Briggs & Stratton
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A lawnmower engine has to have 4 things in order for it to operate properly (besides good compression). 1. Clean oil …straight SAE 30 in summer 2. Clean Air (Good Filter) 3. Clean Fuel (no older than 30 days or so) and lastly a strong spark..blue is good, yellow is weak. It may run without these 4 things up to par, but not for long! Start looking around on the mower and try to determine if these things are OK for starters.
How to Identify and Fix Common Gardening Problems ?
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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.
Q. Why is my lawn mower turning over but not starting? The most likely reason is bad gas. Gas that sits for many months during the off-season will eventually break down, gumming up the fuel line and carburetor in the engine and preventing it from starting.
If your Briggs & Stratton engine has a spark but won`t run, then it is most likely a problem with the gas or air intake in the engine. The spark on the spark plug ignites the gas in the piston, but if the air filter is clogged or the gas can`t flow, then the engine won`t start.
Your lawn mower turning over but not starting due to several reasons, such as a faulty or disconnected plug, a disconnected spark plug wire, a clogged air filter, or a contaminated fuel tank. A faulty carburetor, a dirty cutting deck, or a dysfunctional flywheel brake can also cause this.
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.
1 Start motor engages but the engine doesn`t turn
The simplest cause of this sort of fault is a loose or corroded electrical connection. If there is a fault with the internal windings of the starter motor, bad brushes, or other electrical faults, the starter motor may lack the torque to crank the engine.
If the ignition coil does not have spark, it`s time to check its wires. Use a test light to check the continuity on the signal wire and power wire on the ignition coil. If both wires are functional but the coil fails to produce spark, the ignition coil or the ignition control module is bad.
Check to see if the switch and terminals are free from rust and replace any damaged or broken spark plugs wires as necessary. Alternatively, it could be a bad ignition module. A simple way of testing the ignition module is to leave the car idling for 30 minutes and then tap the ignition module with a screwdriver.
The clicking noise comes from a part called the starter solenoid. The solenoid connects the battery to the starter motor when the solenoid is energized. The key switch and the safety switches in the starter circuit combine to energize the solenoid. If the solenoid is clicking, the circuit that triggers it is working.
Discover Relevant Questions and Answers for Your Specific Issue
the most relevant questions and answers related to your specific issue
Saw getting gas and fire but still wont start
ANSWER : Check compression,may have broken ring,or may be a base seal leaking.
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Riding mower keeps back firing and will not start
ANSWER : You have a sheared timing key it is under thefly wheel replace says the red neck
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Engine was over filled with oil. Lowered the level but now it turns over but wont fire. Like it has no spark
ANSWER : Oil could have gotten up in the cylinder and fouled your spark plug. Remove the spark plug and clean it real good.
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How do I remove and clean air filter? – Briggs & Stratton Lawn-Boy 10640 20-Inch 6.5 HP Gas Powered Lawn Mower
ANSWER : There should be a square of plastic on the side of the engine which is opposite of the muffler. It has a small hex head with a slot cut in it. Remove this plastic cover and the air cleaner should be inside of it.
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My mower is getting fire and gas but all it will do when you pull is back fire (pop) but it wont seem to start
ANSWER : Sounds like the fly wheel key is sheared making the engine out of time. Check and make sure you dont have a bent blade too, When the blade hits something the key will shear off so it doesnt damage other things but the blade may be bent as well
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Wont start, ran out of petrol ive put petrol in but it wont start ?
ANSWER : If it has the primer bulb push on it many times and try starting again
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Help with the lawnmower. It starts and stalls after a few seconds
ANSWER : Check the fuel system clean the carb .
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What Gap for spark plug on 3.5 hp engine? – Briggs & Stratton Briggs Stratton Lawnmower Lawn Mower Short Block
ANSWER : .030 or 76 MM
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