How To Adjust Valves On A Ohv Briggs And Stratton Engine




People Who Liked This Video Also Liked

How to adjust valves on a ohv briggs and stratton engine
How to adjust valves on a ohv briggs and stratton engine
Valve Adjustment Briggs & Stratton Intek OHV (Craftsman Riding Lawnmower / Lawn Tractor)
Valve Adjustment Briggs & Stratton Intek OHV (Craftsman Riding Lawnmower / Lawn Tractor)
How to set valve lash on a Briggs and Stratton OHV engine
How to set valve lash on a Briggs and Stratton OHV engine
How to adjust valves on an OHV Briggs
How to adjust valves on an OHV Briggs
LAWN TRACTOR REPAIR...... BRIGGS AND STRATTON OHV ENGINE WONT SPIN OVER AFTER VALVE ADJUSTMENT
LAWN TRACTOR REPAIR...... BRIGGS AND STRATTON OHV ENGINE WONT SPIN OVER AFTER VALVE ADJUSTMENT
( HOW TO ADJUST VALVES) FIX HARD TO START Lawn Tractor with OHV Briggs Engine- MUST SEE- Part 1/2
( HOW TO ADJUST VALVES) FIX HARD TO START Lawn Tractor with OHV Briggs Engine- MUST SEE- Part 1/2
( HOW TO ADJUST VALVES) FIX HARD TO START Lawn Tractor with OHV Briggs Engine- MUST SEE- Part 2/2
( HOW TO ADJUST VALVES) FIX HARD TO START Lawn Tractor with OHV Briggs Engine- MUST SEE- Part 2/2
Briggs & Stratton OHV Engine Starting Problems
Briggs & Stratton OHV Engine Starting Problems
LAWN TRACTOR REPAIR      how to diagnose and correct engine valve issues
LAWN TRACTOR REPAIR how to diagnose and correct engine valve issues
Lawn Mower Repair Valve Adjustment Briggs and  Stratton V-Twin
Lawn Mower Repair Valve Adjustment Briggs and Stratton V-Twin
Briggs Intek V-Twin OHV Valve Adjustment
Briggs Intek V-Twin OHV Valve Adjustment
Adjusted Valves on 14.5 hp Briggs & Stratton- Starts Better
Adjusted Valves on 14.5 hp Briggs & Stratton- Starts Better
Lawn Mower Repair Valve Adjustment
Lawn Mower Repair Valve Adjustment
need advice ??? 17.5 HP Briggs & Stratton Intek ohv ic not running right. Troy Built pony
need advice ??? 17.5 HP Briggs & Stratton Intek ohv ic not running right. Troy Built pony
How the compression release mechanism works on Briggs and Stratton OHV Engines
How the compression release mechanism works on Briggs and Stratton OHV Engines
How to Set Valve Lash on a Briggs & Stratton Racing Engine
How to Set Valve Lash on a Briggs & Stratton Racing Engine
Starting Problems 14.5hp OHV Briggs & Stratton - Help!
Starting Problems 14.5hp OHV Briggs & Stratton - Help!
Briggs and Stratton 14.5 HP OHV Reassembly. Then i stripped the crankshaft threads (Old Update)
Briggs and Stratton 14.5 HP OHV Reassembly. Then i stripped the crankshaft threads (Old Update)
#7 - Briggs and Stratton 5HP 130202 - How to check valve and tappet clearances
#7 - Briggs and Stratton 5HP 130202 - How to check valve and tappet clearances
14.5 HP  OHV Briggs and Stratton Engine Startup (straight pipe)
14.5 HP OHV Briggs and Stratton Engine Startup (straight pipe)
Briggs and Stratton Intek OHV 18HP rebuild (part 1)
Briggs and Stratton Intek OHV 18HP rebuild (part 1)
Briggs and Stratton Intek OHV Tear Down/Failure Analysis
Briggs and Stratton Intek OHV Tear Down/Failure Analysis
Briggs And Stratton 7 HP Intek OHV engine off a pressure washer
Briggs And Stratton 7 HP Intek OHV engine off a pressure washer

Did this video help you?

jludtxs: I have a 16hp twin2 briggs and stratton. the starter is good. the motor spins well. It sounds like the end when at first yours didn't start. You gave it gas it look like but It turns over smooth but not catching. The carb is rebuilt new solenoid. can there be any other electrical problems or if it turns and not catching is it most likely the valve? . It was hard to turn over before I took off the starter and replaced the gear and before I put the starter back on, I manually turned the top of the engine till it moved smooth. Once the starter went back on it spins great but still no start.

wcjcnc: The last few OHV engines I've done still wouldn't crank when I adjusted the valves to the proper specs. If I adjust them down to just right at zero lash they crank and run great. If I adjust them to just .004/.006 they still have too much compression and won't crank. Why is that?

Lucky Doggie: Great video! Your presentation style and content answers a lot of questions for someone like me, just now trying to figure out the OHV thing. Anyway, I have a 6.5 Briggs mower that I just picked up, and that I want to rehab. It does not run, but it does turn, even if slowly. I am okay with pulling it apart, lubing it, and putting it back together, I think that I need to do that. First though, the amount of pressure that it takes to pull the cord, or manually turn the blade, is more than is normal for other 6.5s that I have used. I have removed the spark plug, as you suggest, and that did not change the condition. Is there any other area of the engine, that I can focus on, that may loosen up the motor a bit? Thanks, and thanks for your video.

Aaron Sandland: Hey, one of my pins behind the rockers is bent and has come out. Are these replaceable?

Balsey Dean De Witt, Jr.: He guesses on "Top Dead Center" or TDC. You should try to be as exact as you can here, this is timing. Take Spark Plug out and stick a pencil in the piston chamber. Then spin the flywheel until you get the piston TDC, making sure it is the stroke that just opened up the intake valve and shut it, then you have TDC! Great instructional video though! http://www.nicemachines.com

Harry Pappas: what the valve lash on a 140 cc series e b&s engine

Daniel O: Dig this video, man. It's exactly what my riding mower is doing (12.5HP IC). Going to try your method. Thanks for posting and explaining what you're doing. Very helpful.

Nathan Weller: You are the man! I've been having the same issues and you hit the nail on the head. Thank you!!!

Jimmy Favereau: thanks! really appreciate it :D

Charles Grant: Ooooookay.....The Best way to get the right gap is to turn the adjustment screw with your fingers with the gauge in place until you feel it touch....lock it down ....... it's set!

mira horejsek: fajn vysvětlený...

vinnie vinnie: Thanks dude thought it was like that but now I know 

Leon Rowell: I was so ready just to buy another mower and you just answered the questions that I had. Thanks for the great Video

jludtxs: Thanks, it was the coil. I'm still starting with the solenois. I tested the ignition key switch and thats ok so it has to be the brake safety switch...I think

robert lyle Dressler: 10 minutes of my life wasted--- I just needed the guage setting--- skip to 7 minutes to avoid life waste

Brett Helmkamp: Great video. Tomorrow I am replacing push rods on a briggs and wanted to double check procedure for adjusting valves. Valve lash moved and threw the rod and bent the crap out of it. 

Sean Twiggs: I have adjusted my valves to the suggested manufacturer settings and still hard starts. Changed oil take sure and cleaned the carb. Any ideas

Bob Ward: Good video. I just adjusted mine that had the same problem basically. It is like it is brand new again, starts right up. Thanks

incrdblebailey23: I cannot seem to find the specs for my particular motor. 2010 briggs 20hp ohv. Local shop said .005 not working. Am I looking at a bigger issue?

T M: I had this same problem last year. 17.5hp. I did what you did in the video and it worked. No problems all winter snow plowing and cut my lawn about five times this year. Now this year same problem. I adjusted the valves the same way. Still barely turns over. Batt. is fine, valves adjusted to .003, have spark, gas, etc. :-(

mowerman32000: sounded like you have a valve problem fuel spray out of carb when you shut it done is a sign of valve isues and may have a blown head gasket on the bottom side.

Robert Perrigo: I have been working on small engines for 40 years and the way to set the valves and it has never failed me, is if one valve is open all the way, then set the other valve, then rotate the engine to open the valve you just set until it is fully open and set the other valve clearance. Try it one time and you will do them all like this, It save a lot of time and guess work.

mowerman32000: Briggs ohv engines have a decompression valve on the intake side this allows it to drop a small precent of the compression by opening the intake valve sooner on the compression stroke so the starter can spin the flywheel up to speed.

mowerman32000: I noticed the oil is black, not good briggs uses a pressed powder matel to make the cam gear and lobes on the cam, and dirty oil acts like sand paper and grinds down the lobes causeing it to mess the timing up on the valves this will make the pushrods after adjusting them to either move later or not at all.

mowerman32000: the intake valve on single cylinders is located on the bottom and use the alumin rod the exhaust uses a steel rod

mowerman32000: the ohv briggs intake valves are on the bottom and the exhaust is on top of the head smokeing after you worked on the head could be valve cover gasket leaking which is common if you don't replace the valve cover gasket and leaks on to the muffler, or if it is coming out of the muffler then it could be leaking from valve guides blown head gasket or leaking past the rings which means a rebuild in the future. I/C means it is industrial and commercial built with a cast iron sleeve in the cylinder. 

mowerman32000: Bent push rods are a good sign of very poor maintance on the owner, this means that at one point the valve starts to hang up and isn't as free as it should be. this could cause bigger problems such as the valve could get stuck in the compressed position and hit the top of the piston or could cause seize to the valve guide and push it out of the way resulting in pushrod failure also. look around the area of the valve spring and check for any discolored like it got hot this means it may have bigger problems.

mowerman32000: remember because when the engine is not running the compression release valve is in the open position, you will have to drop the pistion 1/4" past top dead center or adjusting the intake will be off as much as 0.005 thousands off from where they need to be.

Kavalon Gilliam: Wow - -- from your ea friend

emmams5: What gaps did you set the tappets at (in mm if possible)?

Bubba Gump: Awesome video. I have save my customers alot of money by doing this simple adjustment when it is needed

Tom Ferguson: This is a followup to prev comments. I used a dowel to find TDC and a piecet about 1 inch long broke off in the engine. I needed to adPlease help.

Barry Hargett: Thank You. This Video helped out a whole lot.

ibdalovely1: i would adjust the valves if its a ohv and check the starter it might be dead you can jump the starter to see if it is it could also be the solenoid i can post up a vid if you need of how to jump the starter if you need it

ecodirtrider: I want to tell you thanks. I would not have found my broken intake pushrod otherwise.

ibdalovely1: if you made it to tight it could have done one of a couple things could have bent the push rod just pull the push rod out and lay it on something flat if its not bent theirs other problems

ibdalovely1: yes when you adjust them correct with the plug out by hand turn over the engine and look at the exhaust valve it should move out slightly like 1-2 mm and back in then out to fully open the valve the lobe can wear down and not open fully causing it to not allow it to crank fast enough or not at all causing the no start or hard start

ibdalovely1: ok so thats good but probbaly bad at the same time if for some random reason the cam lobe has wore off it usually takes a lot to do that though there could be a giant chunk of carbon holding the valve wide open or it could have dropped the valve the spring should be attached the the valve if its not thats a whole other issue i would do a compression check if its way down or not at all i would pull the head the gaskets are around $15-20 worst case you might need some internal engine parts

rich rohan: Thanks for your time.

ibdalovely1: no problem

ibdalovely1: thanks ooh you get it fixed

ibdalovely1: i dont give the sizes on purpose due to differences in engines its my channel and for the moment this video that i talk to much in has 49132 views and counting thanks for the view though

Tom Ferguson: Thanks for the immediate response. I did what you recommended and the rod is straight and no other visible signs of wear. Any other suggestions would be appreciated. Thanks.

nj1639: Excellent! Been through a bunch of vids trying to sort this out and you hit it right on with the process and the why. Thanks!

ecodirtrider: yes it fired right up

EATZDUST: hey great vid ,I have a yardwork 17 hp briggs motor don't know its an ohv as its at the cottage 3hrs away ,it does the same thing as yours did but only maybe a 2 to 3 inch revolution when turning the key to engage the starter oh ya checked to make sure it wasent the battery ,now motor doesn't turn at all .does this sound like valve adjustment is needed? don't know if they have ever been adjusted as I got this tractor when I bought the cottage ,ran fine 2 wks ago

Steve Lawrie: Excellent vid! Thanks very much for your help. May I tell you that I have just fixed my lawnmower B&S 12.5 hp OVS engine IN REAL TIME with your video on the desktop! It now runs really well. This was really important for me because I am handing over my house and garden to my new buyers in weeks time and the grass is getting far too long. Once again, I can't thank you enough for your time and effort in creating your video. Steve, Toulouse, France

66mustangdriver1: man i used to build car engines, went to school for it. so used to hydraulic lifters i didnt realize this. had a husqvarna mower for years with a 15hp kholer engine, and it had started to get a little finicky to start but ran great. well my blade clutch locked up so i bought another mower today for $125. i planned to use it and some parts off mine. well we got it home and i couldnt start it, same issue. this motor was briggs and neglected. real dirty. well you just saved me a lot of trouble man

Tom Ferguson: I had what was a compression problem with similar issue as you showed in your video. I adjusted the valves and it started fine and I ran it in the garge for a few minutes. The next day I had the same stuborn problem. I opened it up and tried it again but now the lower rocker arm is not moving as I rotate the flywheel. I cranked It for a few seconds ant upper valve was fine, but the lower arm did not move. Any advise? Please help . Thank you.

robb swearingen: Maybe you should give the tolerances. Not everyone have the resources to find the valve clearances. You talk too much also...
Rating:
How to adjust valves on a ohv briggs and stratton engine 4.7 out of 5

Featured Video

How to Insulate Walls


How to adjust valves on a ohv briggs and stratton engine