Engine Oil; Gear Oil - Suzuki DF100 Owner's Manual

5. Press down on the tab, and release the lock,
then rotate the fuel tank cap 1/4 turn. The
tab will engage the second lock.
6. Press the tab down again and turn to
remove the fuel tank cap.
7. Carefully refill the fuel tank with gasoline.
Do not over fill.
8. Tighten the fuel tank cap until an audible
"click" is heard.
9. Tighten the air-vent screw on top of the fuel
tank cap.
8

ENGINE OIL

NOTICE
Use of poor quality engine oil can
adversely affect engine performance and
life.
Suzuki recommends that you use Suzuki
Marine 4-Cycle Engine Oil or its equiva-
lent.
Oil quality is a major contributor to your
engine's performance and life. Always select
good quality engine oil.
Suzuki recommends the use of SAE 10W-40
SUZUKI MARINE 4-CYCLE ENGINE OIL. If
SUZUKI MARINE 4-CYCLE ENGINE OIL is not
available, select a NMMA certified FC-W oil or
good quality 4-cycle motor oil from the following
chart according to the average temperatures in
your area.
API Classification
SG
SH
SJ
SL
SM
˚C –20
TEMP.
˚F –4
NOTE:
In very cold weather (below 5°C (41°F), use
SAE (or NMMA FC-W) 5W-30 for easier start-
ing and smooth operation.

GEAR OIL

Suzuki recommends the use of SUZUKI
HYPOID GEAR OIL. If it is not available, use
SAE 90 hypoid gear oil which is rated GL-5
under the API classification system.
SAE Viscosity Grade
10W–40
10W–30
–10 0 10 20 30 40
14 32 50 68 86 104