Yanmar 6BY2 - Specifications; General Information; Test and Adjustment Specifications

ENGINE
Specifications
5-4 BY Service Manual
© 2009 Yanmar Marine International
SPECIFICATIONS
General Information
Test and Adjustment Specifications
Engine Model 4BY2 6BY2
Number of Cylinders In-Line 4 In-Line 6
Bore
84 mm
(3.31 in.)
84 mm
(3.31 in.)
Stroke
90 mm
(3.54 in.)
90 mm
(3.54 in.)
Effective Displacement
1.995 L
(122 cu in.)
2.993 L
(183 cu in.)
Compression Ratio 16.5:1 16.5:1
Test Item Remarks Specification
Cylinder Compression Test Compression Pressure
28 ±2 bar
(406 ±29 psi)