Engine Oil; Gear Oil - Suzuki DF4A Owner's Manual

4. Locate the pressure relief tab 3 under the
fuel tank cap and turn the cap counterclock-
wise until the tab engages the first lock.
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.

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 (ECSTAR) or
its equivalent.
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 or
10W-30 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
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