How To Adjust Overhead Valves On A Lawnmower
Тәжірибелік нұсқаулар және стиль
How To Adjust Overhead Valves On A Lawnmower
In this easy to follow video I show you how to adjust the valves (OHV) on your lawnmower. In the introduction I show the symptoms of valves that are out of adjustment.
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Easy to follow and thorough step by step tutorials do it yourself (DIY) videos to help you with your broken lawn and garden equipment including snowblowers and zero turn mowers.
I do my best to teach you how to easily diagnose problems the fastest, quickest and most efficient way with real repairs beyond just replacing a spark plug. These tips are for both the homeowner and shop owner.
Whether it be a handheld, two stroke, two cycle engine like a chainsaw, weed eater, weed whacker, string trimmer, grass trimmer, line trimmer, hedge trimmer, strimmer, brush cutter, leaf blower, or four stroke, four cycle units like a lawnmower, wood splitter, lawn tractor, zero turn mower, snowblower, pressure washer, generator or a ride on mower that needs parts installed or replaced, I’m your go-to guy.
My favorite brands of spark plugs are NGK and Champion and are the ones I recommend.
I’ve been a small engine mechanic for many decades and also run my own repair shop so my videos are loaded with tips and tricks that I have learned and want to share with you. You will also find many tool and product reviews from top brands on my channel as well.
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Пікірлер: 242
Do you have a video of a flywheel key replacement?
@donyboy73
3 жыл бұрын
here it is kzread.info/dash/bejne/eKt2r6SLm5ubYrA.html
@fullsteam208
3 жыл бұрын
Thank you!
You're the best small engines guy on KZread, hands down.
10 years after your original post, here I am with the exact same mower and the exact same problem. Great video... it's passed the test of time! Thanks!!
Thank you for the video. It helps me adjusting my Briggs and Stratton OHV.
Dony, I just wanted to let you know that this video helped me fix a starting problem that I was having with a Honda knockoff engine on my tiller. One of the rocker arms was so loose that it was off to the side. Thanks so much for all of your wonderful videos. While there are a lot of KZread contributors for small engine repair I know that I can trust what you say. Thanks again. Blessings to you and your family
I'm so glad that you set valves the same way I have done it for 40 years, all this finding TDC and the screw driver in the plug hole is a big waist of time,. That's one big ATTA boy for doing valve adjustments old school style.
Don, And again your videos are the best. No silly music, straight to the point and mostly, you speak VERY clearly . We appreciate your knowledge and mechanical skills greatly. You always stress sagety wjich is always needed around very dangerous equipment. Please keep you videos coming.
I don't have a lawnmower I just find your videos interesting :-)
Thanks!!!! I have this same model of mower and I've been surfing the web, asking repair men, even had it in a repair shop and they never could fix it! After watching your video and 10 minutes I was back in business!! Thanks again!
Thanks for the video. I have the same mower in the SP version, same engine. After some serious internet searching, I found the MTD shop manual for it. It recommends 0.003-0.005" for the intake (top) valve, and 0.005-0.007" for the exhaust (bottom) valve. Your videos have really allowed me to educate myself on maintenance and repair of small engine equipment, to the point that I can help out friends and neighbours to keep their equipment in good shape. We all thank you.
Thank you so much for this video. My dad has the same model and he hit something while cutting his law and the engine was doing major kick backs. I replaced the flywheel key and still major kick backs so o followed this video and now it's running smoothly again.
Your video was a big help! I have a Honda HRZ 216 that wasn't starting. Had good spark and fuel. The valve clearances were way loose. I tightened both to .004 like you did in the video and it purrs like a kitten now! Thanks for posting.
Great video. Right to the point. Simple and easy to understand. Used technique to set valves on Honda GVX engine. Starts with ease now. Thanks so much.
that was the fix for my valves, now my lawnmower is working,and easy to pull over thanks Dony Art in Alberta
Your videos are very helpful and your comments are very helpful also. I think I will start doing some repairs on my lawnmower before the season starts. Thanks for your inspiration.
Hello David, your video is among the best I've seen. Thank you for sharing your knowledge in such an effective way!
Nice job Donny. You make it so simple for your viewers.
The adjusting the valve clearance, you do exactly how I do for years. Not by bringing piston in TDC. Some of these cubcadet engine comes without the auto compression release. What a recoil some time!! Long back I injured my hand. Even now I get pain on my under shoulder. The issue with the push rod guide, I pinch a 8mm nut to oval and brace it to the plate. No engine spares are here in Kuwait. It will last till the life of the engine. Not a quality work. But worked.
I did this on my INTEK V-Twin and it runs nice. Thanks.
Donyboy, You're videos are the best. The detail you give is easy to understand. Thanks for posting these videos.
I did this recently it made a huge difference!
parts list 1.gauges 2.black rtv silicone tools 1.wrenches ALSO check for damaged parts. got it thanks for the video! keep doing a great job Dony!
i have that exact mower and followed ur procedure and i can now start it AND keep my arm intact lol thx again fer another great vid donyboy
I love the video and how easy it was to do that adjustment on the valves and I probably need to check that on one of my mowers. Thanks for the video tip and I will remember it. I hope you and your family have a nice weekend and it isn't cool there yet. We are still having hot days here in Arkansas where you perspire like we did in July.
Thank you so much for ALL of your videos. Thoroughly enjoy them and learning a lot.
I just saw your video and you are a MASTER !!!
Well done sir. Detailed and to the point. Thanks!
Great video, Thanks for the Knowledge.
Another good video, thanks Don
I've learned something new today! Such a great job you do for us all! Thanks as always!
Thanks for the info 👍 I can fix my mower hopefully!
thanks man, greetings from Canada!
Great video! Very clear and easy to follow!
Your videos are great. Thanks!
Thanks for the video, very much appreciated.
really nice video Don! you always explain things very well, so even the people who don't live in canada or the usa can easily understand you. your videos are great man :)
Thank you for another quality video!
Super informative. Have a good weekend Don.
great vid dony u teach me new things on every video u make :)
Thanks Don for an excellent video!
yes on a lot of them it works perfectly
Great video Dony! Best I've seen on valve adjustments. Thanks so much!
@donyboy73
9 жыл бұрын
thanks
simple the best. thank you very much sr
Thank so much for the video
have a good weekend pete!
brilliant, my old honda 214 has been tough to pull over, tried taking the recoil apart a couple of times and it didn't fix it so i think this will solve it hopefully. thanks
Thamks Don once again , VERY helpful !!
Nice tutorial Dony. Have a great weekend.
Nice job and easy to follow guidance. Good close up photography for ease of visual clarity. Thanks for sharing!!
@donyboy73
3 жыл бұрын
Glad it was helpful!
really good video mate, thanks muchly
thanks tom!
Great vid as always :)
Many thanks Don.
Darn good video man
hi, this is one way to adjust the valves, in my latest video I do it the way you mentioned. best to follow the manual's recommendations, if it was too hard to pull then I would go to .004
dony, I have seen a lot of your videos and they are absolutely fantastic. Are going to get into dirt bikes at all? We need someone like you in the dirt bike world. thanks for your valuable videos.
thanks man
Thank you!!
Thanks working good now great 👍
dude absolutely great video!!!!!!!
@donyboy73
10 жыл бұрын
thanks bear
Thanks, I didn't realize that!
Have a Smashing weekend!
very good video! on one of my b/s engines I had to go by the method of ccw rotation + 1/4" down stroke of the piston, adjust both tappets there because there must be some thing slightly touching one of the push rod paddles. now it appears to be ok. talk about hard to start I could pick up the whole mower because of the maladjustment, regards
Thanks man I didn't knew this
Smashing tutorial :-)
thanks
wow, i didnt know this was the issue with my riding mower,..... the first crank was always really hard to turn over.. works great now tho thx don!! cheers
Thanks my problem is fixed
Great vid. Something that more people should know how to do. But if they want to set them out at the curb I'll keep picking them up.
Hi Don. Been watching a lot of your older videos. You look a little younger in them 😊. I do like the way you get straight onto to problem with no mucking around. Cheers 🦘🇦🇺
Yes thank you
pretty well yes
merci
That looks and sounds like a pretty decent engine.
yes very similar
Bonjour et merci!
thanks for the great video, I learned something new.
@spee5810
6 жыл бұрын
AdirondackNY I have a 139cc engine yard machine it's the same kind you fixed but smaller what is the valve adjustment on it
yes similar
thanks, I will start mentioning tools required for each video
Thank you for this, it was very helpful! Do I have to do this after a fixed period of time?
in general yes for most lawnmowers
That thing is huge!!!!
gr8 vid, I have never had to adjust one on a mower, but good to know, do you have video on a Flathead briggs quantum engine .
You should add, "Solve Snapback - Not Key" to the title. I searched for a solution to my Cub's snapback forever after I found the key in perfect condition until I started to suspect the valve timing and found your video. I did just as you demonstrated and now it is back to operating perfectly. - Tina's Husband Curtis
Heh, good! Aunt may's been wanting me to fix those valves for 3 days now
yes from MTD
Great video! What is the part called you replaced that the pushrods go thru? And do you have to remove the valve rockers to get to it?
Nice an though doc , thought you would put it up on the mo-jack table. Best. TU
you're welcome
Dony i repaired a Troy Bilt here a while back with the same engine.It had a blown head gasket.Went to order 1 and discovered that there were none to be found in the States.I searched the internet with no luck in finding 1.Had my local MTD dealer order it and i finally got 3 months later.Customer was calling like everyday,man it was a pain.The only nice thing about it was it came as a kit which included the head gasket,rocker cover gasket,head bolts,and the valve seal.Just a little story i thought i would share with you.Later
best lawn mower repair channel on tube bar none. auto TU
thanks for watching
Another great video Dony ! when i purchase any new mowers , snow blowers or any power equipment the first thing i look at is the engine. I won't buy anything unless it's a trusted brand name like briggs & stratton , kohler etc. it may cost more but in the long run you save money i just don't trust those chineese throw away motors !
I have a tiller that dam near takes your arm off when you start it already checked the key way that was ok do you think it could be valve adjustment to never has been any work to it bought it new about 10 year's ago thanks for your help. Sam
Hi Don! Thanks for the vid, very helpful. I just inherited this model, with no documention. I've been searching online with no luck finding the valve lash gap and the air gap. Thanks for helping with the valves. Do you also happen to know the air gap? It seems like the documentation on this chinese engine is non-existent.
I have a B&S 22 hp V-Twin. Does the same method - of opening one valve on one cylinder while adjusting the other - the same on the V-Twin as the single cylinder?
Great video! I have this same Cub Cadet with the same starting difficulties. Now, there is no starting as I'm dealing with a broken valve. I also have the same damage to the plastic piece. I have a new valve and plastic piece....any advice on having to start this procedure with replacing a valve?
Thank you very much. Is it that easy to do on a Briggs and Stratton 375? My friends has the same complaint. It does try to start and with a lot of pulling it does start. Eventually. Your videos are great tutorials.
When measuring the lash do you push the rocker arm down on the rod (right side from our view). Mine pivots on the nut
WOW!