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Engine holds vacuum well, have not checked pressure yet.

I cannot get a "wet" plug. I have cleaned the tank and all hoses and fuel shut off valve. Gas flows from the hose when disconnected from carb. Fuel bowl has fuel in it. Will give it a few pulls to clean it out with the plug out. Last it ran, it was running fine then the mag died. I have had to...

It has spark, and compression. If I spray starting fluid into the carb, no joy. Changed the plug several times. Hints, suggestions, or a friendly tap on the shoulder to wake up and see the trees not the forrest.

Everything works now. New switch identical, even the old key works.

No patent numbers on new switch. Old key fits new switch. New key too big to fit old switch, filing will fit that, just for reference. I took the old switch apart,because I am like that. and the switch was not burned out or anything. It was functioning as intended, just the wrong switch for the...

No letters on terminals, letters on new switch are almost under the terminals, old switch is too old to see,new one just barely. Looks exactly the same. will check patent numbers shortly.

Yes My electrical troubleshooting is weaker than I like, but I am learning. I had to go into town today and had to drive past O'reilly's twice. I decided to drop in and see what They had. I found the switch referred to above and it works. I thank Every one that has helped Me with this problem.

There are no letters visible on the back of the switch after I cleaned it up gently. I do not have a lot of small engine electrical experience. I have a small machine shop and weld, turn, bore and otherwise do metal repair. I have a lot to learn about small engines.I clean and rebuild carbs. The...

Here is the switch that I have used since We have owned it.

Ariens model 931018, serial 002307. Pictures of switch coming this evening.

I just came up from starting the mower. I hooked up a live 12V wire and it turned over 2-3 times and started right up, which it has never done. So I bypassed the switch. Now I need to know which switch to buy. The Wife is very happy as this is Her mower. Model 341S Specs 71109A serial 8318085

If it is not getting a spark when cranking then all the fuel in the world will not fire (unless it's a diesel.) It will start when coasting. No spark until I let off the key and the motor coasts.

No other symptoms, making unobtainable and repair parts in My machine shop makes Me VERY aware things wear out. I will try the hot wire to the positive side of the coil in an hour or two tonight.

The switch has not been changed in My time with it. It is a 1978 model - 46 years old. I have only had it 2-3 years. More troubleshooting. Thanks, Mark.

Did not check voltage to coil, just checked spark. Black wire is the only thing fastened to the coil RIGHT THERE. Every thing else is hidden under the battery tray. Will check these tomorrow. Thanks for the ideas.

I have checked the ignition switch and all works correctly. Black wire from switch ends up on the + positive side of the coil. With a test spark plug grounded to the engine there is no spark when cranking, VOM meter confirms this. When letting off the key there are several strong sparks shown. I...

Busy tonight, will begin diagnostics tomorrow, thanks.

Yes, You have pointed Me in the right direction.

No fuel cut off solenoid. No wires evident. Model 341S Specs 71109A serial 8318085

Will have full information tomorrow morning, battery ignition. It's not here right now.

K series.

I have had an Ariens 16-h garden tractor with a single cylender 16 Hp engine. No problems for at least the 2-3 years We have had it. Last week it started and ran like normal. It always has started when I quit cranking and the motor starts coasting. I noticed this and it has never been a problem...

Thank You, it will have to wait for the next sorta warm day. I will get back when testing is done.

I have a 4 terminal ignition switch on it. It does not have a coil and points. Everything seems to work right now, I am wondering if it is charging as the gauge shows discharge when cranking, and about 1/2 volt+ if that when running. The battery has run down but it was 17° out and the battery...

There is a smear on the label right there, You maybe right.

Per help from on another forum I found a white wire hidden under the main harness plug . I took a chance and grounded the wire and the engine stopped. Success. I am adding this to the record in case it helps Someone else.

I am adapting a Kohler SKH 398, model CH 135, spec 225u8 from an unknown mower into a log splitter. It starts and runs great, charges according to the gauge, but does not shut off. I really don't want to keep pulling the plug wire off ⚡. I have attached a diagram from the Web and have wired the...

I've lost My bookmarks due to a computer crash, does Anyone happen to notice the other forum where I advertised the engine parts to sell? Windows update,,,,,,,,, GRRR.

I have a blown engine from a GX 345. Everything on the engine is in great shape except the block, crank and rods. The carb, starter, and radiator etc all are in very good shape. $100 for ll that You want. You pay shipping.

Thank You very much,that is what I needed and the mower lives again.

I have a push mower Lawn Boy model 10400. I had the brake cable break a while ago and repaired it. It has been too long and I must not have put it back together correctly. Does any one know how this is supposed to be assembled?

The mower is an S-16, I did not notice a tag on the deck, will have to look later.

48" mower deck on a S-16. Location corrected to Ohio.

For a 48" mower deck off of a S-16.

I have had to replace a bearing in an S-16 with a Vickers pump. I have lost all power to the wheels. I have the rear wheels up on stands and they will not power up. The oil filter was filled up prior to starting, the rotor had a few drops of oil in it also. The swash pump housing has filled...

I have a Lawnboy self propelled mower- model 823x, 976891, need an air cleaner cover. I cannot find this part # anywhere. Can any one help/