General Service Information - Yanmar BY Series Service Manual

BY Service Manual
GENERAL SERVICE
INFORMATION
Safety Precautions .......................................................................... 3-3
Engine Outline Drawings................................................................. 3-4
4BY2 (Inboard) .......................................................................... 3-4
4BY2 (Stern Drive) .................................................................... 3-5
6BY2 (Inboard) .......................................................................... 3-6
6BY2 (Stern Drive) .................................................................... 3-7
Engine Piping Diagrams.................................................................. 3-8
4BY2.......................................................................................... 3-8
6BY2.......................................................................................... 3-9
Location of Nameplates................................................................. 3-11
Engine Nameplates (Typical) .................................................. 3-11
Diesel Fuel .................................................................................... 3-12
Diesel Fuel Specifications ....................................................... 3-12
Bleeding the Fuel System........................................................ 3-14
Engine Oil...................................................................................... 3-14
Engine Oil Specifications......................................................... 3-14
Acceptable Engine Oil ............................................................. 3-16
Recommended Marine Gear or Stern Drive Oil....................... 3-18
Recommended Power Steering Fluid...................................... 3-18
Engine Coolant.............................................................................. 3-19
Engine Coolant Specifications................................................. 3-19
Acceptable Engine Coolant ..................................................... 3-20
Principal Engine Specifications ..................................................... 3-21
Tightening Torques for Standard Bolts and Nuts .......................... 3-23
Tightening Fasteners............................................................... 3-23
BY Service Manual
Section 3
© 2009 Yanmar Marine International
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