How To Adjust Valves On A Ohv Briggs And Stratton Engine




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How to set valve lash on a Briggs and Stratton OHV engine
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Billy Biddle: i have adjusted  valves over an over like you show here and it still will not run i have a ohv briggs and stratton engine   17.5   ,, i called on it an i was told  to  set bottom on 5 to 7   top  3 to 5  ,,  done this an tryed setting same as you set this one ,   what am i doing wrong ?

Daniel Bennett: It looks like you're missing some pieces there.  At least one that I could see.  The valve cap (691843).

Daniel Perkins: have a 140cc b&s push mower drained fuel and replaced replaced and properly gapped plug to .30". adjusted coil gap to .010". found valves very loose inspected push rods reinstalled rockers and adjusted to .005"  don't know if specks are correct or not any help would be appreciated thanks.

Richard Bowen: Thanks Bro just saved Me some $$$$  Where do I find the settings  for the B/S 17 Hp

xbin87116: Just a note....The bottom is the Intake valve and has a Aluminum push rod and the top is the Exhaust with a steel push rod.,

Miichael F: Are you on something?

mauricemojo234: thanks mate

Chuck Jenkins: thank you for this video. It is a great help. I'm hoping you can help some more. I have readjusted my valves on a 16.5 B&S, twice now, a few days apart. On both occasions I seem to get it to work fine but then after starting the engine a few times it seems to slip out of adjustment. I just readjusted per your advice and tested it with the plug in but wire off and still with the valve cover off. It spun like a top. I was so happy. After I put it all back together I hit starter and it fired. Excited I shut it down and then tried it again. This time it stumbled on the compression, but then kicked over and fired up. great. worried about the stumble I tried it again. NO GO. it stuck just like before adjustment. Any ideas?

Phillip Lee: Great video and thanks. I have a Briggs and stratt 19.5 intek. Starts fine on initial contact but after motor warms up I don't have the option of shutting her off because she won't refire until completely cooled down. Any advise?

chris123456789799: i have a trot built lawn tractor with a 17 hp ohv briggs. when i go to start it it will try to fire the opposite way of the engine is turning. It also will backfire sometimes when i go to start it after it gets hot. Could this be the problem or could the problem be something else like a shierd flywheel key?

OtisT Walrus: Thanks man..... best instructional video on Briggs & Stratton valves....  the push rods came out before I started watching your video....  great what you did.  Great instructions... question from a fan..   Which push rod is on the top (intake) the steel or the (maybe aluminum) light one?   Also mention that you adjust or check clearance on both intake and exhaust.  But really great vidieo...  watched it twice and will check out your other videos.   

Kevin Hughes: I have a 17.5 Briggs that does this ALL the time. The valves go out of adjustment and the engine will turn over and stop like its frozen up. Ive never had any other engine do this except for this one.

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

T.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. :-(

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. 

mira horejsek: fajn vysvětlený...

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

Nathan Weller: You are the man! I've been having the same issues and you hit the nail on the head. Thank you!!!
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How to adjust valves on a ohv briggs and stratton engine