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Have you pulled the valve covers and checked the valve lift? Just pulling them and looking at the valves will not tell you anything you have to turn the engine over and watch the valves move. they should move about the same amount.

Parts IPL did not show a reference no. but the parts list did list it as reference no. 350. have seen this in various IPLs

yes needed to be just loose enough to pivot

? It's a Stihl Trimmer FS90R 4 Mix

Check the valve clearance.

Unplug the kill wire from the coil and check for spark again. If no them take the coil off and clean the mounting areas on the coil and engine block. Have heard this all my life but only got it to work one time. But worth the try.

Did you by chance tighten the bolt down tight that goes through the eye of the cable?

Good luck

Could be a bent push rod, push rod off.

On some mowers you have to pull the release levers out and lock a pair of vice grips on them to make them release, Check the motion belt.

Did you check the oil to see if it is over full and my have fuel in the crank case. Compression check and cylinder leak down test might show it.

When I run into one with trash in the tank I take a kerosene hand pump with squeez bulb and siphon the gas and trash out. Then take an air hose and blow the tank out. Then install a new fuel filter. Works for me.

Did you check the exhaust port in the cylinder to make sure it is open?

Boy that is a no no CV16S advertised as 16.5 HP. Any way you have to determine why it i quitting spark or fuel.

Have found bad stators blow fuses as well try unplugging the regulator and see if it quits blowing the fuse.

Not an option you would have to try an after market or adapt another brand on it.

when you unhooked the wiring harness you disconnected the fuel shut off solenoid so it is not gerring fuel to the cylinder.

Good compression check does not indicate you don't have a valve problem. Say you have a push rod off or a worn cam lobe it can still have good compression. Have you tried pulling one plug wire at a time to see if it is hitting one both cylinders.

When you turn the key to start the pull in circuit pulls the solenoid and opens the valve. When you turn the key back to the run position the hold in circuit kicks in and holds in open while it is running.

Fuel shut off solenoid has two circuits one to pull it in and one to hold it in. Been a long time had one that the hold in circuit wiring had a bad connection.

What would they say if they brought it to one of us here who do this for a living and we told them we replaced all these parts and it didn't fix it. Sounds like he spent a lot of money and didn't fix it.

What would they say if they brought it to one of us here who do this for a living and we told them we replaced all these parts and it didn't fix it. Sounds like he spent a lot of money and didn't fix it.

What the heck is a T25i. Model type and code of the engine. I assume it is a Kohler EFI. If so it has a fuel control module which the pulse pump supplies fuel to and the high pressure pump in the module supplies fuel to the fuel injectors at 39 psi.

They went from a one wire solenoid to a two wire hence the kit. Part no. 32 757 01-S. $56.26 retail.

I would put an inline shutoff on it. That way you won't get fuel in the crank case. As long as you shut it off every time you finnish mowing.

Mix my own using ethanol free fuel and Stihl synthetic.

Keep throwing pars at it maybe you will find it sooner or later. Oh yea I forgot that is not throwing parts at it, it's the process of elemination.

That part you are talking about was on the older tractors They changed it on the later model tractors. Guess you guys haven't around long enough ro see them LOL.

He said it was a twin cam Kohler Courage engine never seen a shift type solenoid starter on a Courage single cylinder engine. Probably the solenoid.

Does it run rich and blow out black smoke? You can keep throwing parts at it or take it to a dealer that has the kohler soft ware and can read the codes and pin point the problem.

I am not a big fan of the mulch kits. They clog up under the deck really bad. If you do get one you should clean under the deck every time you mow. You need to mow really slow when mulching.

Have never seen one but it sounds like just what you needed. I would call it a niche mower just for the small yards like yours. Congrats on the find enjoy your mower.

Don't care for stripping but do different patterns to keep it from setting up a patterns. To me if you mow the same way every time it leaves tire tracks. Or darker green stripes where the tires run all the time.

Check the valves for lift could have a worn cam.

Nope

Anyone try the heavy duty 10 amp pto switch when the original pto switch blows? People come in the shop and want a new pto switch. They come back a day or two later and say you sold me a bad pto switch it din't run any time and blew. Not the switch but a clutch drawing too many amps. In this...

Oh I'm sorry I should have said the crank case is full of gas. That would have told you the cylinder was as well. There was nothing condecending about my post. It was ment to be just a game if you don't want to play don't. Hammermech had no problem with it.

When we run into one like that we pull them out and lock a pair of vice grips on the lever to old them out . See if that works. Or a ratchet strap will work as well and easier to do .

When you pull the levers wii they lock into the frame?

Low air pressure in one rear tire can cause it.

Hammermech nailed it was hydraulic locked. crank case full of gas and cylinder as well. Hate those Niki carbs parts to fix it within $7.00 of price of new carb.

Needle and seat kit is 398188 not 397188.. I use high pressure air to blow the seat out and if it doesn't come out take a small screw driver and stick down in the seat hole and carefully turn it a little and it will blow out seaiest carb to clean.

Had a customer bring in a mower and said it has a new starter new battery new spark plug and it still won't start. Figure out what was wrong with it. Some people just don't need tools. I will give you a clue it is not electrical. Solenoid is clicking but engine will not turn over.

Post model, spec and serial no, of your engine and the part no. you got.

It is a hydro gear BDP/PG pump and all hydro gear hydros use 20W50 motor oil.

Seals around the crank shaft and any mating surface.

Did you by chance mount the coil upside down?

Air leak?

These old Dixie Choppers never sease to amaze me. Just worked on two that one an '02 model guy spent over $2000.00 on. Another one '04 model spent over $1000.00 on and were happy to get them fixed. They still have some of the orignal idlers on. These are commercial mowers used daily. Have no...

I get a lot of pan gaskets on the Briggs Inteck V Twins and the Kohler Twin Commands. Have a lot of head gaskets on the older Commands. Matter of fact have one in the shop now.They have a tendency to blow out side the cylinder and they whistle at you on start up and shut down. The Kohler...