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( HOW TO ADJUST VALVES) FIX HARD TO START Lawn Tractor with OHV Briggs Engine- MUST SEE- Part 1/2

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Easily fix a hard to start lawn tractor by watching this video!
( HOW TO ADJUST VALVES) FIX HARD TO START Lawn Tractor with OHV Briggs Engine- MUST SEE- Part 1/2
Torque is 45 inch pounds not foot pounds as I mistakenly mention.
Is your tractor hard to turn over and only turns with the spark plug out? Then you MUST WATCH this video.
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9 июл 2010

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Комментарии : 362

@MrIsaacpr7 9 лет назад

I followed your instructions to the "T" and it works like a champ. Thank you so much for the time you took for the detailed set of instructions. This problem happens to me almost every year and the shop charges me 350 dollars to fix it every time. This time I got to do it myself in about 15 minutes after watching your video. I cannot thank you enough.

@arciefan 10 лет назад

Must say Ty again Sir. My neighbor had the same issues with his john deere with briggs 17 hp engine. I had already done it on mine so rewatched these videos you have here just to make sure and refresh my memory and got his running perfect with no lugging issues on start up. He had gotten tired of having to put a boost on it just to turn it over... Think his were maybe .004 and .006 but forgot which order. Anyways you made me look a whole lot smarter than I am. Thanks again Donyboy!!!!

@arciefan 10 лет назад

I had the exact problems , thinking it was just cold weather causing it. After watching Donyboy's vid, I made the adjustments easily,(after checking my owners manual for the correct specs) and now it starts right up even in cold weather sounding like a brand new starter. Ty, ty, ty, .... Love your channel !!!

@sedevac8822 8 лет назад

Thanks for posting this video. After two years on not being able to start my 2009 Troy Bilt mower without jumper cables, this adjustment fixed it! I went through several batteries over the past two years and recently replaced the starter without any improvement. I finally took it to a local repair shop to fix the "starting issue". However, the service tech just lied to me about needing a new starter, rats nest in the engine cover etc. and refused to fix it. Instead he tried to sell me a new mower. This procedure is so easy to do on a Briggs & Stratton OHV engine. All you need is a good feeler gauge, torque wrench etc. It only took about 20 minutes to remove the valve cover, check the valve lash (mine was at 0.020 inches or five times out of spec) and adjust as per the instructions in the video. One small problem I ran into is that the adjustment stud came loose at the base of the push rod. That can be tightened with a 10mm wrench. The main adjustment nut requires a 5/8 inch wrench. After carefully adjusting the valve lash to 0.004 inches on both valves, I put replaced the valve cover and it started on the first try. I also noticed that the engine runs smoother now.

@bobpatterson6897 3 года назад

A lot if people try to be showboats on here or be funny ect.. you sir are a true educated, I really like how you just simply make a simple video with no gimmics ,yiu have very good close up video and you make it so that a ten year old could very easily understand it ...Good job sir

@itsbeenmacgyvered5916 2 года назад

My son just purchased a mower with this issue, so he will be happy to see you well done video. Thank you.

@BigVenture06 8 лет назад

Just wanted to thank you for all of your "How to" videos. This one just saved me about $250. About every other year my 13 year old OHV riding mower has this strange thing you are describing...basically from the symptoms you would think it's a dead battery a solenoid or starter issue. The thing is, when you slap a meter on the battery it indicates fully charged. To add to the misdirection, these OHV engines WILL start if you jump the battery even if the valves are out of adjustment. Followed your great easy to follow instructions, adjusted the valves and Boom! Runs like new. You saved me $250 because that's what a local shop charges for repair, pick up and delivery. BTW 2 years ago when I had this repair done (same symptoms) I asked the guys in the shop what the problem was and they said, "oh.... dirty carburetor". I knew better because I had already removed and throughly cleaned it before it went to the shop and that didn't fix it. Guess they were just trying to keep me coming back every other year. Thanks again!

@donyboy73 8 лет назад

+BigVenture06 you're welcome, make sure you are subscribed

@2233golf2 12 лет назад

Well,I have to say,you did a very good job . The way you explain everything is clear and straight forward! Guess,it helps a lot of people. Great job!

@peterevans5250 8 лет назад

Thank you very much indeed for those two videos; I can imagine how much trouble you went to to make them. I live in France and have a 3 year old 'Wheeling' tractor mower (made in Italy) with a B&S engine, model no. 31A707. Two days ago it just wouldn't start and, to be honest, it had played up a little on starting from cold the week before too. I rang my my local dealer who told me it would be at least 3 weeks before he could even look at it. Plus there was the problem of getting it onto my trailer with a dead engine. So I did some research, found your videos, and within two hours, I had the problem fixed. Why two hours? Well, Itried the adjustments three times with no joy. Then I realised that I had forgotten the bit about going 1/4 past TDC. Once I'd done that, all was perfection and the engine now runs sweet as a nut. Thanks again. You have a new and very grateful subscriber!

@GMITLABEL2013 10 лет назад

Thank You for your video. After replacing a battery, solenoid and starter based on suggestions from many so called people who know 17.5 OVH engines I was about to give up. The engine just wouldn't crank. I found your video and did exactly what you showed and the mower now starts PERFECT! Just like it did when it was new.

@donyboy73 10 лет назад

good to hear!

@NerfHerder088 12 лет назад

After removing engine starter and then being told it's the battery, not the starter. I purchased a new battery only to be disappointed that the engine still wouldn't start. Positive it was the starter I was looking for a replacement online and came across your video. After reading some of your feedback I decided to try and follow your directions and the tractor is starting like a champ again. Can't thank you enough. We had been turning engine counter clockwise also and jump starting engine.

@ELVISRN1 6 лет назад

did another valve adjustment today and took it down to about 1 1/2 to 2 thousands . now runs great ,, revved up and under load. like the idea to just do it and run the motor while adjusting with the valve cover off.great vids thanks for taking the time and saving america tons of money .

@donyboy73 6 лет назад

I'm trying to make small engine repair great again!

@f355911tt 10 лет назад

I am glad I found this as most people think their starter is bad because the engine won't turn over, going clunk, and it is really that their engine is full of gas from a faulty shut off solenoid at the carburetor, or their valves are severely out of adjustment creating too much compression. Key on, valve is supposed to open allowing fuel, key off it is supposed to close. It can get gummed up and allow fuel past when in off position filling crank case, or you left key on and it filled. This motor is notorious for this and a manual in line shut off between tank and carb is essential to prevent gas in your oil. I am sure many shops have ripped off many customers by charging them for expensive repairs when it was gas in their oil. My suggestion to most if repairing the starter and the starter gear looks fine, would be to bypass the snap ring removal as most only needed to inspect the brushes and sand the commutator. Remove rear 2 bolts and slide internal brush pack out, then pull the entire assembly out from the other end. Sand commutator, inspect brushes, and grease rear shaft. You can avoid the grease suction problem by rotating shaft at starter gear back and forth while applying pressure to back plate. The trick to keeping the brushes in upon reassembly is iron wire cut in two pieces shaped like a horse shoe. They criss cross each other at center as one holds in two brushes and the other does same. Top wire must be 2" longer as it sits higher to clear lower wire holding other two brushes at 3 and 9 oclock, longer wire holds brushes at 12 and 6 oclock. Works perfect and slide back plate in, wires should stay as long as they are flush against brushes. Then pull them out and it makes replacing brush pack easy.

@pabackwoodsboys 10 лет назад

Donyboy73 this worked like a charm. i have a Yard machine 14.5 and mine was starting the same exact way. it was about .10" did your adjustments and motor turns over 100% of the time with no hesitation! Thanks for posting this, as it saved me $$$ not taking it to the Dealer mechanics!

@donyboy73 10 лет назад

you're welcome

@Mammadoo987 12 лет назад

You are the MAN!!!! unbelievable... I have screwed around with engines for a while but never adjusted valves before. Incredibly easy. Thanks to grandpa leaving me some feeler gauges. I went .004 to start and it was still not working. I went to .002 and POOF... She cranks wonderfully. Now on to the next issue. Air / Gas / Spark troubleshooting... WOW THANKS AGAIN!!!!!

@philwilliams2875 4 года назад

I was at the end of my tether when I found your video. I had charged and checked the battery, bought a jump starter, stripped the starter down and cleaned it and still the engine wouldn’t crank. Followed your video and found the exhaust valve tapper was so loose it wasn’t even on top of the valve. Sorted it all out, reassembled it and it fired up first time. Thank you soooo much for your very clear and helpful video.

@jwpatrick1 12 лет назад

Enjoy your videos and have learned a lot. Would have paid a lot for repairs by someone else or given up and replaced several items had I not found your videos. Well made and easy to follow. Very good attention to details that an amateur like me can follow. Have watched many even though I don't have the particular item you are working on, but still learn things applicable to something I have. Thanks

@cindyrichmond4069 9 лет назад

Thank you so much for getting back to me,the pin sheared so my husband and I tore it down,again and he adjusted the valves...fixed the problem...thank you so much again!

@30jspecial 13 лет назад

great , the mower would start sometimes but, I was looking at carburetor issues and then I thought it was turning over awfully hard so I looked at my rockers and they were barely hanging on. and the intake rod push was bent. i straightened out rod and adjust valve's ,BOOM my mower runs better than it has in 1 1/2 years and it is 3 years old even with the slightly deformed and weakened rod, I am currently ordering some new ones. thanks you also convinced my stubborn father to check them.

@ELVISRN1 9 лет назад

I HAVE THE SAME TRACTOR AND IT WAS HARD TO START FOR 2 YEARS. I WAS TOLD TO ADJUST THE VALVES. THEY WERE .015 AND I SET THEM TO .004 AND IT CURED THE ISSUE PERFECTLY.

@kpdvw 9 лет назад

Nice Video, I use a wooden dowel instead of a screwdriver to locate the TDC!

@Viewercanuk 9 лет назад

This is the best instruction video I have ever seen on RU-vid. I fixed my problem which I thought was a weak starter thanks to this video and my problem was exactly the valves out of adjustment, something I had no idea off. Fantastic video

@donyboy73 9 лет назад

Viewercanuk you're welcome

@evulflea 10 лет назад

I know it's an old video but it helped me adjust my valves perfectly. My mower had the exact symptoms and starts perfect now. Thank you!

@donyboy73 10 лет назад

you're welcome, make sure you're subbed

@JamesTaylor-mq9hr 6 лет назад

evulflea x

@ecodirtrider 10 лет назад

Thanks so much. The other you tube guys advice did not work and yours did. Its starts with ease now.

@dchevy34 12 лет назад

Great video. !!!!!!!! another good thing I'd like to mention about these engines is that the carb has a electrically controlled fuel pin that screws into the bottom of the float bowl. This thing when it FAILS will cause fuel to overload the engine and cause a hydrolock. Correction to this if you dont have the 100$ to replace it is to cut the pin off with bolt cutters and grind it smooth. after u do that screw it back in and your all set to go.

@jdba0007 11 лет назад

Mr. Fraser - this may be too late but I have a t1000 like you and replaced battery, coil and plug. As I was adjusting the valves for the third time my second pair of eyes noticed the aluminum intake rocker arm was BENT! A quick straighten on the bench vise and POW, it starts like a dream. Hope you get it going too.

@SWalker71 10 лет назад

Thanks for this video. Lawn tractor starting easily now after adjusting the gaps.

@Redneck_Ed 6 лет назад

I had the exact same issue after changing a head gasket on an Intek 18.5HP (and skipping the valve adjustment step out laziness). I pretty much knew it was a valve clearance issue, but this video was great because it shows the symptom perfectly along with the fix. Very helpful, thanks!

@anniversary4 9 лет назад

Thjanks for all your great videos. Based on some of your videos and others; I just repaired the deck on my 2003 Cratsman LT1000 and that is running great. It has a B&S Intek 18HP engine. It sat outside all winter and started up very easily after I charged the battery. Unfortunately a few days later I tried starting it and the battery seemed dead again. Put in a new battery and it started great. However I have a problem with the engine which fires up really well, sounds great, runs great for an hour or so then dies. This has been fairly consistent for 2 seasons now. Sometimes if I let it sit for a couple of hours it will restart and run fine for another hour or so. I replaced the gas cap thinking it might be clogged and not allowing easy gas flow after that hr or so. No luck with that. I check the oil and the dip stick seems to have oil all the way up when I first remove it for checking. I wipe and reinsert and it seems fine pretty good. Is that normal? Since a 2 yr. old battery failed I thought I might check the voltage while running. It's only about 12.6VDC. Could that be my problem. The Amp-meter is not showing any movement at all.

@MNJack76 9 лет назад

donyboy73 Thank you so much!! My mower had become almost useless. Every year I would replace the battery and the problem just kept getting worse. Last year I would have to drive my truck to the back shed to jump start it. After I followed your clear instructions it now starts like a champ on it's own. Thanks again for the video!

@donyboy73 9 лет назад

Jack Metcalf, Jr you're welcome, make sure you are subscribed

@waltwintsch7483 8 лет назад

Donyboy73…Thank you so much for this video! I had the identical problem you showed on your video and frankly, I would still be wondering what to do next…after I bought the starter. I followed your video and the B&S engine started immediately. You saved me some cash and more importantly a lot of time and hassle! Thanks again.

@donyboy73 8 лет назад

+Walt Wintsch you're welcome Walt, make sure you are subscribed

@johnkraljic5838 7 лет назад

donyboy73 n

@chrshnn 11 лет назад

BINGO! Worked. I did it with a 4 spacer. I knew you were talking about my problem when I could not spin the top manually. Took about an 1 hour and thats with going to buy "feeler" for the valves. THANKS!!!!!

@Baughndw 6 лет назад

So I have the 13HP Tecumseh. The turning over has always been an issue. I have replaced the starter a few years ago but even with a new starter it still never "seemed" right. After watching your video, even though it was B&S I thought I want to take a look at mine and see how they were. They were loose I adjusted them up and ....... ITS NEVER STARTED THAT EASY IN THE WHOLE TIME I HAVE OWNED IT! THANK YOU!!!!!

@pearlcarlotto7767 8 лет назад

thank you so much for your video, you saved us about $150. Money is tight right now and we really appreciate you sharing your knowledge.

@donyboy73 8 лет назад

+Pearl Carlotto you're welcome, make sure you are subscribed

@cobhc1986 6 лет назад

Great video as always. So far I've adjusted the valves on many mowers but haven't been lucky enough to have that fix the problem. In my experience with the Briggs engines, it's always the automatic compression release that stops working and makes it hard to turn over.

@tuggers7 9 лет назад

been watching a number of your videos and i gotta say,i enjoy your work.....you give good detail,you show tools needed,cleaning chemicals needed,details to what something will look like on before and afters shots........bottom line ,i like your work and BTW,i have subscribed.......(oh...my wife like your accent...just saying)....again...great job

@donyboy73 9 лет назад

my accent is French from Canada, thanks for subscribing!

@joesidneytetman 12 лет назад

Thank's donyboy73 my father's mower had been giving us the starting blue's for the better part of 3 yrs, got a new battery this year same problem. Jumping it off after turning engine counter clockwise worked until today Went on line saw your video did what you said, pulled the plug engine turned over just fine set the valve's and now it start's just fine. Great videi :>)

@rabdj 9 лет назад

Hi there friend! Thank you so much for your video, I had this issue forever and your posting just made my life a whole lot better. Again, thank you so much! You tube people this guy really knows what he's taking about! God Bless you always! Rafael

@donyboy73 9 лет назад

you're welcome, make sure you are subscribed

@christhornhill3616 8 лет назад

Dude. I've looked at a lot of videos and this one was for the common man. Thank you. Mine was doing the same thing. I followed your instruction and it runs beautiful. Battery, starter and solenoid were all fine. BTW, my mower is an old14.5 I/C OHV Briggs by Wizard with a 42" cut.

@donyboy73 8 лет назад

that's good to hear, make sure you're subscribed

@whywidehide 9 лет назад

Thanks Donyboy73 for this excellent tutorial. I found your video after I replaced the starter and starter solenoid, well at least they are new now. Your process worked fast on my 18.5 hp Cub Cadet. It now starts on the first turn of the key. Great job, Thanks

@donyboy73 9 лет назад

you're welcome

@brettliterski2569 10 лет назад

Thanks so much for this video!! Had exact problem with my mower and thanks to your video my mower runs great and didn't have to spend a dime!!

@arkbluewolf11 9 лет назад

Thank you for this video, you just saved this poor boy from taking it to the shop and prob spend over $100, blessings will come your way.

@donm8567 6 лет назад

Thank You!.....I replaced the solenoid and starter and it still would not crank. Your video solved the problem....Thank You

@donkehrer5650 8 лет назад

Looking at the front sitting in front of muffler, the exhaust valve is the top valve. Exhaust is .005 to .007". Intake is .003 to .005". Check rocker stud is not loose. This was my problem. I'd set valve clearance. Run a day and then it was hard to start again. Kept checking and resetting the valves clearance again. Now starts super easy. No sputter during running now.

@EmrickCachets 9 лет назад

I have a fourteen year old Toro Wheelhorse with Briggs-Stratton 15.5 engine. The video showed EXACTLY what I've been going through (including buying and installing a new starter). As you indicate in the video I placed cardboard and a rag under the valve cover before taking it off… surprise!!! When I removed the cover not only oil but a gush of gasoline mixed with oil came out all over the garage floor! This "can't be" good! :0( I'm almost afraid to ask, but… what does this mean? Well, I found out that this "means" that the float is stuck in the carburetor… looked at a few videos on how to clean the carb but when I got out to my engine I find an electrical connection on the bottom of the bowl where the video showed a simple bolt to loosen. Looking now for "how" the electrical connection is properly removed and of course then the bowl. Not sure how often you look through these posts, but hope to hear from you soon.

@EnthusiasticTruck-xh7ss Месяц назад

THANK YOU FOR THE VIDEO

@kenm3730 10 лет назад

Great tutorial mate, the valve clearance has been giving me some real issues. After viewing many other videos, your video showed exactly what to do & why it needs to be correct. Great work, Many thanks Regards Ken ( Sydney Australia ).

@donyboy73 10 лет назад

greetings from canada

@jimmyjamautrey 9 лет назад

love this guy's videos, very well done

@perrylee6411 7 лет назад

James Autry gr Gravely

@ncrdisabled 14 лет назад

Very good info I will check your past videos for a old Briggs strattion 18hp 1991 engine non ohv with the same problem very slow turnover . Thanks

@gt181 13 лет назад

@donyboy73 Thanks, after a year of playing with this problem, I came to the conclusion it was a compression issue, and thanks to you it was fixed in 15 min at no cost .if you ever have a carpentry question ask me I owe you one.thanks gary

@boat6868 14 лет назад

Excellent vid...excellent tips.

@williamwoods8182 3 года назад

Great lesson! You are the Dude, Man!

@dchevy34 12 лет назад

when you adjust the valves just remember to put your finger over the spark plug hole and feel for air pushing out. this is compression stroke, then take a flashlight and look into the hole while turning the flywheel until the piston comes all the way to the top, after it does this bring the piston back down one inch. This i can assure u will be the time to set your valves to the manufacturer specs. Hope i helped. if this doesn't fix your problem then move on to other things in starting system.

@KenB2920 12 лет назад

You are the man!!! Thank you. I had to readjust the vale to .002 from .004.saved me huge.

@6766sllim 11 лет назад

this is exactly whats wrong with my Husky, Thanks i'll try this out!

@bobmin230 10 лет назад

Donyboy73 awesome video after watching it I feel confident that I can do this however after a comedy of errors I managed to lose the cap that sits at the end of the valve between the valve and rocker arm consulting the manual I can't find the part number can you please help me to locate this part.

@donyboy73 10 лет назад

go to your local small engine shop with the model and serial number of your engine

@zilvinasadomaitis6043 11 лет назад

i learn from you a lot, thank for you are making this video.

@Dman4398 12 лет назад

hey thanks your vid helped a bunch timing was offf and valva adjustment , purged cylinder and it fired right up thanks again

@tomgray720 10 лет назад

Hey, got it to work. I had trouble getting the adjustment correct and apparently ran down the battery. All is good now. Thanks.

@MSA6001 8 лет назад

Wow - This video is excellent. Thanks for posting

@turog6708 7 лет назад

Donboy awesome vid, having the same problem will be sure to follow your instructions Thank You SOOOO much brother!

@gregcox7477 7 лет назад

Informative, to the point and easy to follow. Great video.

@dennisboltenhouse8898 10 лет назад

Very helpful & informative video. Thank you for posting!

@tazzy4191 11 лет назад

Hi, i fixed a Husqvarna ride on last week which had the same problem as you are facing with your motor. the solution is to check the cam shaft, there is a small lever attached with it which works as de-compressor. if you find its broken then you need to replace the camshaft as it comes as one part. then set the valves to factory setting ( intake .08mm and exhaust .13mm). cheers!

@DoingItCheap 7 лет назад

You are my hero !!!

@lovetheconstitution2637 10 лет назад

Hello Donny, This is a little of the subject but I have a Murray- MTD 17.5 42" rider mower. I had problems with the lights bulbs busting from hard hits on rough yards. Plus any time I wash my deck with there deck washing kit any water that hits the bulbs would pop them. I replaced both of them with led bulbs. Used it all summer long in Louisiana heat and sudden rain showers with no problems. Thanks' for all the videos. Tim in Baton Rouge, La.

@Mike-su8si 3 года назад

I have reset my top valve before 6 years ago it might need it again. i done the same as what you was showing how to do

@TXTRUSTUD 7 лет назад

This is the EXACT issue I have on our 12hp and 17hp BS motors. Repair place wants to charge me for a new started and ground cable...I love all your videos, keep them coming! I got a STIHL 261 chainsaw after watching how easy it was for you to change the pump, etc. Subscribed and have been for a while! Thanks again! EDIT: I have a 283707 BS 12 HP engine and it doesnt appear to have OHV. Do you have a video on how to adjust valves for this type of engine?

@donyboy73 13 лет назад

@scbjgs you may want to replace the carb kit and check the flywheel keyway

@tribesmann8800 8 лет назад

Thankyou for the information, it definately helped. Your explaination was very clear, much appreciated !!!

@acscolo 14 лет назад

Excellent video and information.

@psord1 7 лет назад

thank you

@thefuz7577 9 лет назад

Excellent video(s)! Very helpful. Thank You!!!

@donyboy73 13 лет назад

@jswiter could be time for a starter. make sure it's not flooded in the cylinder. sometimes these carbs leak feul into the cylinder and when u go to start it it's locked or hard to turn over because of the fuel in the cylinder, had this happen to me many times

@713icecold6 Год назад

I have have just like yours.. Is there a way you tighten the deck belt on this mower and do have a video on that as well? Thanks

@donyboy73 13 лет назад

@siemenstraffic it opens up during operation and turns off when u turn the tracotr off. there is a valve in it that stops fuel from going in the engine when u shut it off, preventing backfire

@MegaAndroidboy 12 лет назад

Hi again,i got the fuuler gauge and fixed it thankss!!!!

@rwilkins38 9 лет назад

I have used a credit card in replacement of filler gauge and it worked fine.

@MrDanoconnor 14 лет назад

The "Timing" of these videos were Perfect for me! Looks simple enough so far Don...does everything your showing here, including the Gap apply to all Single Cyl. OHV Briggs ?

@80skipster 12 лет назад

quick question. I following the instruction and it did help. One thing i noticed is that there is a lot of gas on my spark plug. I have to crank it over for a minute or so and i see gas coming out the exhaust and then it will start. Is there something else wrong or did I do something wrong? Once it is started it runs well. Any help is appreciated and thanks for all the great videos. You're doing a great service!

@donyboy73 11 лет назад

greetings from Canada,

@limejeeper2445 3 года назад

Hey Dony, I am not able to find my adjustment gap on my YTS4000 ohv 24 hp platinum. Do you know this one? . I have looked every. Your choke video on this model helped once! Thank you

@ntwede 11 лет назад

Lol, at first I thought OHV stood for Off Highway Vehicle, not over head valve. That would be an interesting type of racing tractor.

@livingthedream335 4 года назад

Thanks for all the helpful videos! I replaced a broken flywheel key on my 14.5 B&S OHV yard machine riding mower. I also adjusted the valves. Everything seems okay but when trying to start nothing happens and I cannot turn the flywheel manually. If I loosen the flywheel bolt I can spin the flywheel and also engage it by attempting to start the mower. Yet, if I tighten the flywheel bolt even slightly, the flywheel will not spin. Any thoughts on what I am missing? Thanks!

@porterdalejeep 7 лет назад

Great video. I've adjusted the valves, double and triple checked them but it still won't turn over with the starter. When starter gets to the point of opening the ex, it stops dead until you manually turn the flywheel. help!

@basshnter1606 11 лет назад

Thanks a ton, my 14.5 starts great now!

@petessite 9 лет назад

got this Allen ride on with 14.5 briggs , got the ol girl going , ticks over a treat does everything it should , BUT , when you open the frottle it goes off bang , like a shotgun going off !! an when close frottle & give it another rev it goes BANG !! an the ol muffler glows red hot !! couldnt believe it , due reckon the mufflers shot ??? not getting enough back presure , any thoughts ....................

@MattsRageFitGarage 14 лет назад

Damn, my free mower had 7 thousandths of play. But cool video man ! thumbs up

@daven1859 9 лет назад

Great video, thanks. I have adjusted valves several times (they were not sloppy to begin with) and have the same exact symptoms. I am thinking either the starter or compression release is the problem. If I can turn the engine by hand with the plug in am I correct to assume it is most likely the starter? BTW I am using my good F150 battery.

@--Skip-- 4 года назад

Where do you find the specific valve lash (clearance) manufacturer's specifications on your lawn mower? They are certainly not in the owner's lawn mower booklets.

@donyboy73 12 лет назад

thanks for telling me, always nice to hear

@snaponjohn100 14 лет назад

5 Stars. Excellent

@digitsnetnet 8 лет назад

Thanks, this video was a huge help. 15 minutes later my tractor fires right up the 1st time.

@donyboy73 8 лет назад

+Dylan Thomas that's awesome

@davidsteinfeld9123 3 года назад

been dealing with a tractor some one gave me it was sitting in the weeds the guy who gave it to me said it dont run me playing around with it did see things as you showed it not quite sure as I have seen other videos stating it could be a cam shaft issue some type of spring type gizmo in there I sure want to get the thing to run if I can't not to many worries there it was free however I want to learn and if you may guide me on my quest for knowledge thank you in advance ☺

@tonydeleo7697 11 лет назад

Great video, as always. Any suggestions as to how to make sure you get the right bolts back in the proper places, especially when you need to take several things apart for a repair. Thanks Tony Port Hadlock

@blakedavis590 9 лет назад

If valves are out of adjustment on these one cylinder briggs can that cause the engine to backfire? I have been told that but, wasn't sure.

@donyboy73 11 лет назад

usually not, sometimes the top bushing for the crankshaft causes a knock, do a search in my videos, i have one on that subject

@toddsnavely5002 9 лет назад

I have a B&S 21 hp . I have the same symptoms as the lawn mower in this video. I adjusted the valves; still have the same problems. Battery is good, starter is good, cycles through with no problem without spark plug in. what else might it be? i would appreciate your input thank you in advance.

@joshtheinflatableking 9 лет назад

thanks donyboy73

@doonthepan 10 лет назад

hello donnyboy. Enjoyed all your vids on briggs and stratton engines and how you explain things, thanks, good advice and easy to understand, I wonder if you could help me with a wee problem on my older model husquvarna/ with a briggs and stratton 12 horse power,,,, power built ,,,,,syncrho balanced engine. ??? The starter seems to be ok had it off cleaned up and turns the engine no problems with plugs removed.. So I replaced the plug put the starter back on and hey presto it worked. Then after a couple of start ups the starter jams again engine seems to lock it up again. When the starter engages the flywheel the engine and starter seem to lock up up with a clonk. The engine runs great with no rattles clanks smoke or any faults but some how jams the starter.. I think some thing needs adjustment but unfortunately cannot seem to locate a cover as with the OHV models for adjustment.. Will i have to remove some thing else or is there some thing I have to do in order to find out what the problem is. I dont want to have to buy a new stater then find the problem is still there.I live in a remote part of the Scottish borders UK, so rely on my ability to sort out most problems for my self but this has me a bit puzzeld. If you could help me out advise etc, I would be grateful to your knowledge and assistance , thank you . enjoy. TYPE/ 0167.01 MODEL/282707 12.HP. SYNCHRO BALANCED