Section 02 ENGINE
Subsection 08 (LUBRICATION SYSTEM)
smr2007-015-005_b
TYPICAL
1. Valve piston guide
2. Valve piston
3. Compression spring
4. Oil pressure regulator plug
5. O-ring
WARNING
Oil pressure regulator plug on oil pump hous-
ing is spring loaded.
Oil Pressure Regulator Inspection
Inspect valve piston and valve piston guide for
scoring or other damages.
Check compression spring for free length.
COMPRESSION SPRING FREE LENGTH
NEW NOMINAL
58.2 mm (2.291 in)
SERVICE LIMIT
50.3 mm (1.98 in)
Replace parts if important wear or damage are
present.
Clean bore and threads in the PTO housing from
metal shavings and other contaminations.
Oil Pressure Regulator Installation
For installation, reverse the removal procedure.
Pay attention to the following details.
Be careful that the O-ring on plug screw is in
place.
Apply
LOCTITE 243 (BLUE) (P/N 293 800 060)
on
threads of the oil pressure regulator plug.
Torque plug screw to 13 N•m (115 lbf•
in
).
OIL PRESSURE PUMP
The oil pressure pump is located in the PTO hous-
ing and is driven by the balance shaft.
Oil Pressure Pump Removal
1. Remove engine oil. See procedure in
OIL
CHANGE
in this subsection.
2. Remove the PTO housing.
Refer to
PTO
HOUSING AND MAGNETO
subsection.
3. Remove water pump housing and the impeller.
Refer to
COOLING SYSTEM
subsection.
4. Remove screws securing the oil pump cover.
1
R1503motr125A
2
1. Screws
2. Oil pump cover
5. Pull and remove the outer oil pump rotor.
1
R1503motr126A
1. Outer oil pump rotor
6. Refer to
COOLING SYSTEM
subsection and ex-
tract the water/oil pump shaft from outside PTO
housing.
7. Using a screwdriver, remove the rotary seal.
smr2009-023
99
Summary of Contents for GTX Limited iS 255 2009
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Page 554: ...2009 Sea Doo 4 TEC iTC iS Series RXT iS 255 GTX Limited iS 255 smr2009 045 001 ...
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