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So essentially you disassemble and rebuild. You can’t convince me that given the cost of doing that many customers want it done. On top of that you are talking two very different engines, trying to compare apples and lemons. Don’t work that way in the small engine industry.

Doc, I assume you are referring to Tecumseh carbs with the replacement seats. Personally I have found these are about the easiest carbs to clean and rebuild. Removing and installing a new seat can’t be easier if you have the correct tool. One thing I have found through experience is to always...

Sgkent, how do you repair a stripped spark plug hole on a 2-cycle engine? Buy a short block? I’ve saved a lot of engines by installing a helicoil with no disassembly. To keep chips outside the cylinder I coat my tap with tons of grease and slowly run the tap into the hole. Don’t go too far...

What about these individual kits...

Have you seen this kit, had one in the last shop I worked in, before i retired. For M14 I used spark plug tool...

Thank you IL.

Please provide us with the model and serial numbers so we can see what you are dealing with.

No matter what you say, the cap is vented through the threads. Now I know you are a DIY guy who is in over his head when you say I’m going to drill holes in your cap. For your information 104M020010F1 is the engine numbers. 104M02-0010-F1, just missing the code number.

Can someone PM me how to do a screen shot on an IPad?

FYI. 11-15-25. At 5:40 PM I tried to get on the site, got this message. Oops we ran into a problem, can’t load this page try again later. I could log in, but could not load any site pages. 6:30 PM I could log in an everything started working fine. Just to let you know.

This style of gas cap has been used for years and vents through the threads. Just like caps with a hole in the top they do go bad or get plugged. I question whether the choke rod has been bent unless you have been playing with it. Finally, why are you secretive about supplying us with the...

I’ve never had an insert come loose in my 50 years of experience.

I always use Lotite blue on any threadsert I install,

Here are two suggestions I have in my toolbox. Depending on how bad the thread are botched, will dictate which tool you need. If you purchase a kit, make sure it contains the proper length insert...

Hey Doc, I worked at Toro dealerships since the early 80’s and know where the unit numbers are located. Depending on model, there were at least 12 different engines used, depending on model and how old the model is. The engine numbers are located in one of 3 places. On the flap over the...

Please post model and serial numbers for the unit.

11-13-25. For the last five hours ( just before noon until now) I have not been able to log on. Tells me it is unable to load page, try back later. Just thought I’d let you know.

Sounds to me like you have a fuel or ignition problem. Will need to do a little troubleshooting to figure out which. This is what I would do if it came to me. Get yourself an inline spark tester and the next time you can’t get it started attach the tester and check to see if you have spark...

Star, you’re going to get mad at me, but since my bout with SEPSIS this spring I need to put on weight. Lost over 25 lbs, plus 90% of my body fat and muscle. This has resulted in very little strength and energy. Doctors who brought me back say I can eat anything I want and as much as I want...

Yardman put their name on about 50 different models and the technicians on this site hate guessing. You need to post the model and serial numbers if you want help. Look under the seat for theID tag.

Update, for the last three days I’ve started the unit with only choke, no prime, and it has started on the first or second pull. Has a bit of surge until it gets warm, but then that goes away. Manually moving the governor seems to work, but I’ve got no way to test under load. When I engage...

Update; should have said that I checked the crankcase seals when I checked the flywheel key, both are good. Muffler is fully open. This morning I tried starting the unit with choke but no priming. Started on first pull. Repeated starting the unit this way over the next two hours, both hot...

Toro 15 year old PowerClear snowblower. Model 38581 Serial 29004003. Briggs engine 084232-0121-E2. Problem; will not start reliably, hot or cold. Seems to flood easily. When I get it started runs fine. No electric start so I need it to be reliable for an elderly couple. They can’t pull 20...

I’m think that your starter is Tecumseh part number 37105 which superseded to 33329E. Because I no longer have access to the old parts diagrams, I’m just guessing. Doing some digging parts are still available. Big thing my experience has taught me about these starters, is that the must be...

Maybe this manual will help you out. http://www.tuks.nl/WFCProject/img/Engine_Carburator/81644210-Briggs-Stratton-Service-Manual-L-Head.pdf

This manual should help you out. I always change both. https://mymowerparts.com/pdf/Kohler-Service-and-Repair-Manuals/Kohler-Service-Repair-Manual-Command-CV17-CV18-CV20-CV22-CV25-CV22-CV23-CV26.pdf

I really don’t know, probably best to contact HydroGear customer service.

This service manual will help answer your questions. https://www.toro.com/getpub/22447

Before replacing this old mule I would stick a little time and money into cleaning and rebuilding the carb. Replace the float needle and seat, Tecumseh part number 631021B. I’ve attached the procedure I’ve recommended many times on this forum. Needle and seat replacement. Remove the carb...

Apologies accepted, but for others who post please make sure you double check any numbers for accuracy. It took an hour of searching to figure out the Simplicity numbers with bad numbers on a 50 year old unit. I worked on Simplicity units back in the 80’s and luckily I found some old materials...

I don’t know where to start, as the model numbers you posted don’t make a lot of sense. 1. The 990670 number comes back to a mower deck. 2. For anyone else looking at this thread the tractor model number Is 990653. 3. I’ve come up with a snowblower number of 990663. 4. It uses a belt...

That’s a new one on me, it’s just a pdf file. Everything I have is in that format. Try searching for “Briggs pulsa jet tank mounted carbs” or “Briggs L-head repair manual” and you should find material to help you out.

Have you taken any time to read the section on carbs in the manual I posted??? I’ll bet not. If you find a picture of the mounting gasket, it should answer your question. To help you out it is in section 3, starting around page 29.

Another thing, when I get a 30 year old with this style carb/tank setup, I many times find the tank warpped. Tank most times is NLA so I seal around the carb base with a good auto body sealer.

I’m guessing it is time to replace the pump diaphragm. Also, I would replace the gasket between the carb and tank, making sure it is making a good seal. This manual should help you out. http://www.tuks.nl/WFCProject/img/Engine_Carburator/81644210-Briggs-Stratton-Service-Manual-L-Head.pdf

Please provide us with the model and serial numbers from both the tractor and blower so we have a better idea of what you are dealing with. You should find an ID tag on both units.

Not everyone,. If you really knew what you’re doing you would know that the experienced techs on this forum need all engine numbers so we don’t have to guess. DIY guys like you want exact answers with as little information as possible. Bad mouthing techs like Star isn’t going to get you...

Depending on the engine model it not have one, but simply use a diode rectified system. Use this manual to identify which system you have. If you can’t, post back with the engine model, type and code numbers for some more help...

Post your units model and serial numbers. With them we can tell you which switch you need. Many switches look the same, but are very different. If you look at the sides of your switches terminals you will see letters identifying what each terminal is used for. Must replace with like switch...

Check to see if it is Lazer etched into the side of the block.

Besides a plugged fixed jet, I’ve found that over time the float needle tip expands, resulting in a drop in fuel level in the float bowl. Found the replacing the float needle and adjusting float level fixes this problem. Part number 631021B. EDIT: I should clarify added that I set my float...

Here is the wiring diagram you will need. https://www.searspartsdirect.com/model/66099rzi84-000247/craftsman-917250811-front-engine-lawn-tractor-parts Yes a switch can easily be tested, if you are experienced in electrical troubleshooting and understand how the switch works.

Looks like a Simplicity tractor. Simplicity started building NFL and NCAA branded tractors about 1996. If I remember right, I think they were built on the Regent chassis.

I wouldn’t go after the ignition switch before doing some electrical troubleshooting. Making any component assumptions could lead to added expense when not needed. Problem could be anywhere in the wiring and components between the switch and the solenoid. I agree it could be the switch, but...

A multimeter will be your best friend when troubleshooting this problem. If your daughter can get you the model number from under the seat we might be able to find you a wiring diagram to make it easier to troubleshoot.

I think that’s what I posted??

Tape measure would have told us deck size!!!

I’m guessing Husqvarna, sure looks like this one. https://www.ebay.com/itm/127360612885 It would have been a lot easier if the OP would have given us the blade size and blade part number. This would have eliminated a lot of guessing on everyone’s part. Must be a new member and new to the DIY...

This manual may help you out. http://www.tuks.nl/WFCProject/img/Engine_Carburator/81644210-Briggs-Stratton-Service-Manual-L-Head.pdf

Are you talking about the cogged timing pulley? This pulley should be tight to the shaft and there is no bearing, which I think you are wondering about. Shaft, pulley, washer and nut all turn as one assembly, when installed correctly.