Deck 19: Motorcycle Maintenance and Emission Controls

Question 1

How should a motorcycle be prepared for long term storage? Include procedures for prepping the fuel tank, cylinders and carburetors.

Answer 1

To prepare a motorcycle for storage you should replace the engine oil and filter, fill the cooling system with the correct ratio of coolant, fill the tank with fuel and add fuel stabilizer, drain the float bowls and run the engine with the enrichners on to use up any fuel left in the carburetors. Then remove the sparkplugs and pour a teaspoon of oil into each plug holes. Crank the engine over a few times to disperse the oil. Cover the bike and store it in a dry area.

Question 2

__________ is not a valve adjustment system.

A)Screw and lock nut
B)Shim under bucket
C)Shim over bucket
D)Lever and pulpit

Answer 2

D

Question 3

Oil fouled spark plugs are an indication that the _________ may be plugged up.

A)crankcase breather
B)exhaust port
C)purge control valve
D)fuel injectors

Answer 3

A

Question 4

Some small motorcycles spin the oil to remove impurities.

Question 5

Check the water to coolant ratio with a _____________.

A)digital volt meter
B)litmus paper
C)hydrometer
D)thermometer

Question 6

Detail the precautions you should follow when servicing the spark plugs and the possible ramifications that can occur if proper procedures are not followed.

Question 7

How is carburetor synchronization done and what kind of tool is used?

Question 8

Always clean the motorcycle before performing scheduled maintenance.

Question 9

Replace the oil filter at every other oil change.

Question 10

The compression test by itself is seldom a good reason to disassemble the engine.

Question 11

What are the three emission systems found on street motorcycles? What type of emissions does each system address?

Question 12

Explain why a compression test alone is not a good indication of engine condition and what other test is more comprehensive.

Question 13

Coolant around the _________signal(s)that the water pump seal is failing.

A)reservoir cap
B)radiator cap
C)telltale hole
D)thermostat

Question 14

A tune up usually includes a carburetor overhaul.

Question 15

Recommended compression readings can be found in the ____________.

A)owner's manual
B)manufacturer's web site
C)service manual
D)info tag on the frame