FUEL AND OIL
38 eng
Fuel Requirements
Do not use premixed gas and oil in this engine. The engine
automatically receives extra oil during engine break‑in. Use a
fresh supply of the recommended gasoline during engine
break‑in and after engine break‑in.
Fuel Additives
To minimize carbon deposit buildup in the engine, it is
recommended to add Mercury or Quicksilver Quickleen Engine
Treatment additive to the engine's fuel at each tank fill
throughout the boating season. Use additive as directed on
container.
Avoiding Fuel Flow Restriction
IMPORTANT: Adding components to the fuel supply system
(filters, valves, fittings, etc.) may restrict the fuel flow. This may
cause engine stalling at low speed, and/or a lean fuel condition
at high RPM that could cause engine damage.
Low Permeation Fuel Hose Requirement
Required for outboards manufactured for sale, sold, or offered
for sale in the United States.
• The Environmental Protection Agency (EPA) requires that
any outboard manufactured after January 1, 2009 must use
low permeation fuel hose for the primary fuel hose
connecting the fuel tank to the outboard.
• Low permeation hose is USCG Type B1‑15 or Type A1‑15,
defined as not exceeding 15/gm²/24 h with CE 10 fuel at
23 °C as specified in SAE J 1527 ‑ marine fuel hose.
Oil Recommendation
Recommended Oil
Mercury OptiMax/DFI or Quicksilver DFI 2‑Cycle
Engine Oil
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