How To Repair A Seized Stihl 4Mix FS111R KM131R FS131R KM131R

Рет қаралды 7,882

ToddM

Күн бұрын

Пікірлер: 36

@doglegjake6788 8 ай бұрын

Excellent video

@austinado16 8 ай бұрын

Thank you!

@Charles-e5v3m 6 ай бұрын

You done an excellent job of saving this unit. Great video!!

@austinado16 6 ай бұрын

Thank you very much!

@DugatDizzyLizzys 2 ай бұрын

Hi ToddM I had a Stihl Leaf blower come in that the bottom bearings had seized up, and the primer bulb was full of fuel with a hit of 2 stroke red. Customer didn't put the correct mix in as it made it smoke to much 🤦

@austinado16 2 ай бұрын

Hi Dug! People sure are hard on their equipment! They're lucky to have you as their mechanic!

@DugatDizzyLizzys 2 ай бұрын

@austinado16 thank you. I try my best, but recently, I've noticed a lack of quality in machinery compared to when I started up 14 years ago.

@austinado16 2 ай бұрын

@@DugatDizzyLizzys I see it also.

@abnergonzalezmendez9963 Ай бұрын

I have an stihl 131R that broke the piston , My neighbor put the piston on it, it only turned on for 5 seconds and went off. Do I have to sand the cylinder before installing the piston? what could it be

@austinado16 Ай бұрын

There's no way for me to accurately know what's going on with your machine.

@jeffdenney4148 4 ай бұрын

Sorry sir I see the gasket stuff now awesome job

@animalmother556x45 28 күн бұрын

Someone needs to get a metal tag with “MIXED!” stamped in it, and attach it to this fella’s fuel cap. I assume he is just forgetting?

@austinado16 28 күн бұрын

A lot of these fellas are going super cheap on the mix oil. I'm guessing it's because they see it as an added expense, and with gasoline at $5 per gallon here, they're feeling ripped off. A few scenarios wind up happening: They forget to put mix in. They use a very small amount of mix. They buy extremely cheap mix, which is clear (what this customer routinely does). And in addition, they remove the debris shields so that they can run the string long, and get more done, faster. 100% recipe for destroyed engines, and clutches. I had a burned up PB-770H a few days ago, with the operator saying he uses mix, ALWAYS. The piston and cylinder were deeply scored, 360 degrees, which means extremely small amount of mix oil, and then run the engine for several hours doing huge parking lots, until it no longer restarts, because the compression is only 70psi.

@animalmother556x45 28 күн бұрын

@austinado16 Do you see any benefit with these 4Mix engines of running the mix a tad more oily? I know a lot of professional chainsaw guys that use 40:1 instead of the 50:1 that Stihl recommends. I've never done that with my 2 stroke engines...but I may be about to get a 4-mix trimmer, and with all of those extra moving parts, I am left wondering.

@austinado16 28 күн бұрын

@@animalmother556x45 I tell all of my customers to be doing this, especially the ones who I know are doing big "field clearing weed abatement" and large parking lot jobs. I also do it with my own equipment, and especially oily heavy on the machines that I repair or fix-and-sell, so that they leave protected, which is why you'll see smoky exhaust on most of what I start and run here on the channel. Oil is cheap... Engines, not so much!

@animalmother556x45 27 күн бұрын

@@austinado16 I appreciate the insight, sir. Thanks!

@austinado16 27 күн бұрын

@@animalmother556x45 You're welcome. You may have really good service from Echo's Red Armor mix oil.

@chris-ob9te 3 ай бұрын

Before I got my 131 sthil some one had been in side it before didn’t have not 1 gasket in it and someone was running straight gas in it and the lobes where the wrist pin was broke and shot the pisten to the top of the head

@austinado16 3 ай бұрын

The Stihl engines are glued together with a red silicone product, at the factory. The only gasket is the cork gasket under the valve cover, and of course the base gasket for the carburetor, and base gasket for the intake block. They're tough little engines, but not without their faults, and straight-gassing them is always going to destroy them.

@g-mc4507 5 ай бұрын

How much does a repair like this cost? I’m guessing it’s still cheaper than a new machine.

@austinado16 5 ай бұрын

Depending on overall condition and age of machine, it's usually worth doing.

@jeffdenney4148 4 ай бұрын

Why no gasket maker

@austinado16 4 ай бұрын

If you watch the video, you'll see I'm using anaerobic sealant at 14:40 15:40 and I talk about it at the 2nd time stamp.

@jeffdenney4148 4 ай бұрын

@@austinado16 I have the same weed eater runs good but when I use it it loses power any idea what I could do to fix it by the way great video thanks

@austinado16 4 ай бұрын

@@jeffdenney4148 It's tough to accurately diagnose from behind the keyboard Jeff. Make sure the air filter is OEM and new. If the carburetor has been replaced by a cheap replica, replace it and the base gasket with an OEM Zama carburetor. Make sure the fuel filter is OEM, not a replica, and it's new. Verify the fuel tank vent functions. Adjust the valves to spec and leave the exhaust valve just a littler looser than spec, so that the valve runs cooler(because it spends more time closed and transferring its heat to the cylinder head). Verify the clutch drum bearing are still good (silent and smooth). Verify the driveshaft is not only lubed, but that it hasn't been run so hot that it's melted the nylon liner that it runs in. Verify the gear box spins silent and smooth, and grease it if it's good. If you run the machine with the debris shield removed and the string long, that will overload and overheat everything: gear box, drive shaft, nylon liner, clutch bearings, clutch assembly, crankshaft bearings, piston, wrist pin, cylinder, and destroy the machine.

@SammyEddie 2 ай бұрын

@@austinado16that’s the most thorough comment on diagnosing an engine I’ve ever heard

@austinado16 2 ай бұрын

@@SammyEddie Thank you.