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Section 05 ENGINE (4-TEC)

Subsection 06 (LUBRICATION SYSTEM)

Inspection

Inspect oil pump shaft assembly, housing and cov-

er for marks or other damages.

Check inner rotor for corrosion, pin-holes or other

damages. If so, replace oil pump shaft assembly.

Ensure to also check oil pump housing and cover

and replace if damaged.

R1503motr137A

1. Pittings on the teeth

Using a feeler gauge, measure the clearance be-

tween inner and outer rotors.

R1503motr138A

1. Outer rotor

2. Inner rotor

OUTER AND INNER ROTOR CLEARANCE

SERVICE LIMIT

0.25 mm (.009 in)

If clearance between inner and outer rotors ex-

ceeds the tolerance, replace oil pump shaft as-

sembly. Ensure to also check oil pump housing

and cover and replace if damaged.

If clearance between outer rotor and its bore in

oil pump exceeds the tolerance, replace the com-

plete oil pump and the PTO housing.

Using a vernier depth gage, measure side wear as

shown.

R1503motr139A

1. Oil pump housing surface

2. Vernier depth gage

R1503motr140A

1. Oil pump outer rotor surface

2. Vernier depth gage

Difference between pump housing and outer rotor

should not exceed 0.1 mm (.004 in). If so, replace

the complete oil pump assembly.

NOTE: When the axial clearance of the oil pump

shaft assembly increases, the oil pressure de-

creases.

250 smr2004-Complete Line Up

SeaDoo GTI User Manual

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