PWC PWC Maintenance and Equipment 3

Question 1

How should a PWC hull be inspected for stress cracks before launching?

Accepted Answer

Run your hand along the hull looking for hairline cracks, especially in the bow and stern areas

Answer

Running your hand and eyes along all hull surfaces, especially stress-prone areas, detects cracks that can worsen with water pressure and cause hull failure.

Question 2

What maintenance task should be performed on a PWC after every use?

Accepted Answer

Rinse with fresh water, dry thoroughly, and check for damage or loose fittings

Answer

Rinsing with fresh water removes salt and debris, drying prevents mold and corrosion, and a quick damage check catches issues before the next use.

Question 3

What does a warning beep from the engine temperature alarm on a PWC indicate?

Accepted Answer

The engine is overheating — reduce speed and inspect the cooling water intake

Answer

A temperature alarm means the engine is not cooling properly, usually due to a blocked intake or cooling system failure; continuing to run can cause engine seizure.

Question 4

What is the purpose of the ride plate on the bottom of a PWC?

Accepted Answer

It directs water flow into the jet pump intake for efficient operation

Answer

The ride plate channels water flow smoothly into the jet pump intake grate, maximizing pump efficiency and providing some directional stability at speed.

Question 5

How often should the engine oil be changed on a four-stroke PWC?

Accepted Answer

Per manufacturer recommendations, typically every 50 hours or annually, whichever comes first

Answer

Most four-stroke PWC manufacturers recommend oil changes every 50 hours of operation or once per season (annually), per the owner's manual.

PWC - Personal Watercraft Practice Test

PWC - Personal Watercraft Practice Test

PWC PWC Maintenance and Equipment 3