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.
how to install a spring clutch on a murray mower
How to adjust brakes on a yardman lawn mower
No
what size belt do i need with a murray riding lawn mower that is a 12.5hp. 40"
This video will show you how: http://www.youtube.com/watch?v=NjzX-PUjKmo
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.
30W for summer
The spark plug gap for a Murray 12 hp riding lawn mower should be set at .020 inches. This is equal to .5 mm.
.20
According to Youtube
30 hd oil
Any inline fuel filter will work.