Question about Briggs & Stratton 491056 492932 Briggs Stratton Oil Filter 5205002 Kohler Oil Filter
Briggs and Stratton lawn mower leaking motor oil from the side where the air filter is at.
How does it run? Is it back firing through the air filter box area? And although your stating it is oil is it actually oil or gasoline that is black due to getting dirty? Don't shoot me! I'm going on what information I'm reading what you submitted. If oil is it enough to show up quickly on the dipstick/engine oil level ? Get back to us and we can go further.
Posted on Nov 26, 2013
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Posted on Jan 02, 2017
I think you need more than a screw adjustment in the carburetor. It sounds as if you need a full tuneup. This means air filter, gas filter , carb. rebuild ,spark plug etc. Good luck. donnyb60
Posted on Mar 22, 2009
If your model # ends in 707, as in 42A707, it does not have an oil filter. You would see it sticking out of the left side if it had one, as in 42A777. You have an opposed twin,a very good engine, unfortunatly, not made anymore. Most of them did not have an oil filter. Dwain
Posted on May 26, 2009
check fuel flow from the tank out of the fuel fuel pipe allso check the float level sounds like its running out of fuel then its needing fuel .at idle it can get some fuel but at fast no fuel try that mate
Posted on Sep 02, 2009
Remove spark plug
Remove cover from engine that covers the flywheel
Remove rockerarm cover or valve cover
Find TDC (top dead center) by rotating the flywheel by hand and your finger over the spark plug hole as you rotate the flywheel you will feel pressure against you finger at some point then stop.
This is the compression stroke it is called now find a long slim round piece of plastic or plastic ink pen to stick in the spark plug hole (If you are careful a slim screwdriver can be used ) and find the piston top, then slowly rotate flywheel again (cw) as the piston is moving up pushing the plastic up as you rotate the flywheel slowly.
a max. piston up or tdc as you turn you will feel and then the piston starts to go the other way,at that transition this is tdc (piston is on top of stroke) leave it there,,both valves should be closed at that point.
Have a feeler gauge and set the exhaust valve at a loose .002 and the intake a loose .004 be sure engine is cold when valves are adjusted
Feeler gauge goes in between the rocker arm tip and valve stem top for each valve setting.
Note the rocker adjustment at the push rod side of each valve by tightening and loosening to make adjustments,lock your adjustments in place and rotate flywheel a few times and recheck settings
Posted on Sep 20, 2009
1) check plug for being carbon fouled or fuel fouled. Even though it fires, it may not be firing correctly
2) make sure you have compression 75-100 psi. since the compression release so you can pull the rope works off of the exhaust valve, you may not get anymore than that.
3) Is there water or debris in the float bowl
Fuel Starvation - Float Bowl Carburetor
1) remove air filter assembly
*be cautious of tearing the mounting gasket. If it does tear, you HAVE to replace it. It is part of the priming system
2) remove the float bowl fastener. This is the main jet
3) carefully remove the float bowl, the rubber o-ring/gasket will not be able to be used if it is removed, you WILL have to replace it
4) using a spray 'carb cleaner'
spray up thru the center of the carburetor
spray and clean the main jet with cleaner and 'tag' wire
(tag wire is very thin, and can be used to clean the hole in the center of the main jet)
5) clean any debris from inside the bowl or carb body
6) re-install bowl and center bolt, air filter assembly
*if you need gaskets, your local lawn & garden dealer can supply. The kit is cheaper than individual gaskets, and all the parts needed to finish the above repair are in the kit.
Posted on Nov 26, 2009
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