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MerCruiser 3.0 MPI User Manual

MerCruiser 3.0 MPI
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Section 5 - Maintenance
90-899883272 MARCH 2008 Page 71
NOTE: If the boat is operated at idle for prolonged periods of time, coupler should be
lubricated in the
Alpha Models
‑ every 150 hours.
a
6213
Alpha drive coupler
a - Engine coupler grease fitting
Tube Ref No. Description Where Used Part No.
91
Engine Coupler Spline Grease Coupler 92-802869A 1
NOTE:
Alpha Models
Your power package is equipped with a sealed engine coupler
and Perm‑a‑Lube U‑joints. The sealed coupler and shaft splines can be lubricated without
removing the sterndrive unit. The Perm‑a‑Lube U‑joints do not require lubrication.
Driveshaft Extension Models
1. Lubricate the transom end grease fitting and engine end grease fitting by applying
approximately 10 ‑ 12 pumps of grease from a typical hand‑operated grease gun.
2. Lubricate the driveshaft grease fittings by applying approximately 3 4 pumps of grease
from a typical hand‑operated grease gun.
a
b
a
c
17014
a - Driveshaft grease fittings
b - Transom end grease fitting
c - Engine end grease fitting
Tube Ref No. Description Where Used Part No.
42
U-joint and Gimbal Bearing
Grease
Transom end grease fitting,
engine end grease fitting,
driveshaft grease fittings
92-802870A1

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MerCruiser 3.0 MPI Specifications

General IconGeneral
Horsepower135 hp (101 kW)
IgnitionElectronic
Cylinders4
AspirationNaturally Aspirated
Compression Ratio9.3:1
Full Throttle RPM4400-4800 RPM
Displacement3.0L / 181 CID
Fuel SystemMulti-Port Injection (MPI)
Bore x Stroke4.00" x 3.60" (101.6mm x 91.4mm)
Fuel Requirement87 Octane Minimum
Engine TypeInline 4
Cooling SystemRaw water
Alternator Output65 amp

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