Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 281Get this manual

Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 281

COOLING
POWERHEAD
Section 4BCooling

Table of Contents
Specifications Water Pressure Thermostat Special Tools Temperature Sensor 2.5 Liter OptimaxDFI Water Flow Description 4B-1 4B-1 4B-1 4B-2 4B-3 4B-3 4B-3 19981999 Water Flow Diagram 4B-5 1999 12 Water Flow Diagram 4B-6 Thermostat Test 4B-7 Water Pressure Check 4B-8 Water Pump Cleaning and Inspection 4B-9 Problem Diagnosis 4B-10

Specifications
Water Pressure
Idle Poppet Valve Opening W.O.T1.0 3.0 PSI (6.8 20.5 kPa) PSI (27.4 61.6 kPa) 12.0 PSI (82.1 kPa) Minimum 120F (48.9C)

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