A clogged fuel injector will cause a low fuel pressure reading.

• True

• False

Fuel pressure must be reduced before removing VST.

• True

• False

What is the Maximum percentage of ethanol recommended in Yamaha outboard engines?

• 5%

• 10%

• 15%

• E85

The vapor separator tank houses the medium pressure fuel pump.

• True

• False

A 10-micron filter, installed in the boat, is the best defense against engine filter contamination.

• True

• False

Why is ethanol added to gasoline in the United States?

• To use a fuel that is a renewable source

• To increase water levels for fuel-water separators

• To remove the necessity of fall and spring fuel blends

• To reduce octane levels

When does fuel deteriorate?

• as soon as it leaves the refinery

• when stored for prolonged periods of time

• when water is mixed with ethanol in the gasoline

• all of the above

A clogged VST filter will cause a running issue.

• True

• False

For long-term storage, what is the recommended mixture for fuel conditioner/stabilizer?

• One ounce to every five gallons of fuel

• Two ounces to every gallon of fuel

• One ounce to every gallon of fuel

• One ounce to every three gallons of fuel

For continuous use, what is recommended mixture for fuel conditioner/stabilizer

• One ounce to every five gallons of fuel

• two ounce to every gallons of fuel

• One ounce to every gallons of fuel

• One ounce to every three gallons of fuel