys that were able to take a small...

After it dies will it start right back up?

I've dealt with quite a few Kohler engines that had been driven into lakes and ponds and I've never seen one bent connecting rod let alone two. That's really bizarre to me. The ones I really loved were the people who wanted warranty on the engine because they drove the equipment into the water...

The hours you put on your unit in 20 years would probably be about the average number of hours a commercial cutter puts on in one year. Less in the northern states and more in the southern states but 600 hours would be a pretty fair average. These guys are spending $8000 to $12000 for a piece of...

I did spend the better part of 27 years giving factory Kohler training to Kohler dealers but I don't think there was a class I taught that I didn't learn something from a tech in attendance. The troubling thing is that after being retired for just 18 months, stuff that used to just come off the...

If you squeeze it with your thumb and forefinger your usually can feel where it's just hose. The restrictor might even show up as a bump in the hose and is brass so it won't crush all that easily. If you squeeze the hose with a needle nose slowly you'll know if you hit it. I think squeezing off...

Well, we can’t all know everything which is what is nice about forums with a lot of members. If you do find pinching off that hose stops the rich running here is the part Kohler part number for the mysterious accelerator pump kit. 24 757 21-S KIT, ACC PUMP W/GASKETS This...

On the side of the carb do you see one or two small rubber tubes going to a cover plate held on by 3 screws? That's the accelerator pump cover. Carefully pinch off one of those tubes. I say carefully because there is a metal restrictor in one of them and you don't want to crush it when you pinch...

All the Command twins from 18 to 28 HP use the same governor gear which is part number 24 043 12-S. And to expand a bit on what chipg posted. For engines with a compression release, the leak down test is really the best test and many engines do use a compression release. For your engine a...

You'll find the engine model and spec number laser etched in the engine block just behind the fuel tank mounting bracket. The best way to get the part number for a replacement carb is to go by the number on the original carb which should be 14 053 and two more digits. Say you look at your...

An engine that was completely worn out, meaning it would need bored, oversized pistons, undersized rods, valve guides reamed and oversized valves and probably a new carb would definitely not be worth rebuilding. I would add that depending on how the engine is cared for and maintained and...

Unplug the stator and check for continuity at the diode in the charging lead at the stator. You may have to peel back some heat shrink to get to it. Put the red lead of your meter on one side of the diode and the black lead of your meter on the other side and check for continuity. Then reverse...

No

I don't know if you're still struggling with this or not but it sounds like you've determined you have an unregulated dual circuit system. If that is the case then it is working as designed and you're trying to fix something that isn't broken. The only thing that will cause over charging in a...

When you say you bypassed the carb shutoff are you meaning the solenoid on the carb?

At this point. Yes they are.

LOL...save your fingers. It's a lost cause.

I do. Do you? True Not true. Somewhat true. Not true. Sorry, but ILENGINE is 100% correct. Your response was however, quite entertaining.

Something I meant to mention in my previous post is, if you think the solenoid isn't working, before you condemn or even remove it make sure you are getting power to it and it's got a good ground. If you had a lamp in your living room that wouldn't work, putting a new light bulb in it won't...