PWC PWC Maintenance and Equipment

Question 1

How often should the jet pump intake grate be inspected on a PWC?

Accepted Answer

Before each use and after any contact with debris or shallow water

Answer

The intake grate should be inspected before every outing and immediately after any debris contact to ensure it is not damaged or clogged.

Question 2

What should you do if weeds or debris are caught in the jet pump intake of a PWC?

Accepted Answer

Shut off the engine and clear the intake by hand or with a stick

Answer

The engine must be shut off before reaching into or near the intake to prevent serious injury from the impeller; then clear debris manually.

Question 3

What is the purpose of flushing a PWC engine with fresh water after riding in salt water?

Accepted Answer

To remove salt deposits that cause corrosion and damage internal components

Answer

Flushing with fresh water after saltwater use removes corrosive salt deposits from the cooling system and exhaust passages, extending engine life.

Question 4

What does a PWC bilge blower do and when should it be run?

Accepted Answer

It removes fuel vapors from the engine compartment — run it before starting the engine

Answer

The bilge blower ventilates the engine compartment to remove explosive fuel vapors before starting the engine, preventing fire or explosion.

Question 5

Which type of fire extinguisher is recommended for a PWC engine compartment?

Accepted Answer

Type B:C dry chemical or clean-agent extinguisher

Answer

Type B:C extinguishers are designed for fuel/oil and electrical fires, which are the types most likely in a PWC engine compartment.

PWC - Personal Watercraft Practice Test