Garden

Experienced gardeners share their insights in answering this question :
It’s surging.. is the carburetor just dirty?

How to Identify and Fix Common Gardening Problems ?

We provide a variety of viewpoints on how to identify and fix common gardening problems. Our sources include academic articles, blog posts, and personal essays from experienced gardeners :

The most common reason for a surging lawn mower engine is a blockage in the fuel supply, but there are other possibilities: Bad gas. Bad spark plug. Dirty/faulty carburetor.
To raise the pressure settings, turn the adjusting screw counter-clockwise. To lower the pressure settings, turn the adjusting screw clockwise. Note: Be careful not to over adjust. Each 1/4 turn of the adjusting screw raises or lowers the pressure setting approximately 4 psi.
Whenever the breakdown of gas flow takes place in the turbocharger, a reversal of scavenging air occurs through diffuser and impeller blades into the blower side which causes surging.
The governor spring wants to open the throttle and the governor tries to close the throttle. The interaction of the governor spring and mechanical governor holds the throttle at the desired engine rpms based upon a force balance and the load / operating conditions.
Adjusting the governor helps maintain a steady engine speed no matter the terrain and other conditions that could effect the engine workload. While the manufacturer highly recommends against this, it may be necessary to keep your engine running well.

Discover Relevant Questions and Answers for Your Specific Issue

the most relevant questions and answers related to your specific issue

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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Oil quanity I have 20 hp craftsman briggs and stratton twin how much oil when you change out oil
ANSWER : Usually 1 qt

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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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Wshat is the valve clearence for a 24 hp briggs and stratton engine model 446677 type 0470E1 code 050405yh
ANSWER : About a mm or .004″.

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Front propulsion not engaging – Craftsman 675 Series 190cc 22" Briggs Stratton Rear Bag Front Propelled Lawn Mower ()
ANSWER : This is probably a belt driven machine…remove the cover. (could have Torx screws). and see if the belt is on the lower engine pulley and is on the pulley to the drive transmission…If OK, then check the action of the spring that helps engage the transmission.

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I have a 12.5 Briggs & Stratton and I can not get the timing marks on the crankshaft and cam gear to line up when the piston is at top dead center.
ANSWER : Timing on briggs is piston past tdc by 6mm….also see if you are 360deg out?

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I have a lawn mover that has the Briggs@Stratton engine. The model number is 28R707 Type 1120-E1.

Recently, I notice the engine oil level rises; and when I start the engine, oil spits out from the vent that is located in the carburetor housing. I like to know how does it do that? Your answer is really appreciated.

ANSWER : Your float has stuck in your carb,and that is why your oil level is rising need to buy a new needle and seat ,change you oil.

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Hi there, quick question, there is a black and grey wire on the 13.5hp briggs and stratton, i am unsure which is the earth and which is the power?
ANSWER : The grey one should get power when the key is turned on. This opens the solenoid valve on the carb and lets fuel in. The black one should get earthed when the key is turned off, this shorts out the coil and stops the spark. Aussie Steve.

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