Specifications; Test And Adjustment Specifications; Special Torque Chart - Yanmar BY Series Service Manual

LUBRICATION

SPECIFICATIONS

Test and Adjustment Specifications

Note: All pressure specifications are with engine at normal operating temperature.
Test Item
Oil Pressure

Special Torque Chart

Component
Oil Filter Cap
Oil Sump Bolt
Oil Sump Drain Plug
Oil Pickup Bolts
8-4
Model
4BY2
6BY2
Tightening Torque
25 N·m (221 in.-lb)
20 N·m (177 in.-lb)
25 N·m (221 in.-lb)
10 N·m (89 in.-lb)
© 2009 Yanmar Marine International
Test RPM
Idle
4000 rpm 3.8 to 6.0 bar (55 to 87 psi)
Idle
4000 rpm 3.8 to 6.0 bar (55 to 87 psi)
Lubricating Oil
Application
Not Applied Change Engine Oil and
Not Applied Remove and Install Oil
Not Applied
Not Applied
BY Service Manual

Specifications

Specification
0.8 bar (12 psi)
0.7 bar (10 psi)
Reference Page
Replace Engine Oil
Filter Element on
page 8-9
Sump on page 8-11
Install Oil Pump on
page 8-12