et) new plug, verified spark, rebuilt the carb. I can see the valves move… but it will not kick over at all, absolutely no stat. I’m at wits end.
Briggs & Stratton

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Did you hit anything with it before this problem?check flywheel key but before that be sure blade is tight and in right position

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Loose, Dirty or Disconnected Spark Plug in Your Lawn Mower: Check it out, clean off debris, re-connect and tighten. Dirty Air Filter: Clean or replace. Fuel Not Reaching the Engine: Tap the side of the carburetor to help the flow of gas. If this doesn`t work, you might need a new fuel filter.
Disconnected, dirty or fouled spark plugs are common causes for engines that won`t start. For small engines, spark plugs typically need to be replaced every season or after 25 hours of use. You should also check to make sure the spark plug gap is set correctly.
Their Briggs & Stratton 22 HP are small engines that rely on a number of components in order to effectively run. Common issues that can arise on Briggs & Stratton 22 HP engines include old spark plugs, a disconnected solenoid and an inaccurately spaced air gap.
These include a bad fuel pump relay or control module, a blown fuse, a wiring fault, loose or corroded wiring connector at the pump, or even an issue with the anti-theft system. Until these other possibilities have been checked out and eliminated, the fuel pump should be the last thing that`s replaced.
Weak or Corroded Fuel Pump.

If the fuel pump in your car goes bad, gas won`t be able to flow from the tank to the engine, and it simply won`t be able to run on its own. So we`ll simply recommend that you have the pump replaced.

If the engine will not crank, you likely have a problem with… Discharged / defective battery or faulty electrical connections. To address these issues, check the battery and charging system for problems. Faulty parts: potentially the safety interlocks, starter motor switch (open circuit) or solenoid.
Briggs & Stratton 208cc 6.5hp Engine MTD Taper #130G32-0125.
6.5 HP (212cc) OHV Horizontal Shaft Gas Engine, EPA.
Quality. Be it a powerful tractor engine or a small lawnmower engine, B&S never compromises on quality. The company`s engines are at par with industry-leading Honda but have lower maintenance costs compared to its Japanese rival. Most B&S lawnmowers can easily provide up to 8-10 years of service.
If the engine has proper maintenance, spark plug and oil changed every year, then it will last about 15–20 years. Always use Premium (no alcohol added) fuel. If you use regular fuel the carburetor might dry up and plug the many circuits in the carburetor.
If you are using the pump for tank transfer and want to empty the tank, this may mean running the pump dry for a few seconds. If the pump is run dry for less than 45-60 seconds, the pump should not suffer damage.
One of the easiest ways to determine if the lack of fuel may be the cause of a non-starting engine is to spray some aerosol carburetor cleaner directly into the throttle while the engine is being cranked. If the engine starts, runs a few seconds and dies, it has spark and compression but is not getting any fuel.
CAUSES OF FAULTY STARTERS: CAUSE OF FAILURE

Electrical connections faulty. Solenoid switch (engaging relay) stiff or faulty. Electric motor damaged electrically. Single-pinion gear, starter pinion or freewheel damaged.

Common Signs of a Bad Starter

The engine won`t turn over. The most common signal that your starter has a problem is if nothing happens when you turn the key or push to start. Unusual noises, such as clinking, grinding and whirring. If you ignore these sounds, it can eventually lead to damage to the engine flywheel.

There are several reasons a Craftsman lawnmower may turn over but not start, with the most common ones including the following: Lack of fuel. Dirty air filters. Electrical issues in the ignition system or the starter motor.
20 oz. of oil is required for the Vanguard 6.5 Gross HP engine (3000-3600 PSI Pressure Washers).
Use Briggs & Stratton SAE 30W Oil above 40°F (4°C) for all of our engines.
What is the difference between CC and horsepower when referring to an engine? Horsepower measures the power of the engine while CC measures the volume of the engine.
1/2 – 1 acre — For a lawn this size, you`ll want a riding lawn mower with a cutting width of up to 42″ and at least a 14 HP engine. 1 – 2 acres — For yards in this size range, a riding lawn mower with a 42″ or 46″ deck and an engine in the 14 – 16 HP is necessary.
All Briggs & Stratton engines are sized in cubic centimeters (cc) and will be rated in one of the power ratings* below. -Horsepower (HP) is the amount of raw potential an engine can generate.
Overall, the range spans from 3 HP (50cc) to 220 HP (1000+cc). What is this?
Max power: 8.0 HP @ 3600 r.p.m.
The Honda lawn mower engine is the better choice regarding power, fuel efficiency, and design. Yet, because of those features, they will cost you more. On the other hand, Briggs and Stratton models will run well for a smaller area. They are also easier to maintain and repair without breaking the bank.
The buying spree lacked strategic focus and ultimately failed to turn around the company`s decline. Rather than investing in research and innovation, Briggs` management tried to buy success while continuing to enrich its executives and stockholders.

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Have a craftsman 16″ chain saw 358.360260. Could not initially get it started after it had sat for a couple years with fuel stabilizer in it. When I went to use it the fuel had all evaporated and the fuel pick line was rotted. I replaced that with some difficulty but finally got it on. Saw still wouldn’t start. Replaced the fuel filter. Still wouldn’t start. Pulled the carb apart and cleaned and recleaned everything. Diaphragms were good and I didn’t adjust any of the mixture screws because as I said it ran fine before storage. Non of the carb passages were clogged. Fresh gas 40:1, good spark plug and good spark. Airfilter is good. Engine has maybe about 4 hours of total run time on it. It’s a ZAMA (?) carb. It will run for about 30 seconds when I manually prime it by pouring a small amount of fuel directly though the carb. When I was disassembling the carb the vent hose that goes back into the fuel tank seemed to have a small out of ?substance? in it which I cleaned out. It was right at the end the of the hose that goes back into the fuel tank and not up by the carb. It didn’t appear to be like your typical gummy deposits/varnish though. I hope it wasn?t some type of spongy check valve stuff that is supposed to be in there. That might explain some of my problems. Anyway, I also can not seem to get the primer bulb to fill. When I open the fuel tank, look in side and depress the primer bulb, air bubbles come out of the fuel filter. But when I let the bulb reexpand there’s no fuel that gets sucked up the hose. I can however seem to fill the primer bulb when the fuel tank is full and the chainsaw is laying on it?s pull cord side and the bulb is depressed a bunch of times. The saw will also start and run again for about 15 seconds then die. It’s definitely not getting/fuel and probably running out . Thanks.
ANSWER :

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I have a briggs and strattan 18 horsepower engine on my craftsman mower and it wont start, i replaced the starter and it still wont start! It wont even turn over, in fact it binds the starter, but if I take the spark plug out and try to start it, the starter engages and turns the motor over just fine but of course it wont start cause the spark plug is out! Whats the problem?
ANSWER : Set intake valves @ .004 and exhuats @ .006 with piston a 1/4 inch downstroke from TDC.It sounds like the ACR {automatic compression release}is not working do to valves having to much lash.

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I have a Crafstman Riding mower model #917.273643. That ran fine one second, I shut it off for five minutes. When I went to start it back up it wouldn’t start. Cranks fine, checked the wires, fuse, and spark plug. The plug was dirty so I cleaned it. But I am not getting any spark. I bought a new plug still no spark. I also checked the plug on another motor and I had spark so the plug wasn’t bad. Any suggestions on how to troubleshoot this or what may be wrong?
ANSWER : Sounds like your coil went bad

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What type of spark plug and the gap size – Tecumseh Lawn Boy Push Mowers Insight Silver Powered Series – Sens – A – Speed Walk Behind Mower – 10685
ANSWER : The Tecumseh Push mowers, most or all of the Tecumseh brands uses a Champion J8c, and the gap at .020.

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Will not start turns over has spark the engine was running and killed and will not restart
ANSWER : If you have good fuel to the plug and a good spark and it still does not start it could be a timing issue, check the flywheel key has not sheared.

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I have had a poulan pro 550 series push mower for almost 1 year at the end of the season last year the mower would start briefly and then stop. i have cleaned out the air filter and that did not help.the mower started, i made one revolution around the yard 3/4th of the way the mower quit. I then primed the mower it started then quit and now it will not start at all. Does anyone have any suggestions of what to do. Thanks
ANSWER : There is a little spring that works the carburetor arm. If that popped off then the mower will not run.

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Spark plug it’s dry in not getting fuel to that
ANSWER : Clean your carb real good you will be amazed!!!!!!!!

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I need the spark plug gap for a MTD mower model # 11A038A729. It has a Briggs 12M902 0451 E1. Thanks.
ANSWER : The proper gap is ..030″ Here is the Briggs application chart for L-Head engines like yours.
http://www.manddsmallengine.com/briggs/info/plug7.html

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