How To Destroy A Honda Engine By Setting The Governor Wrong – Video



I set the governor setting backwards on this engine and let it run until it blows apart! Just wanted to prove that the governor adjustment is very critical. I take it apart so you can see the damage yourselves. FUN video to watch.

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39 thoughts on “How To Destroy A Honda Engine By Setting The Governor Wrong – Video

  1. Destroying a small engine just to prove you're right. so sad. It would also have been a good idea to show how the governor was wrongly set,
    I've worked on small engines for more that 50 years and most cases I've had of severe engine damage like this have been through either low oil levels.or badly contaminated oil through lack of regular oil changes.

  2. I know this is an old video, but I wish I had seen this about a year ago. I destroyed a free Honda in about 5 minutes by adjusting the governor wrong. It seized up and lost all compression. Its a shame because it was a great little self propelled mower. Thanks for the detailed and informative videos.

  3. Dang,,it lasted longer than I thought it would,,30 min,,wow,,so if you did away with the governor and just throttled it every once in a while,,shouldn’t really hurt it

  4. This just proves Theese motors are strong as 😂 30 minutes at 5700rpm before it lets anything go, mind you they aren't even suppose to rev that high at all 😂 so yeah everyone saying he's proved the idiots wrong…. Has he really? 😂 If you are using any small engine at max rpm for 30 flat minutes your already doing everything wrong 🤦🏼‍♀️😂

  5. Great video 👍 I took off a 6.5 horse I'replaced it with a Honda GX 390 13 horse on a go-kart,
    The governor is removed but I also have a rev limiter hooked up at 4000 RPM the norm is 3200 RPM. I don't go over 4000 RPM. And I don't hold it constantly. It only gives me better climbing dirt hills and take off. That's the difference of holding it constantly 2 only using what is needed in between

  6. Hey Steve,awesome video! I have a gx160 with gear reduction, problem is I need to use the motor on a piece of equipment and need to remove the gear reducer so it will fit,is that ok?Can I just remove the gear box and use the motor as is, thanks a million man.

  7. Hmm. Seems hondas are a bit shit. Ive got a briggs quantaum 4hp been running for 27 years. It has an adjustable throttle stick, and for thicker brush and grass like i mow, i leave it full open at around 6000 rpm. Is a briggs just a better motor or what? At least they dont have shitty plastic cams and timing belts.

  8. Bullcrap indeed! I remember getting a briggs V twin from someone at the shop to have for free. Apperantly someone did a diy on it because the moment i started it it ran out of control and before i could even get the key off it broke a rod and shattered the gov. weights all over the crank case. I have it in my garage in a corner as a subtle reminder to go over stuff dropped off on me.

  9. If that Old Milwaukee were a brand of engine oil it would be Supertech. It was painful to watch you drink such a substandard beer. That video was more worthy of a Grolsch.

  10. This isn't just a Honda thing. Running ANY engine wide open, with no load, is a grenade with the pin pulled. The question isn't if, but when. "She's gonna blow"!!!! The biggest problem with engines that don't use a pressurized oil system(splash lubricated)is that the oil gets "batted" away from the rod throw bearing, and the bearing oil starves. That's why small lawnmower engines don't withstand sustained high RPM like a motorcycle, marine, or automotive engines do. Pressurized lubrication systems ensure oil to the rod throw bearings. Almost all of these small engines are governed at 3,600 RPM or less. For applications that require higher engine speeds, they will usually be fitted with 2-stroke engines.(chainsaws, line trimmers) Those engines can sustain 6,000+ RPM continuously, and still run for hundreds of hours.

  11. if you set high rpm, every engine will blow up eventually, you don't have to prove it, what if you need 5 hours running? that's too much air pollution.

  12. I hope seeing is believing for the (formerly) ignorant naysayers.

    Although watching this kinda reminded me of the "cash for clunkers" program, back in 2009, when they required us (dealer tech's) to destroy perfectly good engines, this video was a "necessary evil".
    Thanks Steve for taking (another) one for the team!

  13. I’ll be honest… that’s a high end residential grade engine. I would personally rather have a gx200, but that was IMPRESSIVE. 30 mins?!?!? WOW

  14. I have a Chinese knock off of a Honda pressure washer. It will start and run perfect for anytime from 5 minutes up.to 20 minutes and then will die and seriously struggle to start. Have you any idea what it might be Steve? Appreciate any help

  15. The connecting rod is the unsung hero of the internal combustion engine! It's like a dog leash trying to hold onto a bull! Except it has to withstand being tugged on and being squished in alternation to the tune of 3000+ times per minute. It's no wonder that it's the first component to give way at breakneck speed.

  16. In another video a couple of young men took an old truck that was powered by a Detroit 8V71 and the disabled the governor and tied the rack in full fuel position so that engine would run away and blow up.
    I appreciated that you purposely set the governor on this engine wrong, let it run away and blow up and then afterwards you tore the engine down and showed what happened as to what happened as a lesson as to why you want to set the governor properly. That was very interesting as well as amazing. What can be seen as that the major moving parts were only able to handle so much before the serious and catastrophic failure occurred.

  17. Is that the same Honda engine that you ran with no oil in it until it open the valve clearances enough that I quit running? If so that means that the thing was run Drive oil and survive that and then ran at 5700 RPM for a half an hour before finally destroyed itself.

  18. After watching this video I'm disappointed in seeing a lack of quality in Honda engines. My son raced quarter midgets (similar to gokarts but with roll cages) with Briggs & Stratton 8 cubic inch flathead aluminum engines. I built the engines using stock parts, with nonstock clearances, where the engines had no governors & would run in excess of 6000 rpm continuously for each race. We never had an engine failure which I have to credit with the quality of the older Briggs engines.

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