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Gasoline Containing Alcohol
Gasoline containing alcohol, either ethanol (ethyl alcohol) or
methanol (methyl alcohol) is not recommended for use in your
engine. Gasoline containing alcohol will attract and hold moisture
and may cause the following:
• Hard starting and operating difficulties (vapor lock, low speed
stalling).
• Corrosion of metal parts.
• Excessive wear and damage to internal engine parts.
• Fuel permeation through flexible fuel lines.
• Deterioration of some nonmetallic materials.
The adverse effects of alcohol are more severe with methanol and
are worse with increasing alcohol content.
If gasoline containing alcohol is used, or if the presence of alcohol
is uncertain, more frequent inspections of the complete fuel system
are required. Any sign of fuel leakage or deterioration must be
repaired immediately before further engine operation.
NOTICE
Some gasolines contain an octane-enhancing additive called
methylcyclopentadlenyl manganese tricarbonyl (MMT), and they
should not be used.
These fuels may reduce spark plug life, and engine performance
may be affected.
When fueling:
1. Avoid fueling at night, except under well-lighted conditions.
2. Moor your boat securely to the dock. Know the location of the
fire extinguisher in case of emergency.
3. Close all doors, hatches, windows and other compartments.
4. Extinguish cigarettes, pipes, and all other flame producing
items.
5. Make sure all power is OFF, and DO NOT operate any
electrical switches.
6. Add fuel in accordance with the engine operator’s manual. DO
NOT overfill, and allow enough room for fuel expansion.
Getting Underway
Naut Air Sec 6.qxd 8/29/06 4:23 PM Page 6-3