It is Mobil 424. Kawasaki sells it as a wet brake oil un their own brand but it is the same oil used in tractor brakes.
gear oil
MOBIL 424
25x8-12 front 25x10-12 rear
It is in the center of the differential cover.
35 foot lbs.
Its located on your differential
As you are sitting on the bike, it is on the left side, in front of the rear shock.
It's an open front differential if it is stock. So is the rear differential
rear differential is low on fluid replace the fluid in the diff. or if that dont work you may have to replace it
on top of the rear differential
The 2002 Ford F2 50 rear differential has and oil capacity of 5.5 quarts. You can check the oil level through the oil fill hole.
NONE, because there is no such thing as a 2002 Mustang Cobra.