How to diagnose and fix a Honda Lawnmower, wont start, no fuel, no-spark
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- เผยแพร่เมื่อ 24 มี.ค. 2019
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Whats going on everybody! Today I’m working on this Honda mower that hasn’t been run in a while and won’t start up. So I’m going to take you through the steps that I use to diagnose a non-starting small engine. First off, lets take a look at the oil and see if there is anything in there. That dipstick is dry as a bone, so we will need to put in some oil before we try to start things up. There, that looks a lot better. Then check to see if there’s any gas. Now its time to try and start the engine. Let’s check the easiest thing first. Make sure you don’t have any obstructions in your air filter that would block air from coming through. In, my case there was just a roach, and some roach droppings, but I have found cardboard in these before…. Don’t ask me why someone put it in there though. - แนวปฏิบัติและการใช้ชีวิต
I am SO happy I came across your video! I had cleaned the carb, checked everything, and thought I had gotten the Magneto cleaned from the surface. Nope, pulled it and the center contact had rust on it. Cleaned reassembled and it fired right up! Not bad for an old lady! THANK YOU!!!
What you see is what you get - an excellent tutorial that covered all the right points logically. Very helpful thank you.
I have a Honda mower and I love it! I clean the spark plug at the beginning of the season, check / replace the air filter and clean the mower after each cut. After about 15 + years it’s still going strong. No issues with it so far.
Newer Honda lawnmowers, use an auto choke system. If the engine does not start while cold, but it starts well when hot, the thermowax cartridge, located in a hole on the side of the cylinder in line with the choke linkage may have failed. If the cold engine starts and stays running using carb cleaner when you spray a shot into the carburetor to prime it, you will know that this wax cartridge has failed and needs to be replaced. It is a "thermowax" 16620-Z8D-305 part from Honda. A good thermowax will have the little probe retracted when it is cold. Conversely, a failed thermowax will have the probe stuck extended while cold, holding the choke butterfly open. So the engine is starved for fuel when cold. The probe in the thermowax moves the choke butterfly open when hot and closed when cold.
Good point, George. Problem with mine staring cold was the thermo wax cartridge. Replaced and now starts first pull. Damn things are expensive, $30.00 on Amazon for a genuine Honda part.
I saw a video of a guy getting a manual choke system and by passing using the thermal wax mechanism. I’m thinking of doing this to my Honda tired of it failing at least 3-4 times a year.
BERT!!!!!
This isn't even related to my issue, but I watched the whole video since it was educational and fun to watch, so thanks for that.
I picked up a Honda mower from the curb and I'll try this stuff on it. Thanks Bud!!Woof!!
This was the most helpful video I found on this topic. Great video quality and close ups. Thanks a ton!
Thank you so much for this video. I followed your instructions, cleaned my coil contacts and the mower runs great now!
Another thing those Honda engines are good for after they've been sitting awhile is no compression.
Then you have to pull the valve cover and remove the intake rocker and unstick the stuck intake valve and it'll have compression again.
This is Definitely one of the most informative videos on TH-cam!!! You definitely help out. I missed one step and it makes sense why it has stopped working. Thank you! When I'm done I'm going to let you again only if it worked and if not I have a much bigger problem than I thought!! But thanks mydude seriously
Great video, fixed my lawn mower by following those exact steps. Much appreciated
Always glad to hear that
@@CreativeMechanic An interesting video, not only was there no spark, that carburetor was filthy.
This video was very helpful. Thank you. My lawnmower sat for a year. Went to use it and wouldn't start. Followed step by step and now it's working. Thank you for this video.
Well done. I like how it was delivered the know how about potential problems, and perhaps real ones, in the mower. V useful. Thks
This video was awesome for someone like me who's having some troubles with a Honda mower. Thank you!!
You make the latter steps (putting the parts back together), much easier than it really is. For most people, this is NOT a one person job and if one does NOT have a lot of patience, send it to someone who does.
I replaced the bolts with studs. Makes reassembly much easier just sliding everything on in order.
Thanks for this video! Mine was backfiring after running great all summer. I followed all of these steps and runs like a champ again. Appreciate you taking time to make this video.
Backfire is when the engine fires back up the intake, after fire is when the engine fires through the exhaust. This can be caused by improper valve timing or a rich or lean mixture
Thank you so much, trying to start for ages, followed your advice re back of coil dirty , mine was, started right up👍🏻
They are a pain putting back together also aggravating at times lol thanks so much for your help runs like a champ👍
Excellent video with a touch of humor too. Ive got this same mower. Had same problem. This vid helped.
Thanks for very helpful video. I got my honda mower back from repair shop three weeks ago. They did a tune up and rebuilt carb. The first time I tried to start it, took 8 pulls. Week later.6, then next week would not start. Watched your video and checked for spark. No spark, so pulled coil off and cleaned rust off contacts. It started with one pull.
Excellent video. Followed the step by step process and I was able to narrow down my problem to the faulty spark plug. You save me a bunch of money.
Glad to hear it!!!!
Best tutorial on removing and cleaning a Honda HRX mower carb I've seen yet. Well done!
Dude, awesome video.
Thank you from the UK 🇬🇧 🙏
👍👍
great video...easy to follow and funny as well...
Thanks! best video on Honda mowers I’ve seen 👌
Thanks for great tutorial..it solved my problem and mower is cutting again
This was excellent. Pretty much everything i did apart from clean the carb jet. UPDATE. Cleaned out the jets and it purrs like a kitten.... Honda engines are pure genius
Had not seen a video that spoke about the magneto spark. Great Video, thanks.
Great vid, very informative & detailed ! Plus i like the dog cause its brendle
Excellent upload. I’m officially subscribed. Thanks from New Orleans 🎭
Impressive I have gotten up to air filter, new gas & spark plug so now I am going to prime it. After that I'm looking for a Mechanic if it don't start.
Very helpful and clear,thanks a lot.
I watched and saw why I couldn't get it a mower with the honda GVC160 TO run ¡ I thank you people.
One of the best instructional videos I've seen!
Thanks for that video I"m about to have a lookat mine and your electrical tips will be put into practice.
Thanks that was very clear and to the point.
Well done. Helped me get mine going.
Yup it was the one step I forgot about. Since it's been a wile. But anyway thank you and again you have great attention to detail!!
Which step was it? Glad you figured it out
Thanks man!!!! I appreciate the help!!!!
I fixed my mower with your help! Thank you! My first carb breakdown and it runs perfect now! And i am Not a mechanic! I did subscribe to your channel
You are internet certified
Thanks for sharing!
Great video!! and great advice!!!
Big up from Scotland
this video really helps!!! Thanks
Excellent video mate👍🏽
had a honda power washer, same thing, but could not find anyone around here who knew how to fix it, one guy tried, it came back leaking gasoline, thanks for the video
Its best just to buy a whole carburetor for a Honda. Thats what I do. I have replace 3 this year.
This was the best video I’ve seen for troubleshooting a Honda lawnmower. The shirts are fucking awesome too
Awesome! Tell your friends!!!
near the end of the video, "fuel cutoff valve", should have been the first thing I checked. Thanks!
Thanks so much for this. I applied it to a Honda GVX160 and it was more or less the same. The carb was completely filled with gunk. After cleaning as you suggested it started pretty much on the third pull. Couldn’t believe my ears. It had been standing for 5 years. You provide an amazing service!
I have one of those. So far I have replaced all the wheels, both rear wheel adjusters, the carburetor, all the cables except the throttle cable,and now the transmission and axle. I hope this thing is worth the effort. The front wheels are supposed to lock up but the cables were frozen. It was $66 just to replace them. I only paid $35 so I pray it doesn't need anything else. The transmission cost me $145. I normally just part them out but committed myself to repairing this on . I have another with a badly bent crankshaft that I plan on replacing. Honda mowers are over complicated for what they are. Those drive shafts are trouble. Every one I got refused to go backwards. Usually it's rust on the axle. Honda needs to get its act together.
Good demo.it was clear.
thanks for the clear info
Good job buddy and thanks
It s very helpful
Thank you very much
This is the most common sense method for troubleshooting any small engine with no start problems. If I didn't know this already I'd be subscribing. Hey CM I've been wanting to explain to TH-camrs exactly the process you demonstrated how to troubleshoot this Honda. I'm scratching this off my bucket list because you beat me to the punch and its essentially Mission Accomplished. Thanks for putting this up.
Thanks!
@@CreativeMechanic and you did it in 9 minutes. That was some really nice editing. Great Job!
The only thing I should have left in was to check compression! But I’m at the point where I can usually feel burnt rings when I pull the pull chord. Thank you!!!
very helpful video thankyou
Thank You.This Is Awesome Information.Richard.
Thank you for sharing your great video
To clean the jets and air passages, you need to remove them and clean them manually with small wire or carb brushes. Then spray everything thoroughly with carb cleaner. An ultrasonic cleaner works great with carbs if you have one.
You make it look easy
That roach scared the shit out of you man hahaha. Nice work!
I was thinking “ I bet he touched cloth on that one!!”👀😝😂💩😷
Thank you so much God bless you
Great I love it!!!
I’m pretty sure my carb is clogged. Sounds much cheaper to clean that out and try it than spend $200 plus on a new mower. Great video!
$500 for Honda lawn mowers
THANKS FOR THIS INFORMATION
Thanks for such a great video.
I've had to buy a couple of new gaskets for mine. Should I use a gasket adhesive to keep them in place when reassembling?
NEVER let a Roach live! Grrr good job. This was nice. I have the honda Honda Model 12A-986Q795 and got it used for $75 a month ago. Worked great when i tested it out and worked great an hour later at our house. That's when i noticed there is no Primmer Bulb at all and that is kinda important. Hoping the one at Lowes for $6.29 will suffice! Not sure if thats all it will need but the filter is pretty nasty too. Wish us luck, our yard is gross.
Not all mowers have a primer bulb, hope you got it going
Very helpful video!!!! Thank you
You're so welcome!
Good job
Damn roach scared me too😂
That Dog must bend the shovel handle when you clean the yard up after him !
Excellent teaching video and thank you. Are there any carb adjustments other than the idle screw?
Mixture screw too, but those are both usually spot on from the factory and don’t need to be touched
Bert come back, we love you. we can't live without you!
A big THANK YOU 👍👍👍
Thanks for this video, there was one small thing I missed while cleaning the carb, again thanks!
Didnt know about the magnetic thing. Electricity confuses me haha.
I'll have to remember that magneto one, I would have never thought about it
I was wondering how to check if the needles were clogged.
I just blew them out with the air compressor & hoped for the best
Now I can check to see if they are cleared after I blow the stuff out of them
Thanks for the video man. Your Great Dane sure is big mate, but happy looking. What is his name?
very informative
Thanks
Thank you
Excellent video. I've been watching a ton of these and this one is the best I've seen. My problem is that even after following all the steps - even replacing the carb with a new one - my mower still won't start. Mower sputtered and died while mowing and haven't been able to start it since.
You may have a bent push rod, a bad valve, or leaky piston rings.
Thanks, a lot
Excellent
Great video, Thanks. However, My issue is a little bit different. Just went to start my 25 year old Honda 214 model ( I believe) Had started it every year, and ran for about 15 minutes. However, for the past 2 did not. Brought out yesterday to start and service, and starter cord would not pull at all. Tried moving blade underneath, but remembered there is a blade brake/clutch or similar devise in place. Just trying to free piston. Note mower always kept in air conditioned/heated garage, never out in elements. Also, always ran carb dry . Any suggestions to free motor would be great. When it ran, it was just fine. Thanks Robert TN
Sometimes when lawnmower hit something hard get stuck and won't pull the cord or kick back the handle cord front the hands and blades not moving or hard to move with the hands.
You can try moving the blades move the blades with a long wood and if you thing is a divice or cluth stopping the blades you can try put the handles in running position but be careful this is only to check if the blades move a little to free the piston.,
Thanks so much for the response. Stupid on my part. The day before removed blade to sharpen first. Had put blade and attachment Back on improperly. Blade in holder upside down. Raised against deck. Once put back on properly, All good to go. Thanks again Robert TN
Just so you know, to start these Honda mowers with the flywheel brake, you have to engage the blade when pulling on the rope. I noticed that at 1:08, the blade was not engaged when trying to start the engine. Sure, the blocked carb and choke mechanism not working would've prevented it from starting, but not engaging the blade will also not start the engine either.
Bert, great video. Very well done and informative. My mower hesitates a lot when I initially try to start it. Im thinking the carb is fouled up. Thought about just getting a new one as they're not that expensive. Your thoughts?
New carb, absolutely. Then clean your old one. That way 1-2 years in the future when your mower won’t start, and you don’t have time to wait for a new carb.....
Sincerely, Ernie
@@CreativeMechanic Awesome. I wanted the new one so I could not feel pressured if I couldn't get the old rebuilt correctly. Never done that before. Thank you for your awesome video. It was very thorough.
I have spare carbs for all my personal equipment (Honda isn’t mine). Swapping a carb on Saturday morning takes 15 minutes then I can get mowing. Cleaning out can take 30-45 minutes or longer on your first go
@@CreativeMechanic thank you. As soon as I get my new one, I will watch your video a few more times and take it apart, clean everything and then attempt to put it back together. I'll follow the same rules when I rebuild a PC. Label EVERYTHING!!!! Take pictures of what it was like before so I can have a reference. I'll keep you informed. Thanks and enjoy your 4th of July weekend.🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸
Great video. Now I have to find a mower that someone has thrown away so that I can practice.
Thanks homie
Thanks.
I like your video and is very very helpful to me and many others like me but I've a question for you, could you tell me what's wrong with my lawn mower it'll shut off after 30 minutes of running and have to let it be like that maybe one hour or less and it may work or it may not....
I really do appreciate your time in advance and I know it'll be hard to diagnose it remotely but I bet you can do it because I feel and know you are an expert
Great !
To All People.Honda Is Simply One
Of The Best.Yet, The Gas Cap.
Is A Joke.Richard.
Nice leatherman! Is it the rebar or supertool 300?
That was one nasty fuel bowl!............
Good hon on repairing it.......👀😎👌👍🤘✌️🇨🇦
*on. 👀🙄☺️😁✌️
😂
Thanks for the video, What's chemical spray did you use to clean the carburetor and other parts of the engine? Thank you.
Okay. I've tried a service. I replaced the thermo wax on the auto choke. I saw this and tried to clean the spark plate but it wasn't that dirty. I got a spark from the pulled spark plug. I cannot figure it out. Just won't fire. Tried starting fluid as well.
Thanks
Might want to check auto choke when torn down
can we use brake cleaner on the carb? Don't have mass sensor cleaner on hand.
When cold, the Honda's starter rope is hard to pull. After it warms up, its easy. Ever run into that ?
Hey man, my honda mower has an issue, when I activate the blade, is turned off, I will like to know how to fix. Thanks
Sounds like the cable that attaches to the lever on the handle is broken
Howd that thing get so dirty but the filter looks so decent?