(MST) Marine Service Technician Practice Test
MST - Marine Service Technician MST MST Outboard Engine Service & Gearcase
What is the correct procedure for checking the gear oil level in an outboard lower unit?
Select your answer
A
Remove the lower vent screw and check that oil is at the level of the vent hole with the engine upright
B
Dipstick check at the top drain plug only
C
Remove the drain plug and collect oil in a container to measure volume
D
No check is needed — gear oil is a lifetime fill
Hint
