26 Hp Briggs And Stratton Engine Problems - 25EX engine, automatic choke tutorial.

This video shows a common FAILURE problem of a KOHLER COURAGE 20 horsepower Riding Lawnmower Engine, by Jeff's Little Engine S. 5 HP engine may encounter various problems that can result in a rough running engine. The first step in diagnosing problems with lawn mower starter parts is to make sure the engine can rotate properly by removing the spark plugs and turning the crankshaft over slowly by hand. The timing parts in an engine must be installed properly and adjusted or torqued to precision. If this doesn't help then you might want to think about cleaning the carb. Briggs & Stratton Air Filter 18-26 HP Intek V-Twins 5063K. Learn how to properly and safely use, troubleshoot, and maintain your lawn mower, tractor, snow blower, and other lawn and. Add oil to the engine according to the instructions in the operator's manual. Troubleshooting problems with your 26 Hp Briggs and Stratton engine is crucial to ensure it runs smoothly. Aug 5, 2017 / Briggs 27 hp 724cc professional series no start. You may want to check the vent in your gas cap. 2005 Craftsman DYT4000 w/ 42" Deck - Model 917. Here we have leaking rocker covers. jayco thermal package Tighten the screws using a torque wrench. When you reinstalled them you may have switched them around, changing the valve clearance. Binding – Starters can bind against the flywheel. Briggs and Stratton Small Engine Disassembly. The oil drips down into the exhaust pipe area, and is building white smoke and burnt oil smell. 275371 with a Briggs & Stratton model 31C707-0230-E1. New coil pack, new spark plug, new air filter, oil level is fine. The states producing these outdoor power-equipment engines w. The enrichment circuit in the carb is not working properly. How to Troubleshoot Your Lawn Mower Not Starting. The most common reason for replac. Place the positive lead from the voltmeter to the other post on the solenoid. Briggs and Stratton 21hp Surging after starting. There seems to be a problem serving the request at this time. A fw35 Walk behind with the Briggs 28 hp efi and a 3200 zero turn with the 37 hp efi. Riding mower, z-turn replacement engine. Turn the flywheel clockwise past top dead center until the piston has moved down 1/4". The thing is once it is started it runs perfectly fine without any stuttering. 00 it looks like I can bring it back to life. Current lawn mower engine finally gave and I installed this used one. Head gaskets blow for a number of reasons. Re: Info on which engine is a better choice 27hp Briggs&Stratton 23hp Kawasaki both V. I go through the Dual Circuit A. Gasoline, which contains higher blends of alcohol. craigslist queens ny problems on the MOST COMMON Craftsman push Lawnmower Briggs and Stratton engine. This is a no start condition on a single cylinder Briggs & Stratton 19. Unlike conventional mower engines, the 725EXI has an easy starting mechanism. Along with cleaning the fins, use the Briggs and Stratton engine oil which is great from protecting this small engine and to increase its efficiency. Air blown by the flywheel also begins to increase, causing the governor blade to pull the throttle plate. It initially looked like it was leaking below the manifold or slightly left of it, but after little cleaning it looked like it was coming. Briggs and Stratton OHV INTEK model engine common problem. Briggs And Stratton Engine Won’t Start. To ensure the correct torque is applied to the head bolts of your Briggs and Stratton engine, follow these steps: 1. The gasket for my 26HP is only $ 6. The solenoid's plunger/ pin pilots into the main jet holder and shuts off the fuel flow when the ignition switch is off. Briggs & Stratton 190cc Model 120000 Quantum 675 Series Lawn Mower Engine. Even with regular service and engine maintenance, you should leave room for normal wear and tear. If the engine had worn out rings or a scored piston, the it will also pressurize the crankcase and push the oil out. If it cranks over well, you likely have other fish to fry. Loosen it by tapping it counterclockwise with a hammer and pin punch. 0 out of 5 stars works well on b&S 26. To open valve: push-in, turn counter clockwise and pull. I own a Craftsman YT3000 riding mower numbers on valve cover is 331977 0010 G1 130502ZD That keeps blowing head gaskets I am in process of replacing head gasket for the fourth time. May 3, 2020 / Understanding the solenoid on the carburetor bowl of some new Briggs Engines ? #3. As for engines, I cannot say much as I just got into to the rider market, but I do know that my Briggs ELS with the "Nikki" carb may be known for having surging issues and need to be rebuilt after some time; at least mine does. Fuel Tank Capacity (gal) * All power levels are stated gross horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton. ILENGINE said: You may want to try resetting the governor shaft. Almost every one needed a head gasket, many of the blown engines HAD blown head gaskets when they died. To begin, please click the brand of your engine or equipment. If your spark plugs look good, problems with your ignition system can also …. freightliner m2 interior fuse box location Briggs & Stratton Intek 26hp V-Twin Engine 445877-0760-G1 "PICKUP ONLY CENT FL" Opens in a new window or tab. I've got a couple of aircooled motors but they are both two strokers. Aug 30, 2013 / Briggs & Stratton 6. An overheating Briggs and Stratton engine can. 97 in) and the piston stroke is 73. The Craftsman LT1000 mower with Briggs engine has a problem with the solenoid that is mounted on the carb fuel bowl. motoman said: Lots of this in the forum. Aug 26, 2023 · The 26 HP Briggs and Stratton engine problems include issues such as stale fuel, dirt, debris, a dirty fuel system, improper storage, a dirty air filter, a dirty spark plug, buildup of clippings and debris, and overheating due to grass clippings and debris lodging in the fins of the engine. i cleaned motor and inspected and …. The B&S 40G777 engine used Dual-Clean air cleaner (paper element with a foam pre-cleaner). Find the most common problems that can cause a Briggs Stratton Small Engine not to work - and the parts & instructions to fix them. The ZTS7500 comes with Kohler as well as Briggs and Stratton engines (should be a 44P777-0130-P1 or 44P777-0130). The spark plug is the component responsible for igniting the fuel and causing the engine to turn over. – Spray the fuel tank and the carburettor with carburettor cleaner. This is a vertical shaft engine, 810cc with 4 stroke OHV engine. • Cutting Tall Grass: Raise the cutting height on your lawn mower. The fuel was stale and the oil needed to be replaced. Oct 4, 2023 · Engine Running Roughly. I have been having a problem with dust bypassing the air filter and getting into the engine. and change oil/drain thoroughly and fill using fresh proper grade oil, before starting again. I can hear the solenoid click when the key is turned on. My engine ran lovely for the first year or so, but now it does this uneven VROOM-vroom, weird surge thing. 1) Incorrect adjustments or installation. Over time, filters may become clogged with dust and other debris, which restricts airflow and allows pressure to build. I tried disconnecting hose 1 from the fuel pump and poured a small amount of gas into the hose, then started the engine, thinking that it might work like siphoning gas out of a tank. The fixes for each of these reasons are also included here. Arch's GarageWas on an MTD Mower, from previous diagnoses and repair video, check playlistBriggs & Stratton 550 EX Series OHV EngineNo compression, noticed c. If it's been sitting for 2 years, you may have corrosion in the fuel solenoid. WELCOME!In this video you will know about briggs and stratton governor problems & how to fix them. I have a Bad Boy zero turn mower with a Briggs & Stratton 26 HP engine model 44000. Step 4: Protect your engine against against gum and varnish build up in the fuel system. The Briggs and Stratton 303447 Vanguard is a 495 cc (30. 226V with 26 hp Briggs & Stratton Mower Blade Spindle Assembly M200V Console Deck Carrier Linkage Deck Assembly M200V-52" Deck Assembly M200V-61" Drive Assembly Reservoir And Hose Assembly Seat & Steering Assembly Tractor Assembly Wheel Motor And Brake Assembly Wiring Lights. It blew a connecting rod, new rods and piston and rings, put together using manual. I finally got the coil, and for fun I checked the resistance from ground tab on coil to the body. The timing must be at the correct setting for your lawn mower or snow blower to perform at top. Problem: Cause: Solution: Engine won't start:. I have replaced both head gaskets and ajusted - Answered by a verified Technician i have a briggs and stratton engine problem, its a els 725 twin v 26 hp. Buy part 299819S now: https://www. melissa lombardo accident This is a Brand New Briggs & Stratton 26 HP 44P777-4448 Professional Series V-Twin engine that UPS returned. Most often, this issue is attributed to dirt or debris in the fuel system. Both valve rods on each side look good and strait. kinematic equations worksheet answers 590454 Ignition Coil fit for Briggs & Stratton799381 790817 692605 802574 Magneto Armature,Fit for Briggs & Stratton Engine Models:129H00 Series(0005-0185) Engine,590454 Coil+L7T Spark Plug Ultimately i had to throw the mower away because after researching the problem i found its more expensive to fix a bent crankshaft than to buy a new. Warning: Unintentional sparking can result in an electric shock or a fire. Muffler construction can induce backfire. Always handle fuel with extreme care. Download the operator's manual or illustrated parts list for your Briggs & Stratton engine or. 590454 Ignition Coil fit for Briggs & Stratton799381 790817 692605 802574 Magneto Armature,Fit for Briggs & Stratton Engine Models:129H00 Series(0005-0185) Engine,590454 Coil+L7T Spark Plug There was a problem filtering reviews right now. If a valve pushrod dropped from its …. Attempting to clean and reattach the spark plug can be an in-the-moment troubleshooting measure, but replacing it when needed during preventative maintenance is generally recommended. Has choke-a-matic - No separate choke hook up. If it doesn't run, or runs very poorly, I'd say either bad valve (as in burnt), bad head gasket, or heaven forbid a hole in the piston. With over 110 years of experience, Briggs & Stratton is trusted by millions of people around the globe and backed by the largest service network in the industry. I am currently working on a 26 horse briggs engine (series 446777-0244E1) that has an issue with the exhaust valve guide working its way out so the rocker …. 2 In my two decades of experience, I’ve found that the top three methods to drain gas from a Briggs and Stratton lawn mower are using a siphon pump, a turkey baster, or …. Dull, Bent or Loose Mower Blade: Sharpen or replace. If you hear a popping sound or some other noise that isn't corrected b. The Briggs & Stratton 190cc 675 Series Push Mower Engine produces 6. This video provides step-by-step repair instructions for replacing the ignition coil on a Briggs and Stratton small engine. Parts Lookup - Enter a part number or partial description to search for parts within this model. When I look at the inside of the carburetor with the air filter off and the engine running I can see the gas shooting into center of the carburetor in …. You should see fuel slosh around. Tutorial for Briggs and Stratton repair on 17. the engine started running loud and a few minutes later ran out of power Technical or Trade Scho. The engine starts no problem if I squirt some fuel oil mix in the cyl so it has to be a carb problem. ️THANKS for WATCHING! If this VIDEO saved you any TIME or MONEY, please consider supporting my efforts with a DONATION https://www. This shows you what to look for to know if you have a valve issue on a riding mowerIf you liked our show be sure to please come by our online store! http://w. Rotate the flywheel puller nuts evenly until the flywheel pops free. but mine did make 290 hours before it started consuming oil at the rate of one half quart per hour of operation …. Get outdoors for some landscaping or spruce up your garden! Briggs and Stratton 14 Hp I/C Engine Cylinder Head 698148. Briggs puts diodes in the magneto kill wire circuits of their v-twins. Place the black lead of the multimeter to the negative terminal on the battery. state road 44 accident You were right guessing carb first, however you may not have solved it by buying amazon knockoff parts. In such a situation, you should push the throttle back and forth multiple times. The most common reason for repla. The Briggs and Stratton 44P777 is a 724 cc (44. Oct 12, 2012 / Briggs and Stratton OHV Intek flywheel replacement. Through the process of fighting with this motor I have replaced the starter, battery, plugs, air filter, and fuel filter. briggs quantum engine that just won't start! troubleshooting everything update! whats the problem?*****to help keep th. Briggs & Stratton V-Twin - Excessive Crankcase Venting. I am struggling with my 23 hp Vanguard 386447 engine. On the Vanguard V-twins, you can buy the "diode wire" as a stand alone part -- …. Includes a 3 year consumer and commercial warranty. Kit includes second pinion gear. 9444 (Monday through Friday 8:00 AM - 5:00 PM Central Time) for assistance. Remove the old ignition coil (armature) mounting screws. #1 · Jul 29, 2019 (Edited) I have a Craftsman 917-289470 with a 26HP Kohler Courage Kohler Courage SV735-0016 that has bit the shed. triton jet ski trailer for sale near me Hence, the engine requires minimum effort to kick off. I know this wont solve your problem but although your engine oil may . When your engine starts and stalls, it is often due to standard maintenance problems. Simplicity 5900521 Wiring Diagram Manualzz. Have not cleaned carb needle or bowl yet. It is because the engine design amplifies sound, making it seem louder than it is. The B&S 303447 engine has an OHV (over-head valve) design and a horizontal PTO shaft. Fuel Issues: One of the most common problems with the Briggs and Stratton Intek engine is fuel-related. Not only are Briggs & Stratton genuine parts guaranteed to fit, but using them ensures that the Briggs & Stratton engine they are installed on complies with applicable (EPA) emission regulations. The breakdown of the engine code is. In this article, we will address some co. Solution: Inspect the engine thoroughly to identify the source of the leak. This OEM part ensures proper fit and performance to maintain the life of your Briggs and amp; Stratton Equipment. 1" Diameter x 3-5/32" Length Crankshaft. I turned it on its side to put a belt back on and ended up flooding the engine with oil. Here's why this happens and what you can do: • Dirty Air Filter on Your Lawn Mower: Clean or replace. Oct 4, 2023 · Here are 20 common problems with a Briggs and Stratton engine: starting issues, poor running, stalling, spark plug problems, fuel system issues, carburetor problems, overheating, oil leaks, excessive oil consumption, low power, smoke, engine knock, excessive vibrations, electrical issues, broken or worn-out parts, air filter problems, governor problems, valve problems, ignition problems, and. Compared to the 27hp Kohler air cooled, it drinks more gas but also outmows it. com for questions and business . Easy To Fix A Briggs & Stratton Engine On A Riding Mower That Won't Start, It Will Not Spin Over And No It Is Not Electrical. 1776 tattoo ideas Alternatively, use a 100 percent synthetic oil to limit engine wear. This matches StarTech's specification. christian guided meditation script I have a Briggs & Stratton 26 hp Intek Extended Life Series, Mod: 44P777, Type: 0115E1, Code 070622YG with 561. – When facing problems with a 19. Engine Won'T Start (Subheading) 21 Hp Briggs And Stratton Engine Problems. the engine started running loud and a few minutes later ran out of power and started popping air back thru the air. This interactive page will allow you to find the exact replacement part you need, using official parts diagrams from the manufacturer. Afterward, pick a note in which direction the arm is moved when the throttle rotates inside it. 9 out of 10 times it is the blown head gasket in case of white smoke. 6-liter modular engine, introduced the same year and carrying the same displacement, the greatest of Caddy's little V-8s made history for two reasons. Has Pressure Lubrication with Oil Filter. Click to enlarge Representative Photo. Not only are Briggs & Stratton genuine parts guaranteed to fit, but using them ensures that the Briggs & Stratton engine they are installed on complies with …. They do not show any type of thrust washer on your engine. com FREE DELIVERY possible on eligible purchases. replaced OEM plugs withe new OEM spark plugs and properly gapped each one per specs. I tried to restart it but seemed to be out of gas. coolmathpowerline HOW TO Replace Fix Repair Remove HEAD GASKET. ENGINES Horizontal Shaft Engines; Vertical Shaft Engines; View All; ENGINE PARTS Vanguard® 26. For instance, for temperatures above 40 degrees Fahrenheit, Briggs & Stratton recommends using SAE 30. Apr 4, 2018 / 17 HP Briggs and Stratton Intek - Too much compression. 2 cu·in) V-twin air-cooled four-stroke internal combustion gasoline engine, manufactured by Briggs and Stratton. You remove air filter housing and blow carb cleaner in the tube. Whether for lawn tractors, commercial mowers, or other equipment, the 25 HP engine provides the necessary power to get the job done. If it’s a gasket, seal, or oil filter issue, replace the faulty component to prevent further leakage. dispensaries san juan We show step by step how to repair this issue. Located in Shiga Prefecture (50 miles (80 km) from Osaka, Japan), construction on the then-57,000-square-foot (5,300 m. Apr 15, 2021 / Briggs and Stratton backfire problem. If there is none, it's the compression release, which requires engine removal to repair. This engine is equipped with float type carburetor and an electronic ignition system. If it is not, reposition the magnetic coil to either widen or shrink the air gap's width. No matter what you do you will have to remove the valves and reset the valve clearances. Overhead valve design (OHV) for cooler operation. I got the mower used from friend and it was having these issues when he parked it. Whether you need to fix your snowblower or your. Causes include low fuel in float bowel ( plugged needle jet, plugged fuel line, fuel pump), plugged jets in carb, vacuum leaks, and low compression (valve adjustment stuck or worn rings) and bad fuel (water, other contaminants). If the valve guides in the engine are worn, it will pressurize the crankcase, pushing the oil out. An overheating Briggs and Stratton …. The most common reasons for replacin. I purchased from Home Depot a Troy Built 42" riding lawn mower. STA-BIL fuel additives are the official fuel treatments of all Briggs & Stratton …. 1) It is not receiving enough gas or the motor isn't warmed up enough. You check that by putting one lead of a meter onto each side of the two wire plug. Connect multi-tester to your engine based on your alternator type. As such, I pushed the whole thing into the shed and let it sit over the winter. The mower has a 19hp Briggs and Stratton engine. Drilled & Tapped 7/16-20 - Full Keyway. (2) In idle the engine backfires and spits. Outdoor Gasoline and Electric Powered Equipment and Small Engines - John Deere LA 175 Starting Problem - This is a lawn tractor with a 26 HP Briggs and Stratton engine, model #44P77, type 0122B1, code 080228VG. It backfires out the exhaust and carburetor when. craftsman t130 parts Hello folks Have here a Briggs & Stratton 10. The 26hp Briggs and Stratton engine problems can be attributed to issues with the gas or air intake, such as a clogged air filter or restricted fuel flow. My guessing is that the carburetor is clogged. The crankcase vent tube was blowing oil all over the carb and air filter. Engine on: « Step Back Next Step » Step 1 Category; Step 2 Equipment Type; Step 3 Model Number. I would bet that the Briggs engine in question is a C or a B rating. Start by checking your air filter, if it looks okay, move onto replacing the gas. I have a 2004 Craftsman GT 5000 with a Briggs & Stratton 26 hp ELS engine. Briggs & Stratton 441777-0130 22 HP Intek Series Twin Cylinder. - Online resources, forums, and video tutorials provide valuable information for troubleshooting and guidance in resolving engine problems. So the engine on our riding mower finally crapped out (the infamous Kohler Courage). It has splined cam lobes,which,under higher -than-normal heat,have been known to "walk"on the shaft,and take out a pushrod. Second he is right there could be other damage inside …. Aug 17, 2013 / Briggs and Stratton ELS 26 hp. Here's why this happens and what you can do: Dirty Air Filter on Your Lawn Mower: Clean or replace. I have had "0" problems with the mower or the engine. I have a Husqvarna garden tractor with a 26HP Briggs and Stratton Model 400000 intek Extended Life engine, with a total of 19 Hours, was cutting grass when engine just quit, after determining fuel to carb and plugs were firing, I removed the carb bowl, much to my surprise I found both. Buy part 797443 now: https://www. Change engine oil every 100 hours or annually, which ever comes first. I was turning it over by hand and I noticed a squealing sound at times on. May 25, 2016 · I have a briggs and stratton 26 hp els v twin and I have bad power loss. Alternators power the small engine while it is running, keeping the battery charged by circulating power back through the system. These engines have a history of camshaft failure. Repair Clinic doesn’t just sell you the right parts for your small gas engine repair, we offer technical advice and how-to videos so you can do the job yourself. replaced the OEM Nikki BS carb with an. Adjusted the valves and no change. This video covers the steps I took to replace the ALTERNATOR on my 18. land for sale west This is a quick video to show how a Briggs engine runs when the flywheel key breaks after the engine is stopped suddenly after hitting a solid object. For many years I have had an oil leak around the o-ring where the plastic dipstick tube goes into the engine. May 17, 2018 / Help finding baffling oil leak Briggs 26 hp v twin. How to Clean & Rebuild a Briggs & Stratton Intek V-Twin Engine Carburetor. I will post the others as soon as I get them scanned. Buy part 691890 now: https://www. black drawer pulls 3 inch changed carb, air filter, battery, new gas. It starts fine, but it surges at all throttle positions. Attach the pump to the carburetor or mounting bracket, using the pump mounting screws. 6 volts, or according to your charging specifications in your manual. if one is detected, could be a spark plug problem (read years ago that champion plug considered a 25% misfire as. Allow the oil to go to other parts of the engine; leave it for about an hour. If you missed it, you can check it out here “Lawn mower engine surging”. A few of the issues I see time and time again with these engines are internal governor flying to pieces,oil pan gasket blowing out,compression relief on cam breaking off. Remove the air filter cover and check if the air filter is dirty or clogged. The vent is responsible for allowing air to enter the tank as fuel is consumed, ensuring a consistent flow of fuel to the engine. It's a Briggs and Stratton 24 hp ELS725 Engine -- model#446677 and type#0463E1. com/PartDetail/1643829?TLSID=1876This video provides step-by-step instructions for replacing the camshaft on a. The first section shows the overall layout of the machine, while the second section contains detailed information about the wiring of each individual component. The type that you can watch while the engine is running. thank you ma am story packet answer key understanding mental wellness everfi answers Check sealing of welch plugs, caps, plugs and gaskets. If no fuel, pump mat be faulty (check all lines on pump are not plugged and hooked in proper positions securely), line pinched/plugged, tank shut off either not on or plugged, filter plugged or installed. Briggs V-twins have always been good engines IMO. Full Pressure Lubrication with Oil Filter. Loose, Dirty or Disconnected Spark Plug in Your Lawn Mower: Check it out, clean off debris, re-connect and tighten. I have done some troubleshooting trying to get to the root cause of this sickness And replaced a few parts-along the way. Here I fix a leaky valve cover gasket on a 19. It should be in the open position, as you have the. With machines as expensive as this ($6000+), dealer availability and warranty would be important to me. Craftsman , Poulan Pro , MTD Yard Machines , Husqvarna etc Riding Lawnmower Briggs and Stratton Engine OIL Pan / SUMP GASKET LEAK fix and repair. Second step, check the spark plug. Dirty air filter, bad spark plug, fouled carburetor, or. Always clean the unwanted dirt and debris clogging the plug. The solenoid’s sole function is to either stop or allow gas flow, and defective units fail to carry out this task. On this engine choke is applied when you apply throttle forward of Max RPM run mode. 2 Method 1: Using a siphon pump:. 68 in) and the piston stroke is 66. From my experience in the shop,the term "junk" doesnt begin to describe them. #briggsandstratton #carburetor #cleaning More Videos On Amazon - https://www. Bad Boy Parts Online! 26 HP Briggs and Stratton engine. 26:21 EASY FIX Briggs and Stratton has a spring problem How to Replace Diaphragm and Gasket on Briggs and Stratton Engine Primer Carburetor. 5 HP, check the intake manifold for cracking (may have to remove carburetor) or loose connection at the block. Engine has 149 hours on it and there were no obvious indications of starter trouble my engine Briggs Stratton 26hp equipped with powerlink YBSXS. Jun 4, 2018 / 22 HP Briggs Will Not Start. From the metal laminations to the grounding lead measures 1. Backfire, or afterfire, occurs when you shut the engine down at high speed. In 2017, the last time I mowed I lost steering on my riding lawn mower. OUCH!! You stripped the "crankshaft"!! Removing the flywheel is done by removing the flywheel bolt, then screw in a sacrificial bolt till it bottoms out and unscrew 3 turns, then while putting a prybar under the flywheel, you hit that bolt hard with a sledge hammer, and. Ensure it is clean, properly gapped, and free from any deposits or damage. Briggs hasn't competed directly in the commercial market for a long time. The old heads had a problem with valve guides not staying in place. You can check the starter by removing the spark plug and turning the engine over by hand. Hydro-Gear Hydrostatic transmission 310-0510. Briggs & Stratton 26 HP 44P777-4448. Check fuel levels and ensure the gas is not old or contaminated. 22hp-26hp V-twin Briggs and Stratton,Surging Briggs Intek 18. Oil leaks are the most common symptom of a defective lawnmower crankcase breather. 5 HP engines and 43 to 72 inches deck …. If the governor adjustment does not fix the problem then it looks like the governor is not working so that. Does your model number look like the image below? The first 10-characters (i. coffee makers at family dollar One common issue is a dirty or clogged air filter. This post covers the replacement of the Briggs & Stratton cross-over manifold pipe. Problem 5: Throttle Linkage Issue. Engine on: « Step Back Next Step » Step 1 Category; Step 2 Equipment Type; Step 3 …. Jul 4, 2015 / Briggs engine blowing oil. It cranks and starts but goes full throttle as soon as it starts like it's about to self destruct. Not just when the problem arises. I have a Bad Boy mower with a 26 hp Briggs v twin that developed a rather sudden oil leak when I went to use it a couple of weeks ago. Find the most common problems that can cause a Briggs Stratton Lawn Mower not to work - and the parts & instructions to fix them. 🛠️ DIY: How to adjust the valves on a Craftsman (Briggs) 17. I would start by replacing that gasket and make sure you have a good seal. 3 Maxpower Air Filter for Briggs & Stratton 18-26 hp Intek Engines: New In Pack. If you notice gas mixed in with your engine oil, follow these instructions to address a potential leak. Step 3- Inspect the spark plug for very stubborn deposits, or for cracked porcelain or electrodes that have been burned away. Not sure if I'm getting a correct reading, but compression seems to be at 30. The fuel shut-off valve isn’t closed properly. Ensure The Fuel Tank Vent Is Clear.