Valve settings for briggs and stratton

In this video, i adjust the valves on my 2018 Bolens 125cc 450e push mower (model 11A-020W765). It has a Briggs and Stratton engine (model 08p502-0047-f1). Y...

May 14, 2021 · How to Adjust Valves on Briggs & Stratton Engine, THE CORRECT WAY! Mower Mike. 20.9K subscribers. Subscribed. 960. 146K views 2 years ago. Feeler Gauge Set: https://amzn.to/3BBzdRI Steel Push... 16 Dec 2015 ... Does your Briggs and Stratton engine turn over slowly? Does it refuse to ignite? Do you only hear clicks when you try to start your engine?Setting the valve Lash on a Briggs LO206 race engine @ Carlson Motorsports.1059 posts · Joined 2007. #3 · Sep 15, 2013 (Edited by Moderator) The intake valves are .003 to .005,the exhaust valves are .003 to .005.Pay particular attention to the ¼" past top dead center notation for setting the clearance on page 21 of section 1 of the manual (OR) the adjustment procedure below. Hope this helps.Messages. 2,256. Sep 24, 2020 / Intek v-twin valve adjustment procedures. #2. Exhaust Open, Intake Closed. Set the Intake when the exhaust valve just starts to open. Set the exhaust valve when the intake has just finished closing. E-O-I-C.Ap. 21 hp lawn mower engine apparenly the compresion relif. 21 hp lawn mower engine apparenly the compresion relif is not working and i was told that the valves need to be reset.rhe modle is 331877 Type … read more. Model 331877. Just disconnected from other agent.The Briggs and Stratton 303777 Vanguard is a 495 cc (30.2 cu·in) V-twin air-cooled four-stroke internal combustion gasoline engine, manufactured by Briggs and Stratton.. The B&S 303777 engine has an OHV (over-head valve) design and a vertical PTO shaft. This engine is equipped with float type, side-draft carburetor and a magneto electronic ignition system.

How to adjust valve lash on a Briggs & Stratton 33000 series engine. This particular engine needed between .003 and .005 on the intake side and .005 to .007...The Briggs and Stratton 252707 is a 399 cc (24.3 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine, manufactured by Briggs and Stratton.. The B&S 252707 engine has an L-head (side valve) design and a vertical PTO shaft. This engine is equipped with float type carburetor and an transistor module ignition system.54. May 2, 2018 / Briggs model # 331877-2371-G5. #1. I have adjusted the valves to .004 Intake and .006 exhaust. When I turn the engine over the engine has a knock and the flywheel stops. Take out the spark plug and it turns over. I have cleaned the carburetor also. Prior to all this I had to replace the flywheel and alternator because magnets ...Birggs and Stratton | Valve Clearance | Engine | Small Engine | Feeler Gauge | Lawnmower | DIY | Save Money | RepairIn this video, i adjust the valves on my 2018 Bolens 125cc 450e push mower (model 11A-020W765). It has a Briggs and Stratton engine (model 08p502-0047-f1). Y...Intake and Exhaust Clearances for Briggs & Stratton engines used on a variety of outdoor power equipment applications. Small Engine Specs ... Intake Valve Clearance ( in. ) …

Valve Clearance Exhaust Valve Guide Reject Gage Flywheel Nut Ft. Lbs. Cylinder Head In. Lbs. Conn. Rod Torque In. Lbs. Crankcase Cover/ Sump In. Lbs. Mag Journal Crankpin Journal PTO ... FORM MS-3992-10/04 2004 BRIGGS & STRATTON CORPORATION PRINTED IN U.S.A. Title: MS3992_2004 Author: 72394 Created Date:33 posts · Joined 2015. #1 · May 19, 2016. I have a 18.5 hp ohv craftmans briggs & Stratton riding mower, when you go to start it it stop on the compression stroke then you have to turn the crank half way then the mower will start, I am thinking the valves are out of adjustment, can someone give me a quick crash course on how to adjust them ...Find more information on valve lash adjustment: https://bit.ly/3OZuTSWHead to our website to learn more about our tough, long-lasting commercial grade engine...My engine is a Briggs & Stratton / Intek #33R877. If you need a head gasket kit I picked mine up on Amazon - https://amzn.to/2RvGvAX (affiliate)Need some help please on my Briggs and Stratton 23hp V-twin - Model 445577 - Type 0755 E1 - Code 061129 YG Despite having a fully charged battery, working solonoid, and working starter, my engine is reluctant to turn over. When I turn the key it tries to turn but is obviously inhibited, feeling like somehow there is resistance in the system ...How to Adjust the Valve Clearance on a Briggs and Stratton Single Cylinder Overhead Valve Engine.How to remove Briggs and Stratton Engine from Lawn Tractor....

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1059 posts · Joined 2007. #3 · Sep 15, 2013 (Edited by Moderator) The intake valves are .003 to .005,the exhaust valves are .003 to .005.Pay particular attention to the ¼" past top dead center notation for setting the clearance on page 21 of section 1 of the manual (OR) the adjustment procedure below. Hope this helps.GardenKit. Mike. Inlet valves 5-7thou, Ex valve 7-9thou. The primer does not suck fuel on these engines, it applies some pressure directly into the carb float chamber which pushes down on the fuel level, which in turn squirts some up into the carb throat. The bulb needs to seal in its housing, and the housing needs to seal against the carb or ...Briggs and Stratton Needles, Valves and Kits. If your Briggs and Stratton Carburetor Adjustment calls for a new Carburetor Needle because of build up or clogs, look below to find the carburetor parts to match your needs. Jack's has been selling Lawn Mower parts since 1997, so chances are we have the parts you need to help you repair and ...39. Messages. 10,059. Feb 28, 2011 / 16.5 B&S v-twin valve adjusment. #2. That is not a v-twin. that is what the dealers refer to as a opposed twin. To adjust the valves you remove the heads, remove the intake manifold, remove breather covers, remove valves and adjust clearances by grinding the stem a little at a time to get the proper clearances.Adjusting loose valves because the engine would not turn over.It seems lots of people have trouble with there Inteks not turning overINFO/////...Then with the correct tools, release the lock located on the inside of the nut while holding the adjustment nut with a wrench so it does not move. Insert a .002 feeler gauge and tighten nut until you can barely slide the gauge from side to side. Lock the torx located inside the nut and you done. Put the valve cover back on.

New Member. May 31, 2009, 08:51 AM. Valve adjustment on 14.5HP Briggs and Stratton engine. I'm having starting issues with my MTD riding mower with the single cylinder Briggs and Stratton 14.5 OHV engine. It appears I need to adjust the valves. I have a round metal feeler gauge, but have never done this before.*All power levels are stated per SAE J1940 as rated by Briggs & Stratton. †See briggsandstratton.com for warranty details. Engine Type. Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve) Gross Power HP* (kW) @3'600 rpm. 13.5. Engine Displacement (cc) 500. Cylinder. Cast Iron Sleeve. Bore (mm) 90.5. Stroke (mm) 77.8. Fuel Tank ...Learn how to do a Tune up and carburetor clean and repair on a Craftsman LT1000. This Lawn tractor has a Briggs and stratton Intek 18HP engine. In this video...tomplum. To find 1/4" past TDC remove the spark plug and rocker cover. When the intake valve closes and the piston is coming to the top- you basically want it to continue past the top of this stroke by 1/4 " Turn the engine by hand carefully monitoring the piston travel with a dowel or similar. Put a mark as a reference if you wish and continue ...Adjusting loose valves because the engine would not turn over.It seems lots of people have trouble with there Inteks not turning overINFO/////...8. Jun 14, 2018 / Need Valve spec for 18HP B&S Intek MODEL 31H777-0210-E1 Code 020130ZA WOW!!! #7. bertsmobile1 said: If you came across a Briggs engine number code breaker, and they are everywhere, you will see that the first 3 numbers are the capacity of the engine.7800105 is the model # on the Snapper chassis, not the Briggs engine. Briggs engine model and type code are either on a tag attached to the blower housing cover, or stamped into the top of the valve cover. Putting the valve cover back on shouldn't have any effect on your valve adjustment. Sounds like you might have a plugged crankcase breather ...The Briggs & Stratton 135202 engine is a single-cylinder, low-emission, gasoline-powered, air-cooled engine. ... Briggs & Stratton recommends that the air gap setting for the armature be set at 0.010-0.014 inches, or 0.25-0.36 mm; the spark plug gap should be set at 0.030 inches, or 0.76 mm. Valve clearance, with valve springs installed and ...01. Edit your valve clearance specification online. Type text, add images, blackout confidential details, add comments, highlights and more. 02. Sign it in a few clicks. Draw your signature, type it, upload its image, or use your mobile device as a signature pad. 03. Share your form with others.Technician: Ranwell1. Ranwell1. Category: Small Engine. Satisfied Customers: 11,326. Experience: I Own a Lawn Mower Sales and service business (44years). Have 2-cycle and 4-cycle certification. The valve setting for the Intek engine are both the same. .004". Ask Your Own Small Engine Question. Ranwell1.How do you adjust valves on 17Hp Briggs and stratton ohv Family ybsxs.5012VP 274826? You can adjust the valves on your 17 horsepower Briggs and Stratton engine by turning the adjustment screws.VID 20170908 234301538 Briggs engine timing gearThis video shows you how to properly line up both the engine crank timing gear and the camshaft timing gear s...

i figured i take advantage of my dads endless mechanical and narrator skills, and show you guys how to set valve lash, this could also work for a car,dirtbik...

Here is some information from Briggs : Adjusting Overhead Valves. Release the brake spring. Then, turn the flywheel to close both valves. Insert a narrow screwdriver into the spark plug hole and touch the piston. Turn the flywheel clockwise past top dead center until the piston has moved down 1/4".Exhaust - .005"/.007". The setting should be done on a cold engine with the piston 1/4" past top dead center on the compression stroke. Hope this is helpful! Rick. Category: Small Engine. Satisfied Customers: 8,063. Experience: Outdoor Power Equipment technical trainer since 1990, covering eight states. Verified.2. Messages. 7. Oct 1, 2013 / Adjusted valves on Briggs OHV-now it smokes. #2. the smaller the gap (tighter) the longer the duration the valve will be open, until the gap reaches 0.00 then the valve will always be partially open. Did you notice any perfomance changes, such as power loss? Did you adjust the valves when the engine was warm or ...3. Jul 12, 2022 / Valve clearance. #1. Hi. Does anyone have the Briggs and Stratton manual number for a John Deers lawnmower tractor. The model number is 33R877-0104 G1. I am after the valve settings so I can reset the valve clearance. I just can't find the manual number so I can download the repair man from Manuallib.26 Aug 2022 ... How to Adjust Valve Lash & on the Briggs & Stratton 17.5hp OHV Engine - Craftsman Lt Lawn Tractors As part of the Series on the Craftsman Lt ...Sep 11, 2013 · http://goo.gl/jf53lt Click link to pick up B&S parts.I bought a Briggs and Stratton 17.5 HP Intek engine with a broken head, and in this video I show you how... 24,705. Jun 25, 2018 / Briggs & Stratton 21 HP Centrifical Compression Relief Valve. #6. The starters fitted are quite weak deliberately. Thus when you get a hydro lock, which is very common usually the starter just stalls, doing little to no damage on a new ( Warrantied ) engine and generally blowing the head gasket on an older unit.How to start a Briggs & Stratton engine with a broken compression release. Do you have a full battery but the engine turns then stops like the starter is not...

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The Briggs & Stratton 135202 engine is a single-cylinder, low-emission, gasoline-powered, air-cooled engine. ... Briggs & Stratton recommends that the air gap setting for the armature be set at 0.010-0.014 inches, or 0.25-0.36 mm; the spark plug gap should be set at 0.030 inches, or 0.76 mm. Valve clearance, with valve springs installed and ...Outdoor Gasoline and Electric Powered Equipment and Small Engines - valve adjustment B&S 16.5 OHV - do you adjust the valves on a B&S 16.5 HP OHV with the nut or the center torque head screw ... I recently acquired a 3 year old mower with a 25 hp Briggs & Stratton engine. It had been setting in the garage for about a year. It runs fine but the ...35HP Vanguard Valve adjustments. Jump to Latest Follow. 13K views 6 replies 5 participants last post by Restrorob Aug 11, 2013. 1998tahoe Discussion starter. 233 posts · Joined 2007. #1 · Aug 4, 2013. I have 2 35hp vanguards on Grasshopper mid mounts. One is coming up on 260 hours and curious about checking valves settings on engine.Valve adjustment on 31c707 Briggs. « on: May 21, 2014, 11:07:31 am ». First off this a totally stock engine for cutting grass not a racer. Going to adjust the valves. near as i can figure the spec. is. Intake .003-.005. Exhaust .005-.007. The thing that is getting me is the valve adjustment procedure. It is stating to bring piston all the way ...I think a 10mm wrench turns the hex nut. Once the lock is off, place a 0.005" feeler guage into the intake's valve lash and turn the 10mm wrench until the valve is very snug against the 0.005" feeler guage. Jiggle the rocker arm if you have to. Once set, tighten the torx screw to about 4 ft/lbs. Do this for both valves.Briggs 8.75 "Professional" valve clearance / lash? I have a BS 121S07, 190cc OHV vertical shaft on my snapper. When it's hot I occasionally get almost like a miss but it sort of has a quick "whoosh" or puff sound on the miss. I want to check my valve clearances but everything I'm finding online says to consult my BS authorized dealer.Created on August 6, 2011 using FlipShare in Bean Station, TN.590530 Briggs and Stratton Valve-IntakeFor those seeking the best option for their lawn mower equipment, the Briggs and Stratton Valve-Intake is an original replacement part that ensures top-notch performance. At our store, we offer the best price for... $25.29 $23.34. Add to Cart. Qty in Cart ...How to start a Briggs & Stratton engine with a broken compression release. Do you have a full battery but the engine turns then stops like the starter is not...Walt Conner. wconner5 at frontier dot com. Like. How do I adjust the valves on my single cylinder 18HP OHV Briggs and Stratton engine and what are the clearances? Do I adjust them hot or cold? Model no: 31H777 Type: 0202E1 Code: 030318ZE.The Briggs and Stratton 40G777 Professional Series is a 656 cc (40.0 cu·in) V-twin air-cooled four-stroke internal combustion gasoline engine, manufactured by Briggs and Stratton.. The B&S 40G777 engine has an OHV (overhead valve) design and a vertical PTO shaft. This engine is equipped with float type carburetor and an electronic ignition system. ….

19 Dec 2018 ... This video shows the steps to adjust the clearance on the valves of a Briggs and Stratton V-Twin engine. After installing new piston rings, ...About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Valve Clearance Exhaust Valve Guide Reject Gage Flywheel Nut Ft. Lbs. Cylinder Head In. Lbs. Conn. Rod Torque In. Lbs. Crankcase Cover/ Sump In. Lbs. Mag Journal Crankpin Journal PTO ... FORM MS-3992-10/04 2004 BRIGGS & STRATTON CORPORATION PRINTED IN U.S.A. Title: MS3992_2004 Author: 72394 Created Date:We have the right guide waiting for you, which starts now! Bestseller No. 1. Briggs & Stratton Vertical Engine 19 HP 540cc 1"x3-5/32" #33S877-0043, Black. Cast iron cylinder sleeve and dual element air filter for extended engine life; Patented linear balancing system provides smoother performance. $718.99.Jan 16, 2024 · Step 1: So get started I’ve already removed the hood as it gives you a much better access. I’m also going to put down an old towel to catch any oil that comes out. Step 2: Once we remove the valve cover. Next, I’m going to remove the spark plug boot and spark plug. I’ll show you why in a minute. Valve Clearance Exhaust Valve Guide Reject Gage Flywheel Nut Ft. Lbs. Cylinder Head In. Lbs. Conn. Rod Torque In. Lbs. Crankcase Cover/ Sump In. Lbs. Mag Journal Crankpin Journal PTO ... FORM MS-3992-10/04 2004 BRIGGS & STRATTON CORPORATION PRINTED IN U.S.A. Title: MS3992_2004 Author: 72394 Created Date:Briggs I/C 13.5 HP Cranks slowly. I have a Briggs and Stratton engine on a murray riding lawn mower that cranks over but gets to a certain point then either stops cranking or barely moves. I have new battery , and have tried jumping it directly to the starter using a battery charger and my truck battery . It seems to crank better with the spark ...The Briggs and Stratton 281707 is a 465 cc (28.38 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine, manufactured by Briggs and Stratton.. The B&S 281707 engine has an L-head (side valve) design, cast iron sleeve and a vertical PTO shaft. This engine is equipped with float type carburetor and an electronic ignition system. Valve settings for briggs and stratton, Your magneto setting is .008" - .012". litl_techtalker : Your Intake and Exhaust Valve setting is .004" - .006". Customer: Thank you for your time. litl_techtalker : You are welcome and thank you again for choosing Just Answer. Donald. 4,977 Satisfied Customers., Fits most Briggs & Stratton engines. 1. Run engine until it stops from lack of fuel. Wait until engine cools before performing any maintenance. 2. Using standard pliers, squeeze tabs on hose clamps and slide them away from hose ends. 3. Remove fuel line from both ends of the fuel filter. 4., (quoted from post at 10:49:09 05/11/19) I have a Briggs and Stratton Model 252707 engine in my lawn tractor. I need to know how to adjust the intake and exhaust valve. Do you measure for clearance at top dead center on 1/4" down after top dead center. Is the procedure the same for both valves., The Briggs and Stratton 31H777 Intek is a 501 cc (30.6 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine, manufactured by Briggs and Stratton. The B&S 31H777 engine has an OHV (overhead) design and a vertical PTO shaft. This engine is equipped with float type carburetor and an electronic ignition system., Inspect and adjust the needle valves. Check to see that the choke closes completely. If engine will not start, remove and inspect the spark plugs. If plugs are wet, look for – 1. Over-choking 2. Excessively rich fuel mixture a. See Section 3 for adjustment procedure. 3. Water in fuel 4. Float needle valve stuck open If plugs are dry, look for –, The Briggs and Stratton 31R977 is a 501 cc (30.6 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine, manufactured by Briggs and Stratton. The B&S 31R977 engine has an OHV (overhead) design and a vertical PTO shaft. This engine is equipped with float type carburetor, integral type fuel pump and an electronic ..., Broken exhaust valve in 14.5 Briggs and Stratton [ 1 Answers ] Exhaust valve broke on my murray. Nothing appears to be harmed, only one little ding in top of head where it hit. Can I just replace it with a new one or will it have to be lapped in at a machine shop to work right. Also, what are the valve clearance settings on a Briggs 14.5 with ..., Shop OEM replacement parts by symptoms or model diagrams for your Briggs and Stratton 331877-2371-G5 Engine! 877-346-4814. Departments ... Cylinder Head Gasket Set -Valve Intake Manifold Lubrication Valves. Hotspots. Fig # 5 Head-cylinder. $189.84 Part Number: 796026., Dec 19, 2018 · This video shows the steps to adjust the clearance on the valves of a Briggs and Stratton V-Twin engine. After installing new piston rings, the engine was b... , Your valves need to be set 1/4 inch past top dead center. Your valve specs for this engine are; Intake .003 - .005 inches, Exhaust .005-.007 inches. Here is the procedure Remove your spark plug. Remove your valve cover, and then set your. engine to top dead center (both valves will be closed and rockers should be slightly., http://johndeere214.com/https://teespring.com/stores/real-man-skills-storehttp://4strokerebuild.blogspot.com/, Jul 6, 2019 · Hi @jafinch78 , Here’s a link to a service manual which covers the B&S 280000 and 310000 series engines. Scroll to p.101 for the adjustment procedure and p.170 and p.172 for the torque specifications respectively. Hopefully this is of some help. - Small Engine , Note- you may get away with re-using the valve cover gaskets, if you reinstall the covers and see oil leaking after running, order and install new gaskets. Sort by. Vanguard Maintenance Kit. $6500. Valve Cover Gasket Large Vanguard. $1500. Vanguard OHV V-Twin Repair Manual. $4500. Briggs Valve Adjustment:Setting Valve Lash or Valve …, Valve settings on 17 hp Briggs&Stratton Intek. Answered in 4 minutes by: Technician: Delsley Jr. Delsley Jr. Category: Small Engine. Satisfied Customers: 689. Experience: Handyman & Small engine repair Business owner. Verified. .003 -.005 Intake and .005 - .007 Exhaust after cylinder has gone down 1/4 inch after TDC., How to Adjust Overhead Valves. Step 1: Release the brake spring. Step 2: Insert a narrow screwdriver into the spark plug hole and touch the piston. Step 3: Check the valve clearance by placing a feeler gauge between the valve head and the rocker arm. Step 4: Adjust the clearances as required by turning the rocker screw., 24,705. Oct 22, 2017 / 17.5HP Briggs and Stratton Valve adjustment, what are symptoms of over tightening. #3. First thing to remember is it is a governed, low reving mower engine, not a Nascar top fueler. Next thing to remember is if you got 20 mechanics to set a .010" gap you would have 21 different settings., Page 10 BRIGGS & STRATTON NUMERICAL NUMBER SYSTEM All Briggs & Stratton engines have a unique numerical designation system. Each engine is identified by a Model, Type and Code number. Example: Model Type Code 405777 0125 01 99052115 This chart explains the numerical model designation system., BRIGGS & STRATTON OHV ENGINES How to Set Valves in Small Engines This valve adjustment procedure is for the Briggs and Stratton single OHV model with overhead valves. The OHV model came in the twin-cylinder engine as well, and both are used in bigger equipment like garden tractors, riding lawnmowers and generator sets. Instructions 1., How to Adjust Valves on Briggs & Stratton Engine, THE CORRECT WAY! Mower Mike. 20.9K subscribers. Subscribed. 960. 146K views 2 years ago. Feeler Gauge Set: https://amzn.to/3BBzdRI Steel..., Past 7 Days: 31. Past 30 Days: 107. All Time: 8,342. Hi, Not quite sure if this is for your model but here is a link to a download page for the Briggs and Stratton 31A507 0871 series engines. Scroll down to the section under Parts manual - 31a507-0871-G5 (this is where I'm not sure as your reference says 05 and it says G5) and download the ..., Jul 28, 2013 / Valve Specs for Briggs 31P777. #2. I do not have the specs you are looking for but have had several 31 series engines with similar symptoms. Your Inlet and Exhaust valves should have the same lift and duration as the cam lobes are identical. This is easily diagnosed by removing the tappet cover and turning the engine over slowly ..., Lawn & garden equipment engine flywheel key (replaces 222698, 690974, bs-222698s) BEST SELLER. 23% OFF Phone Price : $4.29. Lawn & garden equipment engine woodruff key (replaces 94388, bs-690979) Phone Price : $6.11. Lawn & garden equipment engine air guide cover., About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ..., 01. Edit your valve clearance specification online. Type text, add images, blackout confidential details, add comments, highlights and more. 02. Sign it in a few clicks. Draw your signature, type it, upload its image, or use your mobile device as a signature pad. 03. Share your form with others., Rotate - Rotate the engine clockwise (as seen from above the engine) by turning the blade. Keep turning until the intake valve spring is fully compressed (valve open). This is the first stroke of the 4-stroke sequence. Set - Insert a blunt object into the plug hole against the piston., Dec 15, 2014 / problem with my Briggs & Stratton 300 series. #3. The problem with these carbs are they are plastic. Over time they form a gap under where the carb slides on the intake tube. This causes too much gas to go directly into the engine causing rough running. I have seen such wide gaps that the otherwise good diaphragm gets folded in ..., Manuals and User Guides for Briggs & Stratton 210000 Series. We have 41 Briggs & Stratton 210000 Series manuals available for free PDF download: Instruction Manual, Operator's Manual, Operating & Maintenance Instructions, Operating And Maintenance Instructions Manual, Operating & Maintenance Manual, Operating And Maintenance Instruction Manual., i figured i take advantage of my dads endless mechanical and narrator skills, and show you guys how to set valve lash, this could also work for a car,dirtbik..., To correctly adjust the valves, the valve springs must be removed (L-head engines only) and have the piston at 1/4″ past TDC on the power stroke. Home | Questions? updated 11-14-04. , Turn the rocker nut clockwise to decrease the valve clearance and counterclockwise to increase the clearance. Adjust the rocker nut until the feeler gauge slides between the rocker arm and valve head with slight resistance. Tighten the setscrew to the correct torque using a torque wrench with a star bit to lock in the valve clearance., 16 Dec 2015 ... Does your Briggs and Stratton engine turn over slowly? Does it refuse to ignite? Do you only hear clicks when you try to start your engine?, J.R. The spec should be .003" on the intake and .005" on the exhaust. Procide you model numbers off of your engine and I will confirm it. Ask Your Own Small Engine Question. The engine is on a Murray 42" cut. Model 425014X92. The engine of Family: YBSXS.5012VP. The specs I gave you are correct. J.R., 11:02. Small Engine Repair: Replacing the Starter Pull Cord on a Briggs & Stratton Walk Behind LawnMower. Layton Dorr. 3:36. Setting Crankshaft & Camshaft timing on most Industrial Honda, Briggs & Stratton, Tecumseh Engines. Earley Janna. 2:25. Champion BS11 Lawn Mower Tune-Up Kit, Briggs and Stratton 3.5 to 6.5 HP Quantum Engines Review.