Fuel system
Carb.& adjustment
Carb service
Ignition
Engine components and timing
100

Clogged filters or empty tanks can cause this issue in a gravity-fed system.

What is no fuel reaching the carburetor?

100

Engines that surge or lack power may need adjustment to this component

What is the carburetor?

100

This is the first step in servicing a carburetor.

What is removing the carburetor?

100

grab the corn for points

other person -100

100

A partially or fully damaged version of this part must be replaced.

What is the flywheel key?

200

Loose fittings in a fuel pump system allow this to enter and disrupt flow.

What is air entering the fuel line?

200

Before making carburetor adjustments, the engine should be in this condition.

What is warmed up?

200

Forcing parts or enlarging passages during service is something you should never do—this is why.

What is to prevent damage to carburetor components?

200

If spark appears when testing away from the plug base, this part is defective.

What is the spark plug?

200

This condition causes engine speed to increase and decrease repeatedly.

What is hunting?

300

This should always be checked first when diagnosing fuel supply issues.

What is fuel level in the tank?

300

Turning this adjustment to reach maximum engine speed affects fuel at full throttle.

What is the high-speed mixture adjustment?

300

A common issue involving these parts can prevent proper fuel flow.

What are the needle and seat?

300

This tool can also be used to safely check for spark.

What is a spark tester?

300

This tool is used to measure resistance in magneto testing.

What is a multimeter?

400

A dirty version of this component can block fuel flow to the carburetor.

What is a fuel filter?

400

This position is used when adjusting the idle mixture.

What is the slow or idle throttle position?

400

Cracked or brittle versions of this part can cause carburetor malfunction.

What is a diaphragm?

400

If no spark is present at all, the issue lies in this system.

What is the ignition system?

400

This adjustment ensures the piston is in the correct position when the spark occurs.

What is piston height adjustment?

500

A malfunctioning version of this device can prevent fuel from reaching the carburetor in pump systems.

What is the fuel pump?

500

Fuel spotting on paper held near the carburetor indicates failure of these components in a two-cycle engine.

What are reeds?

500

This document should always be followed for proper repair procedures.

What is the engine repair manual?

500

This measurement is used to test magneto primary windings.

What is resistance (or continuity)?

500

This process determines when voltage is sent to the spark plug.

What is timing the ignition spark?

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