The following procedure applies to all small engines
If the engine does not start:
(1) rotate the carburetor main jet needle valve clockwise (close) until it touches its stopping point - DO NOT FORCE OR GO BEYOND THE POINT OF TOUCHING as it may damage the tip.
(2) Rotate the needle valve counter-clockwise (open) 1-1/4 to 1-1/2 turns - this should be close enough to start the engine. Start the engine and let it warm up about five minutes.
(3) Rotate the needle valve clockwise (close) slowly until the engine starts to stall for lack of fuel, then rotate the needle valve counter-clockwise (open) slowly until the engine starts to stall from flooding (too much fuel).
(4) Set the needle valve to a midpoint between the two extremes for the best "purr" of the engine. If the engine "sputters" when a load is added, open the needle valve an extra 1/8 turn for a slightly richer mixture.
If the engine starts and you just want to adjust the carburetor, steps (1) and (2) are not necessary.
A Murray riding lawnmower owners manual can be obtained from most Murray riding lawnmower dealerships. You can find the owners manual at most local libraries.
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in the transmittion
I have Murray 42" cut riding mower that the belt came off. How do I put the belt back on?
what size belt do i need with a murray riding lawn mower that is a 12.5hp. 40"
Follow the positive battery cable to the engine, it is what the red cable attaches to.
You can use a standardbusiness card for the gap.
37x63
It is important to adjust the carb on your 1996 Murray 12 HP riding lawn mower from time to time. You need to start with a warm engine, and adjust the screws to make them tight.
Try Outdoor Power Equipment Website www.partsandservice.com/html/Murray/
A mulch blade works well on a riding lawnmower.
A 17.5 horsepower Murray riding lawnmower should always have 1.5 quarts of oil in it. You may have to add more than that after an oil change because some of the oil will go down into the oil filter.