Indmar Marine Engines 5-1
WHAT TYPE OF GASOLINE TO USE
All carbureted and standard EFI engines run on unlead-
ed fuel of 89 Octane (R+M)/2 or higher. The LS1 and LQ9
require 93 octane or higher. Fuels must meet the specifi-
cation ASTM D4814 in the US and CGSB 3.5-92 in
Canada. These fuels need no additives.
Figure 5.1 – Filling Fuel Tank
Gasoline vapors are highly flammable and
explosive.
•Never smoke while refueling. Keep sparks
and flames away from fuel.
•Only refuel in well ventilated area.
•Never overfill fuel tank.
• Stop engine before fueling.
•Swallowing or inhaling gasoline or fumes
is dangerous. Seek medical attention.
•Gasoline spills on your skin should be
washed immediately with soap and water.
If gasoline spills on clothing, change cloth-
ing immediately.
*Avoid spilling gasoline. Clean spills with
dry cloth and dispose properly.