Mercury 225 Service Manual

90-822900R3 DECEMBER 1997 IMPORTANT INFORMATION - 1A-3
Model 3 Litre Work/225 Carb/225 EFI/250EFI
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Idle RPM
– Model 225 EFI/250 EFI
Wide Open Throttle (WOT) RPM
– Model 225 EFI
– Model 250 EFI
Float Adjustment (Vapor Separator)
Float Level
Injectors
– All Models (Quantity)
– Fuel ECU Receives Signal from:
– #2 Primary Ignition Circuit
– #4 Primary Ignition Circuit
– #6 Primary Ignition Circuit
Line Pressure @ Injectors
650 ± 50
5000 – 5800
5000 – 5800
Preset @ Factory
6
#1 and #2 Injectors (WHITE Lead)
#3 and #4 Injectors (DARK BLUE Lead)
#5 and #6 Injectors (YELLOW Lead)
34 psi – 36 psi (234kPa – 248kPa)
OIL
INJECTION
Recommended Oil
Oil Tank Capacity (in boat)
Approx. Time
– Model 225/250
Reserve Capacity/Approx. Time
Output @ 1500 RPM for 3 Minutes
with Pump @ Full Open
Quicksilver TC-W3
3 gal. (11.4Liter)
6.0 hrs. Approx.
1.5 qt. (1.45 Liter) 30 – 35 min.
31.5cc @ 1500 RPM

Mercury 225 Specifications

General

Fuel Induction System	Electronic Fuel Injection (EFI)
Horsepower	225 HP
Steering	Hydraulic Steering
Shaft Length	20"
Starting	Electric Start
Cylinders	V6