four cycle engine parts

What is part 1? (zoom in on image)

• spark plug

• piston rings

• flywheel

• Piston

What is part 2? (zoom in on image)

• Piston

• Camgear

• Exhaust/Intake valve

• piston rings

What is part 3? (zoom in on image)

• Exhaust port

• Valve spring

• cooling fins

• Connecting rod

What is part 4? (zoom in on image)

• Piston rings

• crankshaft

• Oil pump

• sparkplug wire

What is part 5? (zoom in on image)

• Crankshaft

• Valve lifter

• Sparkplug

• Camgear

What is part 6? (zoom in on image)

• Piston

• Crankcase

• Camgear

• Camshaft

What is part 7? (zoom in on image)

• Camshaft

• Flywheel

• Crankcase

• Oil pump

What is part 8? (zoom in on image)

• Crankshaft

• Camgear

• Valve Spring

• Connecting rod

What is part 9? (zoom in on image)

• Camgear

• Crankcase

• Valve lifter

• Flywheel

What is part 10? (zoom in on image)

• Valve lifter

• Valve spring

• Cooling fins

• Sparkplug wire