Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 223Get this manual
POWERHEAD
POWERHEAD
Section 4A
Table of Contents
Powerhead Specifications 4A-1 Special Tools 4A-1 Powerhead Repair Stand 4A-3 Cylinder Block and End Caps 4A-4 Exhaust Manifold and Exhaust Plate 4A-6 Cylinder Head 4A-8 Crankshaft, Pistons and Connecting Rods 4A-10 Torque Sequence 4A-11 General Information 4A-13 Powerhead Removal from Driveshaft Housing 4A-13 Powerhead Disassembly 4A-17 Water Pressure Relief Valve Components 4A-25 Torque Specifications 4A-25 Cleaning and Inspection 4A-26 Cylinder Block and Crankcase Cover 4A-26 Special Service Information 4A-26 Cylinder Bores 4A-27 Pistons and Piston Rings 4A-28 Cylinder Heads and Exhaust Divider Plate 4A-30 Crankshaft 4A-30 Crankshaft (and End Cap) Bearings 4A-31 Reed Block Assembly 4A-32 End Bearing Bleed System 4A-33 Connecting Rods 4A-33 Thermostats 4A-35 Powerhead Reassembly and Installation 4A-36 General 4A-36 Crankshaft Installation 4A-40 Piston and Connecting Rod Reassembly 4A-42 Piston and Piston Ring Combinations 4A-43 Piston Installation 4A-44 Crankcase Cover Installation 4A-46 Assembly of Reed Blocks to Intake Manifold 4A-48 Assembly of Exhaust Divider Plate to Block 4A-48 Reinstalling Engine Components 4A-51 Throttle Lever and Shift Shaft 4A-52 Throttle Lever and Shift Shaft 4A-53 Powerhead Installation on Driveshaft Housing 4A-54 Break-ln Procedure 4A-58