EasyManua.ls Logo

Mercury 225 EFI - Section 4 A - Powerhead

Mercury 225 EFI
719 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
4
A
POWERHEAD
90-884294 OCTOBER 2001 Page 4A-1
POWERHEAD
Section 4A - Powerhead
Table of Contents
Specifications 4A-2. . . . . . . . . . . . . . . . . . . . . . . . . . .
Block 4A-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reed Valve Opening 4A-2. . . . . . . . . . . . . . . . . .
Cylinder Bore 4A-2. . . . . . . . . . . . . . . . . . . . . . . .
Piston 4A-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Special Tools 4A-3. . . . . . . . . . . . . . . . . . . . . . . . . . .
Powerhead Repair Stand 4A-4. . . . . . . . . . . . . .
Notes: 4A-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cylinder Block Assembly 4A-6. . . . . . . . . . . . . . . . .
Exhaust Adaptor Plate 4A-10. . . . . . . . . . . . . . . . . . .
Crankshaft, Pistons and Connecting Rods 4A-12. .
Starboard Bleed System Routing 4A-14. . . . . . . . . .
Port Bleed System Routing 4A-16. . . . . . . . . . . . . . .
Torque Sequence 4A-18. . . . . . . . . . . . . . . . . . . . . . .
General Information 4A-20. . . . . . . . . . . . . . . . . . . . .
Powerhead Removal from Driveshaft
Housing 4A-21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removing Engine Components 4A-27. . . . . . . . . . .
Removing Engine Components
Individually 4A-27. . . . . . . . . . . . . . . . . . . . . . . . . .
Vapor Separator Tank (VST) Removal 4A-28. . .
Air Plenum Removal 4A-30. . . . . . . . . . . . . . . . . .
Ignition Coil Plate and Harness Removal 4A-32
Starter Motor 4A-33. . . . . . . . . . . . . . . . . . . . . . . .
Electrical Plate Removal 4A-34. . . . . . . . . . . . . .
Alternator Removal 4A-35. . . . . . . . . . . . . . . . . . .
Powerhead Disassembly 4A-36. . . . . . . . . . . . . . . . .
Water Pressure Relief Valve Components 4A-46
Cleaning and Inspection 4A-47. . . . . . . . . . . . . . . . . .
Cylinder Block and Crankcase Cover 4A-47. . .
Special Service Information 4A-47. . . . . . . . . . . .
Cylinder Bores 4A-48. . . . . . . . . . . . . . . . . . . . . . .
Pistons and Piston Rings 4A-49. . . . . . . . . . . . . .
Cylinder Heads 4A-51. . . . . . . . . . . . . . . . . . . . . .
Crankshaft 4A-51. . . . . . . . . . . . . . . . . . . . . . . . . .
Crankshaft (and End Cap) Bearings 4A-52. . . .
Reed Block Assembly 4A-53. . . . . . . . . . . . . . . . .
End Bearing Bleed System 4A-53. . . . . . . . . . . .
Connecting Rods 4A-53. . . . . . . . . . . . . . . . . . . . .
Thermostats (120°F) (49°C) 4A-55. . . . . . . . . . .
Powerhead Reassembly and Installation 4A-56. . .
General 4A-56. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Crankshaft Installation 4A-59. . . . . . . . . . . . . . . .
Piston and Connecting Rod Reassembly 4A-61
Piston and Piston Ring Combinations 4A-62. . .
Piston Installation 4A-63. . . . . . . . . . . . . . . . . . . .
Crankcase Cover Installation 4A-67. . . . . . . . . . .
Assembly of Reed Blocks to Reed Block
Adaptor Plate 4A-69. . . . . . . . . . . . . . . . . . . . . . . .
Notes: 4A-73. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Throttle Lever and Shift Platform Assembly 4A-74.
Powerhead Installation On Driveshaft
Housing 4A-76. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shift Cable 4A-82. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Counter Rotation Outboards 4A-82. . . . . . . . . . .
Installation 4A-83. . . . . . . . . . . . . . . . . . . . . . . . . . .
Throttle Cable 4A-85. . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 4A-85. . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Clamp Reassembly 4A-86. . . . . . . . . . . . . .
Engine Break-in Procedure 4A-87. . . . . . . . . . . . . . .
Gasoline/Oil Break-In Mixture 4A-87. . . . . . . . . .
Break-In Procedure 4A-87. . . . . . . . . . . . . . . . . . .

Table of Contents

Related product manuals