Yamaha MCP Inline Section 6

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?

Evaluate responses using AI:

OFF

  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 are correct

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 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