Yanmar BY Series Service Manual page 72

ENGINE
System
Fuel Injector in Cylinder Head
Cover
High-Pressure Line Union
Nuts
Fuel System
Pressure Sensor to Fuel Rail
Fuel Injection
Nozzles and Lines
Pressure Regulator to Fuel
Rail
Fuel Return to Rail
Idler Pulley to Alternator
Poly V-Belt Drive
Bracket
Coolant Return Pipe to
Thermostat and
Crankcase and Oil Filter
Coolant Pipes
Housing
Glow Plugs
Glow Plugs
5-10
Component Model
4BY2
6BY2
4BY2
6BY2
4BY2
6BY2
4BY2
6BY2
4BY2
6BY2
4BY2
4BY2
4BY2
6BY2
© 2009 Yanmar Marine International
Thread Comments
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M6
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M14 x 1.5
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-
-
-
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Banjo Bolt
M8 x 35 -
Grade 10.9
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M8x18
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BY Service Manual
Special Torque Chart
Specification
9 N·m (80 in.-lb)
23 N·m (204 in.-lb)
70 N·m (52 ft-lb)
80 N·m (59 ft-lb)
25 N·m (221 in.-lb)
28 N·m (21 ft-lb)
11 N·m (97 in.-lb)
17.5 N·m (154 in.-lb)