Jet Pump Unit; Impeller Inspection - Yamaha waverunner xlt800 Service Manual

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Table of Contents

ELECTRICAL/JET PUMP UNIT

Battery breather hose 1

Battery positive lead 2

Battery negative lead 3

Connect the positive lead to the battery

terminal first.

Make sure the battery leads are con-

nected properly. Reversing the leads can

seriously damage the electrical system.

Make sure that the battery breather hose is

properly connected and is not obstructed.

Coat the terminals with a water resistant

grease to minimize terminal corrosion.

JET PUMP UNIT

Damage/wear → Replace.

Nicks/scratches → File or grind.

Impeller-to-housing clearance a

Out of specification → Replace.

Max. impeller-to-housing

0.6 mm (0.02 in)

Measurement steps:

Remove the battery leads.

Remove the intake grate and intake

Refer to "JET PUMP UNIT" in Chapter

Measure the clearance at each impel-

ler blade as shown (a total of three

measurements).

Install the intake duct and intake grate.

Refer to "JET PUMP UNIT" in Chapter

Install the battery leads.