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Mercury 225 EFI User Manual

Mercury 225 EFI
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SPECIFICATIONS
90-884294 OCTOBER 2001 Page 1A-3
GEAR
HOUSING
Gear Ratio
– All Models (Standard)
– All Models (High Altitude)
Gearcase Capacity
– 1.75:1/1.87:1
Pinion Height
– All Models
Forward Gear Backlash
– 1.75:1/1.87:1
Reverse Gear Backlash
– Standard Rotation
– Counter Rotation
Water Pressure @ RPM
– @ Idle
– @ 5000 RPM
1.75:1 (12/21 teeth)
1.87:1 (15/28 teeth)
28 fl oz (828.0 ml)
0.025 in. (0.64 mm)
0.017 in. – 0.028 in.
(0.43 mm – 0.71 mm)
0.028 in. to 0.052 in.
(0.71 mm to 1.32 mm)
0.040 in. to 0.060 in.
(1.0 mm to 1.52 mm)
1-1/2 – 4-1/2 psi (10.3 – 30.8 kPa)
8 – 10 psi (54.8 – 68.5 kPa) Minimum
OIL
INJECTION
Recommended Oil
Oil Tank Capacity
Approx. Time
– All Models
Reserve Capacity/Approx. Time
Oil Pump Output
– All Models
Quicksilver or Mercury Precision Lubri-
cants NMMA/BIA Certified TC-W3
2 Cycle Outboard Oil
3 gal. (11.4 Liter)
6.0 hrs. Approx.
1.5 qt. (1.45 Liter) 30 – 35 min.
26cc during auto prime time period
FUEL
INJECTION
Idle RPM
– All Models
Wide Open Throttle (WOT) RPM
– All Models
Float Adjustment (Vapor Separator)
Float Level
Injectors
– All Models (Quantity)
– Injectors are Crank Angle
Driven by ECM
– #1 Cylinder
– #2 Cylinder
– #3 Cylinder
– #4 Cylinder
– #5 Cylinder
– #6 Cylinder
Line Pressure @ Injectors
Injector Resistance
Electric Fuel Pump Resistance
Electric Fuel Pump Amperage Draw
625 ± 50
5000 – 5800
Preset @ Factory
6
RED + BRN Leads
RED + WHT Leads
RED + ORG Leads
RED + YEL Leads
RED + LT BLUE Leads
RED + PUR Leads
41 psi – 45 psi (283 kPa – 310 kPa)
12.3 ohms ± 0.5 ohms
0.7 ± 0.3 ohms
4 amperes ± 0.5 amperes

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Mercury 225 EFI Specifications

General IconGeneral
Engine TypeV6
Horsepower225 hp
SteeringRemote
Fuel Induction SystemElectronic Fuel Injection (EFI)
Alternator Output60 Amp
Shaft Length20", 25"
Weight505 lbs
Full Throttle RPM Range5000-5800

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