Q1: How long will a spark plug last?

Q1: How long will a spark plug ..

Viewed:818 Time:2019-11-29

Answer:Even when a spark plug is correctly used, periodic replacement is required as it is a consumable item.
In addition to correct heat rating, what other precautions should be taken during installation of sp

Q2:In addition to correct heat ..

Viewed:772 Time:2019-11-29

Answer:Ensure the spark plug has the correct thread reach.
Is there a specified tightening torque for the spark plug?

Q3:Is there a specified tighten..

Viewed:759 Time:2019-11-29

Answer:The tightening torque for a spark plug changes with the diameter of the spark plug.
Is a stain between the insulator and metal shell caused by gas leakage?

Q4:Is a stain between the insul..

Viewed:915 Time:2019-11-28

Answer:It is not a stain caused by gas leakage but by corona discharge(corona stain).
What is good ignitability?

Q5:What is good ignitability?

Viewed:938 Time:2019-11-28

Answer:"Ignition performance"refers to an engine's ability to successfully and effectively,burn a wide range of air/fuel mixtu..
What are the effects of spark plug overheating?

Q6:What are the effects of spar..

Viewed:816 Time:2019-11-28

Answer:Prolonged overheating may induce abnormal combustion such as pre-ignition and detonation resulting in melting of the sp..
What is spark plug fouling?

Q7:What is spark plug fouling?

Viewed:919 Time:2019-11-28

Answer:It is a phenomenon by which carbon accumulated at the firing end causes electrical leakage that leads to misfiring.
What kinds of spark plugs offer good resistance to carbon build-up?

Q8:What kinds of spark plugs of..

Viewed:1407 Time:2019-11-28

Answer:A spark plug designed for the spark to jump along the insulator surface of firing end,in order to burn off accumulated ..
What is the function of the ribs on the insulator?

Q9:What is the function of the ..

Viewed:694 Time:2019-11-28

Answer:They ensure insulation and prevent flash-ove
Why is the firing end appearance of a spark plug important?

Q10:Why is the firing end appea..

Viewed:1460 Time:2019-11-28

Answer: Because the firing end appearance reflects the suitability of the spark plug as well as the condition of the engine.
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