I've had my 125B for almost 2 years now. Used every couple weeks throughout the summer is all for lawn clippings, then a few times during the fall for leaf debris. Last week I used it and all of the sudden it didn't seem to have the max output it usually has. In fact at one point it shut down on me while idling. Started right back up, but I felt like I had to nurse the idle to keep it from shutting off again. Thanks for this video! I feel a lot better about breaking it down and checking for loose bolts!
Yeah, seen that broken tab a lot. I actually drilled and tapped a threaded hole in the residual part of it. Then secured it with a small machine screw (something like 10-24 as I recall) along with blue Loctite. 2 years later & still holding.
for what it is worth, I took my 125B apart today and it had two broken engine tabs. The carb was barely hanging on. I tightened everything up as best as I could and it runs ok. Going to run it to the end of the year and then give it away locally for parts for someone else. Probably had it for five years. Kind of disappointing it didn't hold up better. Thanks for the video.
You, sir, are a hero. I had replaced the carburetor and fuel filter, lines, etc., Air filter. Was better, but still bogged. Before I took out my handy spline tool, I followed your impeccable directions, and tightened the very loose carburetor boot bolts. Tuned it a bit and it runs like new. THANK YOU!
Like others responding, I replaced carb, filter & fuel lines. Blower would still sputter to a halt. Did notice the carb was wobbly even though I made sure it was tightened down. Then I came across your brilliant video & thought, right this is it! Thanks for giving an awesome description of how to access the two bolts securing the block the carb mounts too. Would not have found them without your video. I was already researching the next blower to purchase. Many thanks!!
Thank you, thank you, thank you! I was days away from going to Home Depot to replace my Husqvarna 125B. Great directions with great humor! I was hesitant about tackling this job but your video showed me everything to do and not do!
Hey Sir. I have the exact blower you are working on.I notice the carb/filter were loose and not running right. I followed your steps and WALAH! It runs like a champ. Thank you so much for the advice. :-)).
Thank you for posting this video. I haven't had any issues starting or running wise, but I did notice the carb has become loose, I removed the air filter and checked the two nuts inside and they were tight, so I was left just trying to figure it out. Then I found your video, and God bless you, now I know what to do.🙏👍
Thank you so much for this video. Had no spark so I replaced the coil and plug and it still did not start. Long story short it was the screws on the bottom of the crank behind the fuel tank that you mention. Tightened them up and it fired up on the first pull. Compression issue? It explains the oil/grease inside the leaf blower. Thanks again for this tip that I did not see anywhere else.
Thank you for the video. After putting on 2 carbs i ran into your video. And lo and behold that was the problem. Ran like a champ after tightening carb and putting back together. Thank you
Really satisfying being able to do a job yourself, save money and learn a few things. This video did the trick for me and I am thrilled. Tore down and built up jet engines in my younger years but this job made me feel accomplished. Weird.
Very well done. I think one of the best videos I've seen to date. Got lucky and homed in on your video right off the bat. I was very suspicious of the movement on the carb. I just didn't know if it was boot flex or loose. I came to the conclusion after throwing everything in the book at it that the loose carb had to be the issue. The blower came very close to getting junked but I thought I would try one more thing before I junked it. With that being said, thank you for the time that you invested in this video. Again, Well done!
Great vid, thank you! Mine's loose like that too. Too bad I didn't see your vid yesterday, I had the blower apart to replace the carb, fuel lines, etc. Will be doing your repair today.
Alright, got er done! Your vid @ 4:12, I had the very same screw loose, but luckily it was just loose and not a broken engine mount. And the screws for the carb were really loose, wow! Thanks again for the vid, I wouldn't think to do all this.
Another machine to be on the lookout for! If I ever get one of those in I'll probably automatically disassemble completely and reassemble with threadlocker and torque to spec. Your remarks about this being such a prevalent issue with this machine are certainly borne out by the sheer volume of commentors saying they had the same issue. What's really amazing to me is the number who throw parts at the issue instead of diagnosing first. Even spraying a volatile at it while running would prove an air leak if they don't have the ability to pressure/vacuum test. The design with fasteners coming from behind instead of the standard front facing fasteners for the intake insulator is a real doozy! Whoever thought that one up deserves to be fired! This is the first time I've seen that. One further comment/question: Since I'm on my own clock (not company time) doing repairs and flipping, do you thing it would be feasible (and worth the effort) to repair that broken engine mount? Not seeing it in front of me I can't tell for sure, but I'm thinking JBWeld or the superglue/activator or baking soda trick. Thanks for your time, Scott, and for another well-produced and helpful video. You da Man! :)
You have to decide if it would be worth the effort. Yes you could spend extra time on a repair just to flip it and create cash flow. Thats not a bad thing. If you decide to go that route you need to be sure you've found the reason for the breakage in the first place. In this case it was a vibration...maybe a broken impeller fin or just a loose mounting bolt?
Yup, of course! I was😂already thinking about what might have caused that break. My first idea was bad engineering - the planes where the engine feet and the frame meet might not be the same so more stress was placed on the one mount. I’m also thinking about rubber sheeting on all three as shock absorbers. Always re-engineering everything! 😉🔧
Awesome video and tutorial. I'd just put in a new carburetor, fuel lines and primer bulb. And still having issues. Glad I came back and looked at some more videos. Definitely have the problem you've described here . Thanks again, and I'm off to the work bench 😂
I need to dive into mine. Decided to act up 30min into opening act.. maybe stage fright. Uggadugga or an elbow I’m definitely trying to troubleshoot this problem. Great video & help 👍🏻
Thanks for the detailed repair! Found it very helpful to repair my own 125b. Just found your channel. Hope you continue to post these kind of instructional videos.
Were it not for you and this video I would have tossed that blower after putting on a brand new carb and still having the same problem. Your video was spot on. Thank you.
Great vid!!! I watched and followed your procedure. It made the job sooooo easy! It turned out that the carb boot wasn't my problem (but it was a bit loose). My coil wire was cut by rubbing the housing (another poor design). But the way you showed how to disassemble and reassemble made the job a snap and I found plenty of loose bolts along the way. I also surprises me that they don't use thread locker anywhere. Oh, well. Thanks a ton!
@@bounjamin Exactly. It had been starting hard for awhile, but wouldn't go this time. Once I replaced the coil I just removed a little plastic where it was rubbing the wire and all is fine.
One lite uga Duga and a twist. I like that chit😂 I like you video neighbor I'm learning allot with the TINY amount of time I have to watch u!!! Thank ya neighbor
Thanks for this video, especially the part about reverse threading on the intake blades. Did all this (took a few turns on the carb screws) and more, but still stutters. New coil, spark plug, carb, fuel lines, air filter, muffler screen. Any other ideas? My next endeavor will be to take apart the head and gearbox to look for cracked parts.
@@TheGreasyShopRag yes, I bought a tool set two years ago when I discovered most small engines are tuned for Arizona summer and not PACNORWEST Fall....
Well thanks for the video hope this fixes my issue mines been loose for prob 2 years ive had it about 6 use it for my lawn care business but the past 2 years started having low idle and slight miss when runing full throttle. So thanks again gonna try this when i get the time to piddle with it
Thank you, sir. Saved me some headaches. Simple to follow instructions. The ole 125B roars again. Glad you gave us the torque specs too. I would have only tightened to 2 uga dugas instead of the 3 you specified. No doubt I would have been back in a month doing the same repair.
I have a Husqvarna 125B blower when you first start it it runs good for about 45 seconds you can Rev-it up runs perfect but after about a minute and a half it acts like it doesn’t wanna stay running like it’s bogging down has a new carburetor new air filter new fuel filter new spark plug I just don’t understand I was thinking it was the coil getting warm and shutting down what do you think
Certainly the coil is a possibility. Maybe crack the gas cap and see if venting the tank helps. Another possibility is a scored piston/cylinder. Pull the spark plug or muffler and inspect the cylinder for scoring. It should be smooth and shiny.
Thanks so much for this video. I have been noticing the carburetor mount getting loose and my 125b has been cutting out in idle after running for 15-20 min. Maybe this will help with that issue. Maybe time for a new carb?
If the cylinder is scored then junk it? I have one now with what looks like a scored cylinder wall with lines going up and down and a no start. Assuming I have no compression. It also has the loose intake that you repaired 8n this video. Would that cause a no start or just run ability issues. Thanks
It depends how loose it is but its an air leak. An air leak can cause all those problems including a scored cylinder. A new piston and cylinder lists for $77 right now and the gasket kit is another $20. Thats half the replacement cost. I can't do that repair in a shop if I have to add labor because they could get a new one with a warranty for close to the same price. All of this is assuming that nothing else needs replacemnt like a crank seal, impeller or tune up parts.
When these screws are loose there is an air leak. An air leak in a two cycle engine causes a lean condition. This lean condition is what creates the bog in this situation.
@@TheGreasyShopRag Well that answered THAT question! ;-) I was going to ask about the drill/driver and the impact. While we're at it, if you're happy at this date with the inspection light, what's the make/model of that?
Great video! Thanks for the step by step diagnosis and cure. What type of inspection light are you using and do you have a link where it can be purchased. Thanks for your help and keep up the great work!!
Thank you for the phone video. It looks like to me Husqvarna have to have a training program on assembly of their products to make sure it's done right boats coming loose after one year that's kind of bullshit.
@@TheGreasyShopRag I think it's an assembly standards issue. All those screws should have threadlocker on them. Saves time to just torque them down, but that's no guarantee they won't vibrate out over time. This model is living proof of that. If, on the other hand, there IS threadlocker on them from the factory, then the fasteners are probably not matched well enough to the threads cut by the tapping machines. May have been a bad batch of fasteners from a sub-contractor.
@@Rein_Ciarfella I have to wonder about the distance from the intake fastener to the air filter box. Thats a lot of stress applied to those fasteners every time the air box is bumped. The extra leverage might just loosen them a tiny bit every time that happens.
@@TheGreasyShopRag That’s a possibility. Maybe the fasteners have stretched permanently and then vibration causes the parts to move enough to start loosening. Weird. Makes a recall a strong possibility if so many fail out of one production run. I’m thinking this would be a great machine to ask for on Freecycle and at the various shops locally who have just scrapped them, since the fix is so simple and cheap. Be a good flip.
Sexy looking CT761!!! Looks like I need to get a light for scoping. I also need to see if you do any more 🏍 or Husqvarna 700HU w Honda motor lawn mower maintenance videos. I need some self propelled cable guidance/maintenance tips.
You'll see more bike videos but few if any lawn mower videos. Believe it or not, I only do customer repairs on handheld equipment and robotic mowers. We have others that repair regular lawn mowers. Imagine swimming in your own disgusting oil all the time. Filthy 4 strokes. Seriously, I help them when asked but don't foresee any video opportunities.
How the heck did the screwdriver get stuck in the muffler, and how can I get it out? Ugga Dugga drive.google.com/file/d/1ECe2hl-bQz3vLoCQeo6VF_52mdZtyP0d/view?usp=drivesdk Got it with vice grips and a hammer