Craftsman 34cc 4-Stroke Trimmer - Will It Run?

Carb Replacement!
Today we'll be fixing up a Craftsman 4 cycle Trimmer that has a Briggs and Stratton 34cc engine.
Model: C944.515580
Engine: 021032
Parts Used;
OEM Briggs and Stratton Carb: 696949 (It's possible an aftermarket 753-04745, 753-04296 or 753-1225 Carb may work and can be found on Amazon or Ebay for cheaper than the OEM carb).
Spark Plug: 790885 or BPMR6F
Air Filter: 696923
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[@EliminatorPerformance]

Many Craftsman's were built my MTD, which owns Troy-Bilt so I could see how that aftermarket TB carb would possibly work. The issue was when I originally searched for parts I couldn't find anything aftermarket using the OEM 696949 carburetor part number. But I wanted to include that aftermarket one in the video, as something you could use as an option, because it could help someone else out!

[@daintyt1]

im having the same problem

[@petersack5074]

MTD, makes A L O T of yard engine tools. Most, are under any other name: Crapsman, er craftsman, b & s, Yard machines; yard works, etc. THE part numbers, of MTD stuff, always has 3 digits, then a hyphen, and the rest of the number. BE CAREFULL, chinese clones of most all yard ' stuff '' is usually interchangeable. Like pull starter mechanisms, for lawnmowers; MTD mower ones, can be put on some Honda engines, etc. Inter change with spark plugs, etc.

[@chrisssmallengines7163]

I just finished working on a Ryobi 4 stroke trimmer . Only had to do fuel lines , and adjust carb . Runs great . Great video , keep them coming .

[@Pete.Ty1]

1st class tip on identifying the fuel lines.😊👍 Thank you.

[@suzannestehlik2479]

What a fantastic video and explanation! I’m no expert and now believe I can fix my trimmer!!

[@watermanone7567]

Great job. Some of those carbs have a plastic or metal plug in the center of the throttle shaft that can be removed and the carb adjusted. Some don't. I had one in my shop that I could not get parts for and I removed the plug and under it was an adjustment screw. I got lucky on that one. Thanks for excellent video's.

[@jerrymontalbano3222]

Superb video with instruction, probability, diagnosis and repair. Good going, EP. 8-)

[@jayrobertson1689]

Always get good stuff from you,thks

[@YunusKhan-im6fv]

Best video. Thank you for your kind work.

[@andybecker2693]

I realize that this was for video content but it’s just not feasible to fix a $225 USD value trimmer with a $100 carburetor. I received one of these as a gift. The first thing I noticed is that it was extremely heavy and bulky. The second thing was that you can’t even tilt one of these even slightly like when trimming a ditch or hill without it dumping oil through the breather hose. This saturates the air filter even at the correct level oil level and smokes like a freight train. Don’t even think about trying to turn it upside down to edge because of the same issue. The recoils are very weak and the plastic starter pawls broke several times. I thought that my 2 cycle had way more power although theoretically it shouldn’t have. My first Echo 2 cycle lasted 17 years while this lasted about 17 months. I wouldn’t sell it for any amount because the customer will not be happy it.

[@EliminatorPerformance]

We sold this to a good friend of ours, big guy who loved it. Thing cuts down even the biggest weeds with no problems. He was always very pleased with it.

[@milwsdl39]

Great video I actually have an older craftsman two stroke carb has issues did the hole take the car about sprayed out probably end up changing the carb but like you said because nowadays it’s easier and cheaper to change the carb then have spent time messing with it great job man be safe out there

[@dumbluck6180]

Nicely done!

[@jameslee6494]

This solved my problem...appreciated.

[@robertyearian227]

Good job eliminator

[@EliminatorPerformance]

Thanks for watching!

[@Mike-ig2zq]

Good vid Jake, thanks.

[@EliminatorPerformance]

Thanks for watching!

[@sheriffdoodle]

Well done ❤

[@robertmailhos8159]

Great job 👍👍

[@EliminatorPerformance]

Thanks for watching!

[@robertmailhos8159]

@@EliminatorPerformance . okay young man

[@penguinjoe1961]

As I am faced with replacing the carb on one of these, I watched this video with interest. I found a walbro carb on ebay pretty cheap (it was $18.11+$16.15 shipping - ) not sure if it is a counterfeit knockoff, but it does have "Walbro" cast into the side of it. I noticed these do have a visible low speed adjustment screw as well as a hidden high speed screw in the middle of the throttle shaft behind a plastic plug. There seem to be a lot of them up there sold from the US. Not sure if it is a new generation of these carbs, but thought you might find it noteworthy. Cheers!

[@philliphall5198]

First thing I do is look at piston and cly wall 😊

[@EliminatorPerformance]

On a 2 stroke that's really important, this one was a 4 stroke with sump oil!

[@dwightschweer3086]

I have the 32cc craftsman weed trimmer you really have work to to get it to run

[@chrisssmallengines7163]

I call the prime test ( prime for a good time) the best test to use . this test tells you the most in the lest amount of time .

[@EliminatorPerformance]

Thanks for watching!

[@ken4334]

Nice tips cheers,I have the same spray the carb no turn over.Check spark got spark.hmmm

[@EliminatorPerformance]

Sometimes old fuel can dilute the carb cleaner, remove the carb or fuel line and try again

[@WillB-lv1xg]

I would have went straight to cracking open the carb. #1 problem is a damaged diaphragm carb. I fixed one of these attached to a tiller shaft. One of the smallest flatheads I've seen. I bought a aftermarket carb for like 30 something dollars US on Ebay.

[@timgile8144]

The carb you purchased is adjustable. High, Low and Idle have adjustments

[@waynestefinashen239]

Right on brother at some point in time everything will be going electric and 2 and 4 stroke engines will be collectable. It is just the cost of battery replacement that kills electric right now but battery technology is getting better.

[@EliminatorPerformance]

Thanks for watching!

[@waynebeck7801]

Electric cordless lawn equipment has come a long way over the last few years..I think they will keep improving. Ego has an electric riding mower.

[@BrucesShop]

Thanks a lot i have one coming in today. He says a throttle cable. Will let you know.

[@EliminatorPerformance]

Good luck!

[@Yoyoszzz]

Hello! Great video Could you tell me what type of head I can use on this same machine? plss

[@Girlruthless]

I picked up a Briggs and Stratton 4 cycle (021032 0112 e1) replaced a few parts and just got it started… can you make a video on how to replace and restring the head. I can’t find how too!

[@dfields9511]

Gr8 vid Yah when ever my 2 stroke MTD made Murray 25cc goes I may go for a 40v. I have some run off areas that need the power to keep the weeds down. On the hill My m2510 has been going good on its 4th season. Always starts. I always use non ethanol fuel with synthetic 2 cycle oil A lot of the craftsman equipment are made by Troybilt.

[@EliminatorPerformance]

Yes many Craftsman were built my MTD, which owns Troy-Bilt so I could see how that aftermarket TB carb would possibly work. The issue was originally when I searched for parts I couldn't find anything aftermarket when looking up the OEM 696949 part number. But I wanted to include it in the video because it could help someone else out. Thanks for watching!

[@conner5611]

Both craftsman and troy built are built by mtd

[@bmac3486]

I have the exact same model. This video helped me repair mine. After about a year, the string won't engage to start it. Any suggestions?

[@robertwilkins3154]

I have that same weed trimmer and its locked up tight, the fly wheel will turn slightly, but stops about half way around. The cord want pull at all, and I've tried to put marvel minimal oil and pb blaster down it it, but she want budge. Do you have any advice of what to try next? Bob in SC!

[@petersack5074]

Alot of times, the diaghram is gummed up. This, does the same job for a 2 stroke, as a float/needle valve in a regular carb. Trimmers are a ' special ' type/different carb design. The primer bulb, is more of a 'purge' of gas, than a pump; which is why there is a fuel 'return' line. No excess gas, to flood,when the carb is functioning properly.

[@samuelvelez1643]

Also check out valve adjustment...

[@MischievousD33ds]

Its a flat head.

[@janovsk1]

I would adjust the valves if it hasn`t been done in a while to finalize the tuneup.

[@justinjuan3236]

yes, right on

[@rogerbranch9248]

Awesome I just bought a four-stroke weed eater snapper cranks but will not take the gas

[@jersenguard]

Hey Eliminator, What would be your price quote be for the repair or replacement of the carb and other work you did on the trimmer?

[@jameskrivitsky9715]

A friend gave me a Stihl trimmer with issues. I took it apart to find the clutch area plastic somehow got overheated and melted near the pull-start. The plastic fan melted itself to the clutch. Parts cost more than a replacement unit. So it will be for salvage. I am anxious to see what you find rattling inside. Thanks J K

[@EliminatorPerformance]

Thanks for watching!

[@BenDover4Mee]

If a 4 cycle trimmer like this happens to roll over on it's side while traveling and stays in that position for a while, and then refuses to start afterwards (after doing many of the above things - spark plug, removing and cleaning carb, changing filters etc), is it possible that oil could have gotten into the engine and messing something up?

[@bmac3486]

What's the part number for that fuel filter?

[@jphaworth15]

What compression tester do you recommend, I’ve heard the cheaper ones from Amazon aren’t worth it. I’m in Ontario

[@EliminatorPerformance]

I use this one www.amazon.ca/Professional-Tester-Cylinder-Compression-Automotive/dp/B0725RCQ8P/ref=asc_df_B0725RCQ8P/?tag=googlemobshop-20&linkCode=df0&hvadid=459300567259&hvpos=&hvnetw=g&hvrand=17051826689555580030&hvpone=&hvptwo=&hvqmt=&hvdev=m&hvdvcmdl=&hvlocint=&hvlocphy=9000745&hvtargid=pla-455606420563&psc=1 And also this one for doing leak down tests: www.amazon.ca/OTC-5609-Cylinder-Leakage-Tester/dp/B0030EVL60/ref=mp_s_a_1_2?crid=25CTBDVM3EEE&dchild=1&keywords=otc+leak+down+tester&qid=1630201291&sprefix=otc+leak+down&sr=8-2

[@johnsthinking844]

Haber fright has a transfer pump . It’s 6.99 but with coupon it’s 4 dollars 💵

[@magicone9327]

There are adjustments on the oem but they are hidden under an epoxy cap. Center line of the barrel on the linkage side is the brass end with a hole in the middle of it. Under that expo you cap is the adjustment screw. It's hidden due to government regulations of not wanting you to adjust it possibly causing pollution.

[@barackobama5304]

Yeah an extra quarter turn on the trimmer adjusting screw could cause a smog problem

[@donvoll2580]

Good day Boy video fits right in. My bro. found a troy-built. I took either down spray in spark plug & fired up. I didn't do anything else to it. How expensive is a new one? sounds like these things aren't worth buying . Thanks

[@EliminatorPerformance]

The 4 cycle ones are quite expensive, thanks for watching!

[@donvoll2580]

@@EliminatorPerformance I forgot to mention, it really idles nice. Thanks

[@samuelvelez1643]

I saw that you used premium fuel... Cool

[@EliminatorPerformance]

Only fuel wroth using, thanks for watching!

[@rickywarner3309]

Anyone know where to get replacement head for this model

[@martinpalomo2338]

What is the plug gap

[@richardhall173]

I took the carb off of mine and now the 2 long bolts won't grab when I try to reinstall

[@magicone9327]

Any oil from pcv does not go into the inner working of the carb. Only gets pulled thru the Venturi and into the cylinder no Biggy.

[@davidmckenzie4297]

How to fill the oil?

[@justinjuan3236]

maybe check the gap on the valves.

[@wiremanbob8777]

Thanks for the info . i've got a helper that has one and he has a lot of trouble with it,And i tried telling him to get a electric one. maybe this will help change his mind. his in not a craftsman.

[@EliminatorPerformance]

They're not bad, the 20v is good enough to do small residential stuff, a 40v would be better if you had taller/thicker weeds. Thanks for watching!

[@wiremanbob8777]

@@EliminatorPerformance Yes i have a Worx 20 volt and it dose a fine job on my home lawn i also have an old 120 ac volt that i retired like me, That i can get out if i let the back yard fence get's to long.

[@BigLazyMexican]

Wrong with returns. Its a gas item FYI. Be careful. I tried to return a brand new never open just received generator and they said NOPE.

[@EliminatorPerformance]

I've returned loads over the years, new and used, never once had an issue. Thanks for watching!

[@samuelvelez1643]

Does it has a spark arrestor?

[@armyvet4081]

I live in US ohio. I got a carb, lines and plug for 15 dollars. I am so sad you had to pay so much.

[@EliminatorPerformance]

That's a great deal lol thanks for watching!

[@magicone9327]

MTD makes them all the different trimmers except Stihl. only need the throttle linkage and cc correct. Why can't you just fix the original? Easy peasy

[@hunter1953]

cant beat factory parts . I just fixed an expensive Honda lawnmower that needed a carburetor and the factory one was under 30 dollars so why take a chance on an aftermarket one . I have used aftermarket ones without a problem but they were on cheaper and older machines .

[@EliminatorPerformance]

Thanks for watching!

[@samuelvelez1643]

Check it out

[@rightconditions2789]

Fixing gas trimmers not worth it?

[@EliminatorPerformance]

Usually if I can find a cheap aftermarket carb and swap it out, some new fuel line and both filters, it's worth it. For under $100 a customer could have a machine up and running again.

[@samuelvelez1643]

Most 4-cycle carburetors are non adjustable