Question about Briggs & Stratton Measuring Tools & Sensors
I would lean more to the key on flywheel being partly sheered which will throw the timing off. that will happen if the motor has a sudden stop or jolt while running.
Posted on Nov 29, 2013
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Posted on Jan 02, 2017
INtake valve adjustment needed. at least on one cylinder. maybe both sides. while your in there adjust all. must have some clearance. .004 on intake .006 on exhust.
Posted on Sep 26, 2010
You are not getting enough fuel.... by choking it you are enriching the mixture with less air , more fuel.Some where in the fuel system or carbureator something is still plugged.Or the mixture screw is too far in.
Posted on Nov 07, 2009
multi-grade will be fine it realy dont need a pricy oil in it this kind of engine will run on dirty cooking oil,,with or with out the chips still in it?
Posted on Mar 29, 2010
Perform a compression test. As these engine age they are notorious for getting carbon under the exhaust valve heat in the seat area. What happens is you get a tiny piece of carbon under the head.... the valve cycles with the cylinder but does not close. Actually it can be either the intake or the exhaust valve but more often that not it is the exhaust valve that is the culprit. Worst case you hand lap the valve to the valve seat with grinding compound.
Another thing it can be is a hole in the piston. (VERY rare)
Both would cause a compression test to fail. You don't even need a pressure gauge. You can sacrifice a small paint brush handle and compare the good cylinder to the bad one by the amount of pressure you get but holding the brush gently in the spark plug hole. Just make sure your back yard pressure checker (paint brush handle) does not protrude into the cylinder so far that it can be hit by the piston. I am thinking you will have one very strong cylinder and one very weak cylinder. It is not a hard fix... it is a matter of making sure the valves seat properly on the bad cylinder. Now if the piston has a hole in it... now you talking much more work. I may be able to find a service manual for you if you discover there is a hole in the piston. Not sure if the service manual will be free or a purchase item because I have not looked yet.
Thanks for choosing FixYa.
Posted on Jul 27, 2010
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