Test 1

Question 1

Overhaul that is returned to “original new specifications”.

Answer 1

Remanufactured Overhaul

Question 2

Overhaul that is returned to “Serviceable Limits”.

Answer 2

Standard Overhaul

Question 3

_____ inspection is the complete disassemble, inspection for damage and reassembly of the engine.

Answer 3

Bulk Inspection

Question 4

When does bulk inspection carried out?

Answer 4

After a PROP STRIKE, WATER IMMERSION, OVER SPEED, FOREIGN OBJECT INGESTION, SUDDEN STOPPAGE.

Question 5

What is the purpose of internal magneto timing?

Answer 5

to set Efficiency gap (E-gap) position for most intense or highest energy spark from the magneto

Question 6

How to adjust e-gap?

Answer 6

thisis done by adjusting primary points to open/break the primary coil/circuit at the point of highest intensity

Question 7

Breaker points are connected to _______?

Answer 7

primary circuit/coil/lead

Question 8

What is the position of the engine when timing a magneto?

Answer 8

10-25 degrees before TDC on the Compression stroke

Question 9

Why do we delay the spark when starting and how is it achieved?

Answer 9

to prevent kickback, and it is acheived by using an impulse coupler.

Question 10

Green spark plug (inner surface)

Answer 10

0.010

Question 11

yellow Sparkplug (inner surface)

Answer 11

0.020

Question 12

Orange sparkplug (inner surface)

Answer 12

chrome plated

Question 13

orange and white sparkplug (inner surface)

Answer 13

Cermichrome

Question 14

Unpainted sparkplug (inner surface)

Answer 14

standard steel barrell

Question 15

leaking from breather

Answer 15

change the piston ring

Question 16

Whistling sound

Answer 16

There’s a LEAK on the crankcase

Question 17

how to adjust clearance on hydraulics?

Answer 17

adjust with pushrod

Question 18

If not hyrdraulic, adjust on the _____?

Answer 18

adjust the screw on the rocker arm

Question 19

what does thrust washer do?

Answer 19

limits fwd and aft movement

Question 20

When does the valve overlap happens?

Answer 20

just before the end of exhaust stroke

Question 21

which side has more cooling fins?

Answer 21

exhaust

Question 22

What position should be a compression test be done?

Answer 22

ignition off, throttle closed position, mixture control idle cutoff position, fuel selector off

Question 23

Position of soap test be done?

Answer 23

BDC

Question 24

How are barrell and cylinder head attached?

Answer 24

interferance fit

Question 25

Inner surface cylinder color indications

Answer 25

Unpainted: standard steel

Orange: chrome plated

Blue: Nitrided barrell

green: 0.010 oversize
yellow: 0.020 oversize

Question 26

Sparkplug paint?

Answer 26

Yellow: Long reach 13/16” thread depth

No paint: Normal reach 1/2” thread depth

Question 27

Function of compression ring?

Answer 27

provides seal for gases in the cylinder and transfers heat from the piston to the cylinder walls

Question 28

function of oil control rings?

Answer 28

controls the amount of oil between the piston and cylinder wall

Question 29

Functions of oil scraper rings?

Answer 29

wipe excess oil away gromoil control ring, backm into the sump (wet/dry)

Question 30

Camshaft speed vs cranksshaft speed?

Answer 30

camshaft rotates 1/2 the speed of crankshaft

Question 31

Purpose of Nitriding cylinder walls?

Answer 31

hardened to reduce wear but still rust easily as plain steel

Question 32

Purpose of chroming cylider.?

Answer 32

to resist wear and provide corrosion resistant

Question 33

Sound from the carburetor indicates?

Answer 33

leak on the intake

Question 34

sound in the exhaust indicates?

Answer 34

leak on the exhaust fins or cracks

Question 35

What does whistling sound indicates (high pressure)?

Answer 35

leak from crankcase

Question 36

Reason to carry major overhaul?

Answer 36

TBO is due

Question 37

If adjustment points is damaged, what will you do?

Answer 37

change the capacitor

Question 38

how to install a magneto?

Answer 38

1 cylinder at firing position of compression stroke