Yanmar 4BY - General Service Information; Table of Contents

BY Service Manual
3-1
BY Service Manual
Section 3
GENERAL SERVICE
INFORMATION
Page
Engine Outline Drawings................................................................. 3-3
4BY - Inboard Version (Borg Warner Flange) ........................... 3-3
4BY - Stern Drive Version ......................................................... 3-4
6BY - Inboard Version (Borg Warner Flange) ........................... 3-5
6BY - Stern Drive Version ......................................................... 3-6
Engine Piping Diagrams.................................................................. 3-7
Location of Labels ........................................................................... 3-9
Engine Nameplates (Typical) .................................................... 3-9
Diesel Fuel .................................................................................... 3-10
Diesel Fuel Specifications ....................................................... 3-10
Bleeding the Fuel System........................................................ 3-11
Engine Oil...................................................................................... 3-11
Engine Oil Specifications......................................................... 3-11
Recommended Engine Oil....................................................... 3-12
Recommended Marine Gear or Stern Drive Oil....................... 3-14
Recommended Power Steering Fluid...................................... 3-14
Engine Coolant.............................................................................. 3-15
Engine Coolant Specifications................................................. 3-15
Recommended Engine Coolant............................................... 3-16
Principal Engine Specifications ..................................................... 3-17
Tightening Torques for Standard Bolts and Nuts .......................... 3-19
Tightening Fasteners............................................................... 3-19
Hexagon Bolts and Nuts.......................................................... 3-19
Hose Clamps........................................................................... 3-19
Abbreviations and Symbols........................................................... 3-20
Abbreviations........................................................................... 3-20
Symbols................................................................................... 3-20