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lawn mower kicking my arse
Posted on 4/10/25 at 8:38 pm
Posted on 4/10/25 at 8:38 pm
older yardman mower with honda ohc engine. was running fine, then would quit after a minute. obviously fuel right? changed the carb, and it started right up, but quit a minute later. blew out the fuel lines and the shutoff valve. same thing. cleaned the tank and left the cap off. fresh gas. started fine, ran fine for 30 seconds, then quit.
plug looks good.
is it time to put it on the street and spend $350 for a new one?
plug looks good.
is it time to put it on the street and spend $350 for a new one?
11
Posted on 4/10/25 at 8:49 pm to piratedude
Change the plug
New air filter ???
Leave air filter off and see if it will run
New air filter ???
Leave air filter off and see if it will run
Posted on 4/10/25 at 8:56 pm to Ncook
quote:
New air filter ???
yep
quote:
Leave air filter off and see if it will run
yep. also left the gas cap off
quote:
Change the plug
there's not much else to change, so i guess i will do that.
Posted on 4/10/25 at 9:31 pm to piratedude
Ignition coil overheating
Posted on 4/10/25 at 9:35 pm to piratedude
Does it have a wax choke? My Honda did. It failed and would get stuck causing issues.
Posted on 4/10/25 at 9:43 pm to piratedude
Sounds like a fuel issue or maybe a coil breaking down. Did you put a Amazon or Ebay $15 carb on it when you changed the carb? Past experience has taught me to rebuild the OEM instead of the Amazon/Ebay route. Four stroke motor carbs are not complex. I would try deep cleaning the old carb/new carb kit and see if it fixes the issue.
Posted on 4/10/25 at 10:00 pm to Fraid Knot
quote:
Sounds like a fuel issue or maybe a coil breaking down
i have satisfied myself that it is not a fuel issue. having never experienced a coil failure before, I just assumed electrical issues would be working fine, or dead. I have ordered a new coil and plug, and we will see monday.
Thanks
Posted on 4/10/25 at 10:19 pm to piratedude
I had issues with a Honda engine pressure washer with gas getting into the oil reservoir causing the condition you have.
Posted on 4/11/25 at 6:47 am to East Coast Band
Get a good battery powered machine. Love life! 
Posted on 4/11/25 at 7:18 am to Bayou
quote:
Get a good battery powered machine. Love life!
I was anti battery mower but when the front metal housing split and caught the blades on my very old Honda self propelled, and the propelling quit that very same cut, I went out and got the EGO to go with the EGO weed eater and blower I inherited recently. Man, what a difference and the EGO was on sale at Lowe's, with an add'l free battery.
And before I get ridiculed for the Honda, plan is to cut out the piece of dangling metal, tune it up and use it to cut in my ditches that are often wet. Can't say goodbye to it yet!
Posted on 4/11/25 at 7:21 am to piratedude
Try a new plug. If that doesn’t fix it change your ignition coil.
Posted on 4/11/25 at 8:36 am to piratedude
would do a compression check and check your valve lash. Always do the free stuff first.
Posted on 4/11/25 at 8:45 am to piratedude
When a piece of equipment runs for a period of time, and then quits, I check 2 things first. 1- make sure the fuel tank is venting properly, and not creating a vacuum in system. 2- Check the carb float needle. If it is getting stuck in the up position, you will burn the fuel that's in the carb bowl and then it will starve for fuel. It just so happens that 30sec is about how long it will run off of bowl fuel ....
Posted on 4/11/25 at 10:26 am to piratedude
Check your oil level as they will shut down when low
Posted on 4/12/25 at 12:02 am to GBFINC
Check your oil level as they will shut down when low"
I second this. Honda often has a low oil sensor. Lowe oil can cause what you're describing. Good luck to you.
I second this. Honda often has a low oil sensor. Lowe oil can cause what you're describing. Good luck to you.
Posted on 4/12/25 at 1:39 am to LEASTBAY
quote:
Does it have a wax choke? My Honda did. It failed and would get stuck causing issues.
This. The thermo-pellet choke is almost always the culprit with this issue. Cheap and easy to replace, I keep a few spare on hand for my 8 year old Honda mower, have only had to replace it once so far.
Posted on 4/12/25 at 10:05 am to Clames
Posting some images. Make sure you get an OEM Honda one. Just grab it with a needle nose or something and slide it out. It will be tight.
This post was edited on 4/12/25 at 10:06 am
Posted on 4/12/25 at 12:58 pm to piratedude
quote:
is it time to put it on the street and spend $350 for a new one?
Been a minute since you’ve shopped for mowers. Might have to dig a little deeper in that pocket if you want a Honda motor. My mom’s mower went out and I looked around and man alive they’ve really gone up in price.
Posted on 4/12/25 at 8:23 pm to jmon
quote:
I was anti battery mower but when the front metal housing split and caught the blades on my very old Honda self propelled, and the propelling quit that very same cut, I went out and got the EGO to go with the EGO weed eater and blower I inherited recently. Man, what a difference and the EGO was on sale at Lowe's, with an add'l free battery.
The light bulb came on and you realized you didn't throw away your MAN card after all!
Posted on 4/29/25 at 4:08 pm to piratedude
Time to update.
If you will recall, the mower would run, then die.
I changed the carb, same result.
cleaned the tank and lines, same result.
so, i bought a new coil and spark plug.
It wouldn't start without a hit of ether (actually, carb cleaner spray is volatile enough to prime it). this motor does not have a pump primer, just a choke lever that releases automatically.
so, hit it with the spray, and it runs fine. does not die. but restarting requires another hit of starter fluid.
my grandfather had a habit of "fixing" things by modifying the original design. he was not always successful. i'm thinking a hole drilled in the air filter housing behind the filter and just big enough for a stream of ether will be the perfect "fix." Maybe duct tape a drink holder on the handlebar to hold the can of starter fluid. Thanks Diddy, i learned from the best.
The up side of the "fix" will be that the hole will allow unfiltered dust to destroy the engine and I'll finally have to give up on it.
If you will recall, the mower would run, then die.
I changed the carb, same result.
cleaned the tank and lines, same result.
so, i bought a new coil and spark plug.
It wouldn't start without a hit of ether (actually, carb cleaner spray is volatile enough to prime it). this motor does not have a pump primer, just a choke lever that releases automatically.
so, hit it with the spray, and it runs fine. does not die. but restarting requires another hit of starter fluid.
my grandfather had a habit of "fixing" things by modifying the original design. he was not always successful. i'm thinking a hole drilled in the air filter housing behind the filter and just big enough for a stream of ether will be the perfect "fix." Maybe duct tape a drink holder on the handlebar to hold the can of starter fluid. Thanks Diddy, i learned from the best.
The up side of the "fix" will be that the hole will allow unfiltered dust to destroy the engine and I'll finally have to give up on it.
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