STARTER MOTOR
Safety Precautions
12/05
BY Service Manual
10-3
© 2009 Yanmar Marine International
SAFETY PRECAUTIONS
Before servicing the starter motor, review the Safety Section on page 2-1.
INTRODUCTION
This section of the Service Manual covers servicing of the starter motor on 4BY2 and 6BY2 engines.
STARTER MOTOR SPECIFICATIONS
General Specifications
Special Torque Chart
Item Bosch (4BY2) Denso (6BY2)
Nominal Power 2.0 kW 2.0 kW
Nominal Voltage 12V 12V
Test Voltage 13 ± 0.26V 13 ± 0.26V
Maximum Operating Temperature 120°C (248°F) 120°C (248°F)
Rotation Clockwise Clockwise
Weight 3.5 kg (7.7 lb) 3.5 kg (7.7 lb)
Item Specification
Battery Positive (+) Cable 15 N·m (133 in.-lb)
Solenoid Primary Wire 8 N·m (71 in.-lb)
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