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you are getting to much fuel past your needle and seat.

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Q: Why does the crankcase on Briggs engine 3137770163-E5 fill with gas when cranking?
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You have oil leaking out of your air filter on your Briggs and stratton engine?

the valves or rings are allowing compression blow by to enter the crankcase which causes excess pressure that is brought to the carburetor by the breather tube. your engine is getting tired or you have too much oil in the crankcase.


Why does your Briggs and stratton lawn mower blow blue smoke and oil?

Worn piston rings. Incorrect weight engine oil. Gasoline mixed with engine oil. Crankcase overfilled with engine oil.


What is crankcase oil?

crankcase oil is the oil in the engine .some call it crankcase oil some call it engine oil


What is the engine crankcase?

the crankcase is below the engine block and holds the crankshaft pasta master


Do you put crankcase oil directly to the engine as you do with engine oil?

Crankcase oil is engine oil , so yes


How many cycles does a Craftsman Briggs Stratton 550 158 cc 27 lawnmower?

If you have to add oil to the fuel, it is a 2-cycle engine. If you have to add oil through a filler spout into the crankcase, it is a 4-cycle engine.


Why would a Briggs and Stratton motor dump large amounts of gas into the crankcase?

Because the carburetor on these motors are no good after a few years. The carburetor will spew large amounts of gas into the crankcase and you do need to change the oil about 3 times after this happens to protect your engine and get all the gas out of your crankcase. The replacement carbs are supposed to be much better than the ones supplied with your engine. A new carb is about $125.00 excluding labor.


How a engine capacities is calculted?

The engine capacity is calculated by measuring the size of a crankcase. The crankcase is the space that holds the pistons.


Where is the crankcase on GMC jimmy?

Crankcase is a generic name for the entire internal engine.


Where is the crankcase pressure sensor on a cummins isx engine?

In crankcase filter box


Where is the engine oil crankcase on 1995 grand Cherokee Laredo?

The crankcase is the inner part of the engine block and oil pan.


What is cranking of diesel engine?

it means starting of diesel engine