Yanmar 6BY - Introduction; Specifications; Special Torque Chart

ELECTRICAL AND ECU
BY Service Manual
12-5
Introduction
INTRODUCTION
This section of the Service Manual describes the operation of and procedures to test and replace the
components of the electrical system and engine control unit (ECU) as used on the Yanmar 4BY and 6BY
marine engines.
SPECIFICATIONS
Special Torque Chart
Item Specification
High-Pressure Fuel Control Valve Retaining Nut 80 N·m (59 ft-lb)
High-Pressure Fuel Sensor Retaining Nut 70 N·m (52 ft-lb)
Fuel Volume Regulator Screws 6.6 N·m (58 in.-lb)