Nocti Small Engines

The engine that you are working on tends to kick back when you try to start it. The problem could be:

• The valve clearances are too close

• The valve clearances are too wide

• The head bolts have too much torque

• The sparkplug torque is incorrect

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Maintenance of the small gas engine includes:

• An oil change

• Air filter cleaning or replacement

• Cleaning and gapping the spark plug

• All of the above

When storing an engine over a season, drain the crankcase oil and refill with new oil of the recommended type and viscosity.

• True

• False

The middle ring on the 4 cycle gas engine piston is called a/an:

• O-ring

• Compression and/or scrapper

• Oil ring

• Teflon

The purpose of the cylinder wall crosshatch pattern is to:

• Control lubrication of the cylinder and aid in seating new rings

• Reduce combustion temperature

• Make the piston and rings slide easier

• Cool crankcase lubricant

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What is the primary function of the carburetor in a small engine?

• To mix air and fuel for combustion

• To cool the engine

• To lubricate engine parts

• To start the engine

Which component in a small engine is responsible for igniting the air-fuel mixture?

• Piston

• Spark plug

• Carburetor

• Crankshaft

What is the role of the flywheel in a small engine?

• To store rotational energy

• To increase engine speed

• To decrease engine noise

• To filter air intake

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

In a four-stroke engine, during which stroke does the exhaust valve open?

• Intake stroke

• Compression stroke

• Power stroke

• Exhaust stroke

What is the purpose of the oil ring in a small engine piston?

• To seal the combustion chamber

• To control oil consumption

• To increase compression

• To reduce engine noise