Is it the VALVES? Single Cylinder Briggs and Stratton OHV VALVE ADJUSTMENT Procedure and Specs

9 Times out of 10. Thank You, Thank you! My Dad's John Deere 19hp Intek had the same problem. He is an excellent Mechanic for 60 years, but now has Parkinson's and a Mild Stroke. We had already rebuilt the transmission for another problem, then a new Battery, New Solenoid, Changed Starter and still would not run. Ready to take it to another mechanic. Then found your video. 9 times out of 10 . . . You were absolutely right!! Our intake valve was so loose, the rocker arm had fallen off and the valve had bent. Was able to repair, put it back together and adjust the valves. Runs perfect. Thank you so much for your video. You are awesome. Rusty Williams

We like the way you lay out your tools before the job begins-- that certainly beats "discovery" of a missing tool as the work proceeds.

This is my usual experience DIY fixing things. I'm always learning and saving a ton of money doing it myself. However there is always dropping things you can't find, choice words here and there, a little frustration. Great video. I'll be doing this tonight and hope thats all it is for my tractor.

Thank you so much for showing and explaining everything so well! Saved us from purchasing a new mower and we had just bought one a year and a half ago! Someone tried charging us $89 to fix our house mower but by following your video, it only cost us $13 for the feeler and oil. THANK YOU!

Thank you, I"am currently changing my exhaust valve, and a push rod, because my engine only had a quarter turn,I suspected a valve,so after getting some horrendous quotes,I decided to have a go myself, buying all new parts to morrow for my B&Stratton 15.5 and this Video helped a lot, I will watch the valve settings again when I ready to finish off the job, Considering I am a semi retired Bodt Therapist ,I haven't done too badly, Thanks for the Video.

Last year when Hurricane Irma came through, we lost electricity for almost two weeks. Our (previously barely ever used) generator  began to start rough, and I was told to check that the valve/bolts were tight and moving in and out with ease. That was my extent of schooling on the situation. The generator did still start, but only ran at a max of half of the power it had previously. We had no electric, no cell signal, so no help from the internet. However, in a stroke of luck, our electric was restored that evening. At that time, the generator became a project for another day, and we began cleanup and getting life back to normal. Next month is the start of hurricane season, and my generator has been put to the side (oh no). I've watched several YT videos on the valves, and most of them leave something out. THIS video, is the best that I have seen so far, and  I really don't see the need to watch any others. (Unless I do have a different problem). Thanks for doing this and sharing it with the rest of us.

Thank you so much. I was going insane trying to figure out tdc, thought I had it and I didn't. Got my mower running again thanks to you.

The video is very helpful. I have been adjusting my valves wrong... I would adjust the intake valve while the exhaust valve was compressed and the exhaust valve while the intake was compressed. Followed your way step by step and it fired right up. Thanks bro.

Hey Jeff, Great Video! I just wanted to add a little info about the valves here. On these Briggs and Strattons, the Intake Valve is “bumped” by an additional lobe on the camshaft, just before detonation, it allows excess compression to bleed off for a split second. This takes the strain off the starter. It does not have an effect on the exhaust valve, only the intake. If the intake rocker is to loose (over .005”), this “bump” in the camshaft WILL NOT open the intake valve and help relieve the compression for the starter to get “over the hump”. Of course, if the intake rocker/valve is to tight, it will not completely close, and then the compression will not build and the engine will not start. Different problem, just thought I’d mention that. When adjusting this intake specification, it’s always a good idea to adjust the exhaust at the same time. I just wanted to clarify what causes this issue, and let your subscribers know why it’s not a good idea to “over adjust” or “over tighten” the rocker. There is a reason that the specs have a “range”. Again, great video!

The best valve ajustment tutorial I've seen, thanks you.

I liked it when you dropped the torx bit, then the wrench! So much fun working in the mud at 40°.

This defused the ticking time bomb in my motor the exhaust was over .020.. I still suspect a blown head gasket it's burning oil and fouling plugs. This is best video for find the correct TDC..

Watched this video so much about 17 times for my lawn tractor thanks for the video!!! it really helped me a lot!

I just wanted to thank you, you helped me get my mower running again after replacing the head gasket on a 19HP B&S!!!

This is the only source of information I've found that this could be the problem and not a busted up cam. My ride on mower is made in 1999 and was previously owned by someone who had it sitting outside most of it's life. This was a much easier fix then for me to remove the engine and find out my cams valve release is still just fine. Not only it starts and runs just fine but it now has a lot more power. This thing moves really easily now compared to before. Before it could sometimes stall cutting grass, but now it moves super fast, maybe a bit too fast. My theory is that over time the rockers get lose and causes the valves to close early and stay closed longer for the intake and exhaust strokes. Hence the high compression just to get it started. Also the lack of power from before adjusting.

Dude, your the man and just saved me purchasing a new mower. Thank you!!!!

I watched 3 other videos on this procedure and each one the person doing it determined the intake valve was on top,but when i saw you using a ratchet for a hammer everything became clear

Good job Jeffro! I always come back to this one when adjusting the valves on the old B&S ohv's. Thanks!

thanks for taking me in all this process, best valves regulation video ive seen

Thanks a million Jeff, you probably saved me a few bucks with your great tutorial....worked like a charm!!!