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Actually it is NOT. A fuel shutoff solenoid shuts off fuel flow into the carb. The afterfire solenoid doesn't effect fuel flow into the carb or the fuel bowl, and won't prevent the carb from overflowing if the float valve fails, only stops fuel from being drawn into the carb venturi to help...

After looking at your parts diagram it appears that engine has the Kohler Command with the solenoid shift starter. It could be just the starter bendix not fully engaging which would prevent crank and the clutch issue could be a separate issue. Or could be really serious and the engine or...

Fuel flow restriction going into the carb. And the engine is running long enough to drain the fuel bowl on the carb. And wlll probably restart after a few minutes when there has been a little time for the slow flow to refill the carb.

When looking at the parts diagram for your mower it appears the diagram doesn't match the parts on your mower. It looks like the pinion gear in your picture has 2 flat sides and locks to the shaft, where as the pinion gear in the diagram has a 4 sided keyed hole set up for a slipper style key.

Battery not charging and the electric clutch shutdown after the battery got low enough, and now doesn't have enough lightning bolts left to crank the engine.

People tend to use coil and ignition module interchangeably but are not the same thing actually

MTD and JD do not use standard width or length belts. And cannot be substituted because they will not work properly or get damaged in a short period of time. And since you are describing the 2 belt system then you also need to replace both belts at the same time or the system won't sync the...

Sheared flywheel key in this won't prevent spark. Would effect starting and running but will still produce spark.

Technically it is a CDI. The new style briggs ignition modules are Capacitive Discharge Ignition.

Or the wheel motor has seized. Have worked on this exact model where the wheel motor would seize after getting hot. Jack up the left side and see how well the wheel turns. may have to activate the pump bypass to check.

1/8" valve opening is about half of what they should open. And I currectly have 2 OEM cams on backorder with an ETA of October.

And that was based on the idea that synthetic oil wouldn't allow the rings to wear in properly to seat. And the truth is most engines are using synthetic straight from the factory. Doesn't matter if a lawnmower engine or your automobile engine. Most are coming from the factory with synthetic...

Does the throttle in the carb move freely without binding. If so then I would honestly say the governor gear inside the engine is roached.

Does the throttle in the carb move freely without binding. If so then I would honestly say the governor gear inside the engine is roached.

If you watch the video the tach is showing 4660.

And just to add to Tiger if it is the carb with the metal fuel bowl, don't figure the bowl nut because that is were the main carb jet is located.

If not a Briggs carb the aftermarket carb could be suspect. Also an intake air leak between the carb and were the intake pipe connects to the engine block could cause lean issue. And third an issue with the governor. If you hold the governor steady to stop the surging how does the engine...

Loping or throttle surging is normally caused by a dirty carb that has idle passage in the carb clogged. If you engage the trimmer head does the loping go away or no different

Looks like the carb and air filter housing are moving around. Are the carb mounting bolts tight. If they are loose will cause an air leak which can effect engine rpm. If you disconnect the governor spring what does the rpm's do. They should go to idle if the governor is working. If it...

1.3 converts to a .050 gauge bar. If you are just replacing the bar and have 80 dl chains you want to continue using, then you need a 80 dl bar. If you are replacing both the bar and chain and don't have extra chains that you want to use then you can purchase the normal 78 dl bar and 78dl...

And if I replace the coils the problem goes away. See it at least once or twice a year. And in your scenario the coil that is still connected to the ground wire would still not have spark. But if I disconnect one coil they both will have spark including the one that should be grounded through...

So what is happening when I disconnect a kill wire from either coil, and both spark, but if you reconnect the kill wire to both coils neither will spark. Or have the engine running and ground one spark plug wire and the engine dies. Restart the engine and ground the opposite spark plug and the...

Crosstalk diode in one module failing can potentially shut down both modules. Wouldn't be the first I have seen on Kawasaki engines. And we don't have the spec number for the engine or what brand of equipment it is mounted on.

Are both valve opening the same distance. I have seen one cam lobe wear down causing similar issues with rpm and running.

Shuts off all at once leads me to think the issue is not fuel related but more igntion related. Loosing spark when something gets hot.

The sprocket will be specific to the saw, but could have the option of a .325 or 3/8 pitch sprocket. Now bars can get more complicated due to different lengths and different gauges. The chain pitch, gauge, and drive count have to match the bar. So a .325 pitch with .050 gauge( drive link...

When it shuts off does the engine sputter and run rough before dying or does it die like the key was turned off I am wondering if it fuel or spark related

The model number the OP put in the original post is an L head engine.

You have what is called an L head or flat head. Have to remove the head to access the valves. and remove the small cover on the side of the engine which maybe behind the muffler to access the valve springs to check clearance. Adjustment are made by removing the valves and grinding the valve...

I think there is more to this story that what has been told. If he is tapping out the filter. Is he getting enough dirt and dust into the filter to obstruct air flow causing air to find other avenues of entry. Because if a filter gets stricted can cause air and dirt to bypass the filter.

When was the last time the valve clearances were checked. Could of dropped a push rod on one cylinder which would cause lose of power.

I have some thoughts to what could be the issue, but without knowing what 19 hp Kawasaki engine I am only guessing. Having the Kawasaki engine model would really help.

I suspect that the float valve is not sealing allowing overfilling of the carb. When you turn off the key it is killing the fuel solenoid on the carb preventing extra fuel from being drawn into the main jet of the carb. or the main jets fell out when you took the carb apart. item 117 or 117a...

I suspect that this is what you are looking for but looks different than whats on your due to superceding part numbers and module replacement kits https://www.partstree.com/parts/simplicity-1686667sm/ Item 24 on this diagram...

Lets not start guessing and start with the model and serial number of the mower so we can look up wiring diagrams. And if possible a picture of the component. I suspect it is a relay.

I contacted Muhammad last night on the sister site to this one, and he replied that he would check into it. But haven't heard anything else.

For me being in the business for the past 27 years it has come down to more issues with the mower side of the equation and not the engine. Years past I saw a lot more issues with the engine side but the past 5 years or so most of my repair work is on the equipment side. Post away with the...

4 stroke engines normally don't over-rev even with a air leak due to governor action. I suspect the fuel issue is a symptom not an issue. I would be leaning more toward a governor issue. And depending on carb jetting an over-rev can demand more fuel than the jet can deliver therefore seeming...

Muhammad was on tractorbynet the sister site to this one 20 minutes ago,

No. Some have Briggs and Kohler engines depending on model.

Never saw a Craftsman or Husqvarna that required the operator to be on the seat to start. Clutch/brake switch pushed down, or parking brake applied, and control levers in neutral positions for Z turns.

Don't know what rider this guy has but Kubota, Scag, Hustler, and Exmark are the brands that I have come across that require the seat switch to be activated to start the mower with the key.

If you try to start without the jumper, what does it do. Try to crank but either slow, turns and stops, or does nothing.

I think your one option is to remove the top belt and then remove the idler pulley that the belt is stuck under.

Most shops will only offer a 30 day warranty on their work. And parts are normally warrantied through the manufacturer for 90 days in some cases, and 1 year in others.

Your symptoms are indicative of a head gasket that is starting to fail They will fail in the narrow area between the cylinder wall and the cavity where the pushrods are located. So it will pressurize the crankcase when the piston goes up as well when the plug fires to start the next cycle...

The thing with spark plugs now is the gas is more electrical conductive and the ceramic is no longer sealed and is porous. So it will absorb gas from flooding and short the plug out internally. And most ignition systems are no longer magneto systems. They are CDI Capacitive discharge ignition.

Picture of engine and carb would help. Original post makes it sound like an older Briggs opposed twin. So the carb kit choice would be mainly 3 or 4 bolt carb mounted fuel pump.

Lets slow down. So are you saying that the engine is running too fast and cannot be slowed down even by taken all the tension off of the governor spring. If so I would be suspecting a failed governor gear inside of the engine block.

97% of the time that is the result of a float valve that has not sealed and has allowed the carb to empty the entire contents of the fuel tank into the intake, which some will go into the cylinder and past the rings, but most will drain down the breather tube into the engine block. Will...