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MerCruiser MCM 3.0LX User Manual

MerCruiser MCM 3.0LX
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1B - 10 - MAINTENANCE 90-816462 2-695
6. Coat sealing ring on new filter with engine oil, and
install. Tighten filter securely (following filter man-
ufacturer’s instructions). Do not over-tighten.
50617
a
b
a - Oil Filter
b - Sealing Ring
7. Fill crankcase with oil.
8. Start engine and check for leaks.
Maintaining Power Steering
Pump Fluid Level
With Engine Warm
1. Stop engine and position drive unit so that it is
straight back.
2. Remove fill cap/dipstick from power steering
pump and note fluid level.
50629
b
a
a - Fill Cap/Dipstick
b - Power Steering Pump
3. Level should be between the FULL HOT mark
and ADD mark on dipstick.
72518
a
a - Proper Fluid Level with Engine Warm
4. If level is below ADD mark, but fluid is still visible
in pump reservoir, add required amount of Quick-
silver Power Trim and Steering Fluid or automatic
transmission fluid (ATF), Dexron, or Dexron II,
through fill cap opening, to bring level up to FULL
HOT mark on dipstick. DO NOT OVERFILL.
5. If fluid is not visible in reservoir, a leak exists in the
power steering system. Find cause and correct.
With Engine Cold
1. With engine stopped, position drive unit so that it
is straight back.
2. Remove fill cap/dipstick from power steering
pump and note fluid level.
3. Level should be between FULL COLD mark and
bottom of dipstick.
72519
a
a - Proper Fluid Level with Engine Cold
4. If level is below bottom of dipstick, but fluid is still
visible in pump reservoir, add required amount of
Quicksilver Power Trim and Steering Fluid or au-
tomatic transmission fluid (ATF), Dexron, or Dex-
ron II, through fill cap opening, to bring level up to
FULL COLD mark on dipstick. DO NOT OVER-
FILL.
5. If fluid is not visible in reservoir, a leak exists in the
power steering system. Find cause and correct.
Index

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MerCruiser MCM 3.0LX Specifications

General IconGeneral
Displacement181 CID (3.0L)
Horsepower135 HP
Fuel SystemCarbureted
IgnitionElectronic
Alternator65 Amp
Cylinders4
AspirationNaturally Aspirated
Horsepower @ RPM135 HP @ 4800 RPM
Full Throttle RPM Range4400-4800 RPM
Fuel TypeGasoline
Cooling SystemRaw Water Cooled
Oil Capacity4.5 Quarts
Bore x Stroke4.00 x 3.60 in. (101.6 x 91.4 mm)
Dry Weight635 lbs

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