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Post the units model and serial numbers so we can look them.

Just reread this thread and I see there are at least two people who have different problems posting in the same thread. That is a NO-NO, as it gets very confusing for everyone. Whiteshu, the first thing I would do is get a new mechanic, as he has no idea what a Hall effect trigger is or where...

Agree, ground issue. Follow the throttle cable down from the counsel to the engine and I’ll bet you’ll find an electrical wire rubbing against the cable.

Go through this troubleshooting procedure and let us know the results. Electrical problems can be very easy or very difficult, depending on four things. 1. How well you understand basic electricity. 2. What tools you have and know how to use. 3. How well you follow directions. 4. You don't...

Are the idler arms providing the proper tension on the belt? Did the problem start after you serviced the drive system? Did you use an OEM belt or a aftermarket one that says it fits your unit?

When was the last time the drive belts were changed? This is the first thing I would be checking. While checking the belts on a 13 year old unit, I would also be looking at all pulleys, drive and idler, to make they sure they are not worn and bearings are in good condition.

Whiteshu, please post the model, type and code numbers for your engine. With them we can tell whether you have the correct coil. Second, post the part number of the replacement coils and where you purchased them. If both were purchased on Fleabay or AmoScam, the is a definite possibility that...

Nice to see someone else appreciates these old mules. A sugar cube once in a while keeps them happy. You didn’t violate any decorum on this site, just someone who is pickier about grammar than needs to be. Keep us updated on your tractor and if you need anything post back.

Have you looked into the prices of a good crystal ball lately? On top of that the quality has gone into the toilet bowl.

Before COVID I had great psychic powers, but mine and most others around here lost them due to loss of human interactions with humans. How do you expect to get any help with the limited information you provided. Lawn boy had eight different models in 1978 and used at least three different...

I highly doubt it that fuel is being siphoned back into the tank. If you are positive that the choke is operating properly, I suspect the float is off and you have a lean starting condition. The carb needs to be cleaned and the float level needs to be set slightly rich.

Post the units model and serial numbers so we have an idea of what type of wiring you are dealing with.

Things are getting clearer. I agree with Star, if you are going to try drilling it open start small and work your way up. I’ve been punching jets for many years, started with Zenith and Rochester carb, and can tell you there is no going back I you go to big. A trick I’ve learned, never try to...

Now I’m confused. There is a main pickup tube (long one) through which the pump draws fuel from the main tank to fill the auxiliary tank. Then there is the nozzle through which the fuel is draw from the auxiliary tank into the carb body. Neither one of these has a jet. Where is the jet you...

I’ve been doing this for over 50 years and this would be the first time I’ve heard that the pickup oriface being plugged. Never seen spec on this. Are you sure that is the problem? Most common problem with those carbs is that the pump diaphragm is old and not pumping properly to draw fuel...

Easiest way to fix is to remove bracket #36. Assemble cover, spring, rod and bracket to be one unit. Now reattach this assembly to the deck.

Seen this more than once, wheel holes look more like eggs than circles. I understand other concerns stated, but with only 13 hours a good dealer should be able to get warranty. Only thing I don’t like is customer buying new wheels before consulting dealer.

If you purchased this unit from a good Toro dealer, they will most likely work with you to resolve this problem Under warranty. If you purchased it at a big box store doesn’t mean that they won’t cover it, but you’ll have to jump through more and tougher hoops.

Try this. https://www.diyspareparts.com/parts/stihl/diagrams/hs-45

Ace Hardware, Harbor Freight, Home Depot, in my area all advertise them. Also, check in your local lumber store, as I have used them for deck screws.

Maybe this manual will be of some help, I’m assuming you have a TR-10D engine. Haven’t seen one of those since the mid 70’s. Just a heads up on those Wisconsin engines. Timing can be tricky, as they can be both staticly and dynamicly timed. Auto guys say to do it dynamicly and small engine...

Maybe this manual will help you out. https://resources.kohler.com/power/kohler/enginesUS/pdf/tp_2339_d.pdf

Many times I’ve seen where the cable is not moving the choke to a fully closed position, leaving a small gap. Only takes five minutes to readjust the choke cable. If you can see the choke and it is closing fully, then I would start looking to see if the idle jet is not clogged.. This would...

As just stated, fill to the mark on the diploma. If it has a filter, run engine for 30 seconds and top off. This is one time i disregard what the specs say and use common sense.

Simple things to look for before throwing anything at it. First, check to see if the choke is fully closing on cold startup. Push the cable fully forward to the choke position. Loosen the clamp on the cable and push the cable forward, making sure the choke is closed, tighten the clamp. Test.

If it is a three post solenoid, it is grounded through the case to the frame. May not be a clean connection. If it is a four post solenoid, it is grounded through one of the small wires. Maybe one of these manuals will help you out. https://www.toro.com/getpub/182206...

Simple things to look for before throwing anything at it. First, check to see if the choke is fully closing on cold startup. Push the cable fully forward to the choke position. Loosen the clamp on the cable and push the cable forward, making sure the choke is closed, tighten the clamp. Test...

Neighbor just asked me if I had ever heard of Blue DEF being used as a lawn fertilizer. Never heard of this,but I told him I would see if I could find any info on It. Little research says it is used that way, but the results are mixed. Has anyone heard on this or tried it? Time to educate...

Your welcome.

Maybe this manual will help you identify what each wire is for and where it goes. https://www.briggsandstratton.com/content/dam/briggsandstratton/na/en_us/Files/FAQs/alternator_replacement.pdf

Many things come to mind when I see this problem. Is the engine running at top speed? Should be approximately 3400 RPMs. Are you cutting at a correct height? Should be removing no more than 1/3 of the grass height, on dry grass. Is the blade turning at top speed? Worn or loose belt will...

Amazon coils are a crapshoot, that’s why 90% of the techs on this site never recommend using them unless they are the very, very last resort.

Maybe this manual will help you out. I would start with double checking everything you have done so far. Don’t go looking at any other system until you are sure everything is correct with the ignition system...

I should have added, if you have not replaced the pump diaphragm now is the time.

You don’t want sealant between the carb and the tank. Just want to make sure the edges are completely sealed. Also, a new gasket on the carb is definitely needed. I’ve even seen people double up on that gasket.

I’ve seen this many times and the most common cause is a warped tank, not getting a good seal between the carb and tank. Before replacing the carb try this down on the farm fix. Clean the area where the carb mounts extremely well. Install the carb, careful not to over tighten the mounting...

According to the Ariens numbers 4 different engines were used on that unit. This is making it difficult for us to help, as we need to identify which one he has. Seems like the OP is just guessing, as even the numbers he’s posting don’t look like a possibility. Doober, also include the code...

It may look good, but could be compromised. At the $$$ of plugs I would be replacing it. Dollar wise many times mean penny stupid.

That Briggs number doesn’t come up. Ask your better half for one of their green dish scrubys. Soak it good and cover it good with some Comet or equivalent. Carefully scrub the area with the pad and the numbers should appear. Need model, type and code numbers. Ariens used different engines...

Look on the valve cover for Briggs numbers. Give us as many numbers as you can find, as Ive seen 50 year old Briggs which still have all their numbers. If that can’t be done give us the Ariens serial number

This service manual should help you out, depending on you electrical circuitry knowledge. https://www.toro.com/getpub/48881

My big fingers found the wrong number, should be 640351.

The number you provided is for a carburetor. Tecumseh used three different primer bulbs. Numbers 36045A, 340351, and 6320347A. Lookup each of these numbers and see which one matches your old one.

I’m not proud to say this but, it used to be 5% of the people working on small engines shouldn’t be allowed to handle a screwdriver. Today it seems to have grown to 25%. When I retired 18 years ago I expected my students to know how to deal with customers and when to know when they are over...

Provide us with the model and spec numbers for the engine. They will allow us to find the correct primer bulb.

More than likely the filter base is warped, not allowing the gaskets to seal. Best remedy is to replace the base.

If you have no spark when the kill wire is disconnected, you have a bad coil.

The drag link will need to be replaced. Two different links were used, 5/16” and 3/8”. Pages 24-25 of this manual will help you identify the proper part number to order. https://www.thepowerportal.com/ipls/ipl.htm?md=2690575~_IPLURL_LO.pdf

First, if you tried to clean the thermostat with carb cleaner, I’m willing to bet you destroyed it. The cleaner will ruin the wax. Second, the spring hooks into the same hole as the carb linkage.

I’m torn on which way to go when advis ing how to answer your question on which ratio to use. These old Tecumseh engines were mules and when taken care of run forever. The condition of the engine will have a lot to do with how to proceed. The oil in a 2-cycle ratio has two jobs. First, it is...