Gear Oil - Suzuki DF 40 Service Manual

2-5 PERIODIC MAINTENANCE

GEAR OIL

Change initially after 20 hours (1 month) and every 100
hours (6 months) thereafter.
(1) Place the outboard motor upright on a level surface.
(2) Place a container under the lower unit.
(3) Remove the lower gear oil drain plug before the gear oil
level plug and drain the gear oil.
(4) Fill with the recommended gear oil through the oil drain hole
until oil just starts to flow out from the oil level hole.
Gear oil amount : 610 ml ( 20.6 / 21.5 US / Imp. oz)
Recommended oil :
Suzuki Outboard Motor Gear Oil or SAE # 90
Hypoid gear oil
(5) Install the oil level plug before removing the oil filler tube
from the drain hole.
(6) Install the oil drain plug.
Do not re-use gaskets. Always use a new gasket.
Oil level plug
Oil drain plug