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Mercury XR2 User Manual

Mercury XR2
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32
OPERATION
Special Operating Instructions (Cont.)
OPERATING IN SALT WATER OR POLLUTED WATER
We recommend that you flush the internal water passages of your
outboard with fresh water after each use in salt or polluted water. This
will prevent a buildup of deposits from clogging the water passages.
Refer to “Flushing The Cooling System” procedure in the Mainte-
nance Section.
If you keep your boat moored in the water, always tilt the outboard
so the gear case is completely out of water (except in freezing tem-
perature) when not in use.
Wash down the outboard exterior and flush out the exhaust outlet of
the propeller and gear case with fresh water after each use. Each
month spray Quicksilver Corrosion Guard on the engine exterior,
electrical components and other metal surfaces (do not spray on cor-
rosion control anodes as this will reduce the effectiveness of the
anodes).
OPERATING AT HIGH ELEVATIONS
Operating your outboard at an elevation higher than 2500 ft. (750 m)
above sea level may require a carburetor jet change and/or different
pitch propeller. Consult your dealer. This will reduce the normal per-
formance loss experienced as a result of reduced oxygen in the air
causing an overly rich fuel mixture.
IMPORTANT: To prevent serious damage to the engine caused
by a lean fuel mixture, DO NOT operate your outboard (if the jets
were changed for high elevation) at a lower elevation unless the
jets are changed again to correspond to the new elevation.

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Mercury XR2 Specifications

General IconGeneral
MODELXR2
Horsepower180 (134kw)
Propshaft Kilowatts1194
Full Throttle RPM Range6000-7000
Idle RPM in Forward Gear650-750
Maximum Timing25° BTDC
Idle Speed Pickup Timing2° ATDC
Gear Ratio1.87:1
Piston Displacement122 cu. in. (2.0L/1998cc)
Bore3.125 in. (79.5 mm)
Stroke2.65 in. (67 mm)
Firing Order1-2-3-4-5-6
Recommended Spark PlugNGK-BUHW (P/N 33-97180)
Fuel Pressure5 - 6 psi
Recommended GasolineRefer to Fuel Section
Recommended OilRefer to Fuel Section
Recommended Gear Case OilQuicksilver Hi-Performance Gear Lube (92-816026A4)
Gear Case Lubricant Ca- pacity22.5 fl. oz. (666 ml)
Charging System Output16 amps @ 7000 RPM
Battery RatingMinimum reserve capacity rating of 100 minutes and CCA of 350
Water Pres. @ WOT15 PSI (103.4 kPa)
Weight and Dimensions IconWeight and Dimensions
Weight350 lbs. (159 kg)
Transom HeightShort Shaft = 15” (381mm) Long Shaft = 20” (508mm)

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