MSW Motor Technics MSW-MOE-G-1.5 Manual De Instrucciones página 52

In the MSW-MOE-G-2.5 the panel air filter (picture below) is inserted into the
side filter housing.
The air filter is installed in the reverse order of removal.
3.4.7 Use in salt water
If operating in salt water, the transmission fluid should be changed more
frequently. In addition, the drive parts must be rinsed from time to time in fresh,
clean fresh water.
3.4.8 Propeller