100+ Free Motorcycle/Small Engine NC II Practice Questions

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Key Facts: Motorcycle/Small Engine NC II Exam

Competent

Required Grade

Competency-based

4-6 hours

Assessment Time

Written + Practical

₱1,491.00

Standard Fee

TESDA Promulgated

278-650 hrs

Training Length

Nominal course hours

5 years

NC II Validity

TESDA NC II

Cold

Valve Adjustment

At room temp

The TESDA Motorcycle/Small Engine Servicing NC II assessment in the Philippines certifies core mechanic competencies. It consists of a 1-hour written/oral test (typically 30-50 questions) and a 3-to-5-hour practical demonstration (engine overhauling, electrical troubleshooting, periodic maintenance). The standard assessment fee is ₱1,491.00, and candidates must pass all competency units to earn the certificate.

Sample Motorcycle/Small Engine NC II Practice Questions

Try these sample questions to test your Motorcycle/Small Engine NC II exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1What is the standard procedure for cleaning a polyurethane foam air filter element used in most small underbone motorcycles?

A.Wash with kerosene or a high-flash point solvent, squeeze out the excess, dry it, and then saturate with clean engine oil and squeeze out excess oil.

B.Blow with high-pressure compressed air from the inside out and wipe the exterior surface with a dry cloth.

C.Wash with gasoline, wring it out tightly, and install it immediately to allow the fuel to clean the carburetor.

D.Soak in hot soapy water, wring it out to dry, and install it dry without applying any oil.

Explanation: Polyurethane foam filters must be washed in a high-flash point solvent like kerosene (gasoline is too dangerous and can degrade the foam), dried thoroughly, and then saturated with clean engine oil (usually SAE 30 or 10W-30) with the excess oil squeezed out. The oil is what actually traps the fine dust particles; running a foam filter dry or cleaning it with compressed air will damage the element and allow dirt to enter the engine.

2When checking the engine oil level of a motorcycle using a dipstick, which of the following describes the correct measurement procedure?

A.Warm up the engine, shut it off, wait a few minutes, hold the motorcycle upright on level ground, wipe the dipstick, insert it without screwing it in, and check the level.

B.Measure the oil immediately after a long ride while the engine is running and the motorcycle is on its side stand.

C.Wipe the dipstick, screw it in fully, hold the motorcycle on its side stand, unscrew it, and read the level.

D.Measure the oil while the engine is cold, with the motorcycle leaning on the side stand, inserting the dipstick without wiping it.

Explanation: To get an accurate oil level reading on most standard motorcycles, the engine should be warmed up, turned off, and allowed to sit for a few minutes so the oil drains back into the sump. The motorcycle must be held upright on level ground (not on the side stand), and the dipstick should be wiped, inserted until it seats on the threads but NOT screwed in, and then removed to inspect the level between the upper and lower marks.

3What is the recommended range of drive chain slack for a standard underbone motorcycle, and where should this measurement be taken?

A.20 mm to 30 mm, measured at the midpoint of the lower chain run between the front and rear sprockets.

B.5 mm to 10 mm, measured directly underneath the rear sprocket.

C.40 mm to 50 mm, measured at the top run of the chain near the swingarm pivot.

D.10 mm to 15 mm, measured on the lower run while the rider is sitting on the motorcycle.

Explanation: For most standard street-going underbone motorcycles, the drive chain slack should be adjusted to 20–30 mm (or 0.8 to 1.2 inches). This measurement is taken by pushing the chain up and down at the midpoint of the lower chain run between the drive and driven sprockets with the motorcycle on its center stand (unloaded). Proper slack is critical to prevent binding as the rear suspension compresses.

4When inspecting a conventional flooded lead-acid battery, what liquid should be added if the electrolyte level is below the lower limit mark?

A.Distilled water

B.Tap water

C.Battery acid (diluted sulfuric acid)

D.Engine coolant mixed with water

Explanation: During battery operation and charging, water evaporates from the electrolyte solution, but the sulfuric acid remains. Therefore, you should only replenish a low battery with distilled water to bring the level back up to the upper limit line. Adding tap water introduces mineral impurities that ruin the battery plates, and adding more acid increases the concentration to damaging levels, shortening battery life.

5Which tool should be used to measure the gap of a spark plug to ensure it meets manufacturer specifications?

A.Wire-type or flat feeler gauge

B.Vernier caliper

C.Steel dial indicator

D.Thread pitch gauge

Explanation: A wire-type spark plug gap gauge or a flat feeler gauge is the correct tool for measuring the gap between the center and side electrodes of a spark plug. The wire gauge is preferred for used spark plugs because the electrodes may wear unevenly, leaving a concave profile that flat feeler gauges cannot accurately measure. The standard spark plug gap for small motorcycle engines is usually between 0.6 mm and 0.8 mm.

6What is the standard spark plug electrode gap specification for a typical underbone motorcycle engine like the Honda Wave or Yamaha Crypton?

A.0.6 mm to 0.7 mm

B.1.2 mm to 1.5 mm

C.0.1 mm to 0.2 mm

D.2.0 mm to 2.5 mm

Explanation: The standard spark plug gap for most small displacement underbone motorcycle engines in the Philippines (typically 100cc to 125cc) is 0.6 mm to 0.7 mm (or up to 0.8 mm depending on the exact model). Keeping the gap within this range ensures that the ignition coil can generate enough voltage to jump the gap and create a strong spark without overstressing the ignition system or causing misfires under load.

7Why must you check the tyre pressure when the tyres are cold rather than after riding?

A.Riding heats up the air inside the tyre, causing it to expand and show a higher pressure reading than the actual cold baseline.

B.Tyres shrink when warm, which compresses the internal air and causes a lower pressure reading.

C.The valve stem seal only functions correctly when it is cold, preventing air leaks during measurement.

D.The rubber compound of a hot tyre softens and absorbs the air, making it impossible to take a reading.

Explanation: Friction between the tyre and the road during riding heats up both the tyre rubber and the air trapped inside. According to gas laws, heating air inside a fixed volume increases its pressure. Therefore, measuring tyre pressure after riding will yield a falsely inflated reading; manufacturers print tyre pressure specs based on 'cold' tyres (stationary for at least three hours) to establish a consistent, safe baseline.

8What is the correct procedure for checking and adjusting the free play of a motorcycle's mechanical front brake cable?

A.Measure the distance the lever moves before the brake begins to engage, and adjust the play using the adjusting nut at the brake hub panel.

B.Tighten the adjusting nut until the wheel cannot rotate freely, then back it off exactly one half turn.

C.Measure the play at the handlebar grip, and adjust it by adding spacer washers inside the brake lever pivot bolt.

D.Adjust the play by changing the thickness of the brake shoes inside the drum brake assembly.

Explanation: To check mechanical front brake free play, you measure the distance the brake lever moves at its tip before the brake shoes actually start contacting the drum (standard free play is typically 10–20 mm). Adjustment is made by turning the adjusting nut located at the lower end of the cable on the brake hub panel. Turning it clockwise reduces free play, while turning it counterclockwise increases free play.

9What does a light tan or gray color on the insulator tip of a spark plug indicate about the engine's operating condition?

A.The carburetor mixture and engine operating temperature are correct.

B.The air-fuel mixture is running extremely rich, leading to carbon fouling.

C.The engine is burning excessive oil due to worn piston rings.

D.The spark plug heat range is too hot, causing the electrode to melt.

Explanation: A light tan, gray, or buff color on the ceramic insulator tip indicates that the spark plug is operating at the correct temperature and the air-fuel mixture is balanced. This means the engine has good combustion efficiency, is not running too rich (which deposits black carbon) or too lean (which overheats and leaves a white, blistered appearance).

10Which of the following is the standard specified throttle grip free play for a standard underbone motorcycle?

A.2 mm to 6 mm

B.15 mm to 20 mm

C.0 mm (no free play allowed)

D.10 mm to 12 mm

Explanation: Throttle grip free play should be adjusted to between 2 mm and 6 mm of rotation at the grip flange. Having a small amount of free play is critical to prevent the throttle cable from pulling tight and accidentally increasing engine speed when the handlebars are turned fully to the left or right during tight maneuvers.

About the Motorcycle/Small Engine NC II Exam

National competency assessment in the Philippines for motorcycle and small engine mechanics. Evaluates skills in periodic maintenance, fuel/electrical systems, and overhauling.

Questions

50 scored questions

Time Limit

6 hours

Passing Score

75%

Exam Fee

₱1,491.00 (TESDA)

Motorcycle/Small Engine NC II Exam Content Outline

15%

Periodic Maintenance

Routine inspections, lubrication, adjustments, filter cleaning, spark plug checks, and tire pressure

20%

Engine Mechanical & Overhauling

Cylinder head/block assembly, valve clearances, piston rings, gaskets, cooling systems, and engine rebuilds

15%

Fuel & Exhaust Systems

Carburetor adjustment, idle tuning, float level calibration, fuel lines, exhaust pipe service, and exhaust restrictions

20%

Electrical & Ignition Systems

CDI operation, spark plugs, ignition coils, charging systems, starter circuit, wiring diagram reading, and multitester usage

15%

Chassis, Suspension & Brakes

Front/rear suspension checks, oil seals, hydraulic brake bleeding, drum brake shoe service, and wheel alignment

15%

Clutch, Transmission & Final Drive

Manual clutch adjustment, automatic clutch shoes, drive chain/sprocket wear, and CVT transmission servicing

How to Pass the Motorcycle/Small Engine NC II Exam

What You Need to Know

Passing score: 75%
Exam length: 50 questions
Time limit: 6 hours
Exam fee: ₱1,491.00

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

Motorcycle/Small Engine NC II Study Tips from Top Performers

1Learn to use a thickness gauge (feeler gauge) correctly, as adjusting valve clearance and spark plug gaps are essential practical tasks.

2Practice engine disassembly and reassembly in the correct sequence. Pay attention to timing marks on the cam sprocket and flywheel.

3Understand wiring diagrams and how to trace electrical flows using a digital multimeter. Know how to check continuity, voltage, and resistance.

4Memorize safety procedures (OHS) including the proper handling of flammable fluids, batteries, and exhaust gases in the shop.

5Familiarize yourself with both 2-stroke and 4-stroke engine principles, as the assessment can cover both types.

Frequently Asked Questions

What is the format of the TESDA Motorcycle/Small Engine Servicing NC II assessment?

The assessment has two components: a written/oral test comprising 30 to 50 multiple-choice questions (testing knowledge of safety, calculations, mechanics, and diagnostics) and a hands-on practical exam where you demonstrate skills like overhauling an engine, servicing electrical systems, and performing periodic maintenance.

What is the passing score for the assessment?

TESDA assessments are competency-based rather than score-based. You must be graded 'Competent' in all individual units of competency (basic, common, and core) to pass and receive the National Certificate (NC II). For the written/oral test part, a score of 75% or higher is typically expected.

How much does the Motorcycle/Small Engine Servicing NC II assessment cost?

The standard promulgated assessment fee set by TESDA is PHP 1,491.00. Be sure to verify the exact cost with your local accredited assessment center, as minor local charges may apply.

What happens if I fail the assessment?

If you fail the assessment, you can apply for reassessment. You will only need to retake the specific competency units where you were found 'Not Yet Competent'. However, if you fail twice consecutively, you must complete a refresher course before taking a third attempt.

How long is the validity of the TESDA NC II certificate?

The National Certificate (NC II) issued by TESDA is valid for five (5) years. After this period, you can apply for renewal by showing proof of continuous practice in the trade or by taking a renewal assessment.