58
CD164
Fuel Requirements
WARNING
Electrical system components on this engine are not external ignition protected. DO NOT STORE OR
UTILIZE GASOLINE ON BOATS EQUIPPED WITH THESE ENGINES, UNLESS PROVISIONS HAVE BEEN
MADE TO EXCLUDE GASOLINE VAPORS FROM ENGINE COMPARTMENT (REF: 33 CFR). Failure to
comply could result in fire, explosion and/or severe personal injury.
WARNING
FIRE HAZARD: Fuel leakage from any part of the fuel system can be a fire hazard which can cause
serious bodily injury or death. Careful periodic inspection of entire fuel system is mandatory,
particularly after storage. All fuel components including fuel tanks, whether plastic, metal or
fiberglass, fuel lines, primers, fittings, and fuel filters should be inspected for leakage, soften,
hardening, swelling or corrosion. Any sign of leakage or deterioration requires replacement before
further engine operation.
IMPORTANT: Use of improper or water contaminated diesel fuel can damage your engine seriously. Use
of improper fuel is considered misuse of engine, and damage caused thereby will not be covered by war-
ranty.
WARNING
Under no circumstances should gasoline, gasohol and/or alcohol be mixed with diesel fuel for any
reason. This mixture of gasoline, gasohol and/or alcohol with diesel fuel is highly flammable and
produces a significant risk to the user.
Grade 2-D diesel fuel is required, meeting ASTM Standards D975 (or fuel rated Diesel DIN 51601), and having
a minimum cetane rating of 45.
The Cetane number is a measure of the ignition quality of diesel fuel. Increasing the cetane number will not im-
prove overall engine performance, but it may be necessary to raise the cetane rating for low temperature, or high
altitude use. A lower cetane number could cause hard starting and slower warm-up, and could increase engine
noise and exhaust emissions.
NOTE: If your engine suddenly becomes noisy after a fuel fill, you possibly received substandard fuel with a
low cetane rating.
Sulphur content of the above fuel is rated at 0.50% by weight, maximum (ASTM). Limits may vary in countries
outside of the United States.
On intermittent use engines, high sulphur content diesel fuel will greatly increase:
• Corrosion on metal parts.
• Deterioration of elastomer and plastic parts.
• Corrosion and extensive damage, and excessive wear of internal engine parts, particularly bearings.
• Starting and operating difficulties.
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