I would assume there is no oil reservoir in that motor. The oil is mixed in with the gas each time you fill the tank. There is probably lubricant (oil) in the lower unit gearcase, but I don't know the procedure for changing that.
The dry weight of a 2002 model, 75hp Mercury outboard 4 stroke, is 386 lbs.
The 2002 model, 60 hp Mercury outboard requires an NGK BP8H-N-10 spark plug, the gap set to .040in.
the port side clamp bracket or the freeze plug on motor
change wiper motor grand marques
change the blower motor the bearings have gone bad in it
50:1
261 lbs
how to change a water pump on a 2002 mercury mountineer
50:1
yes
around 600 pounds
Look on e-bay