Yanmar BY Series Service Manual page 69

Specifications
12/05
Component
1st Groove Side Clearance
1st Groove End Gap
Engine
Piston, Rings, 2nd Groove Side Clearance
Pins
2nd Groove End Gap
3rd Groove
Bore Diameter - stage 0
Bore Diameter - stage 1*
Engine Permitted out-of-round of cylinder bore*
Cylinder Block
Permitted conicity of cylinder bore*
Permitted total wear tolerance piston to cylinder
Includes Oil Filters
Oil Change
**
Volume
* Values are for new or reconditioned cylinders.
** Capacity may vary depending on installation angle
BY Service Manual
Remarks
*
© 2009 Yanmar Marine International
Specification
0.12 - 0.16 mm
(0.005 - 0.006 in.)
0.20 - 0.35 mm
(0.008 - 0.014 in.)
0.07 - 0.11 mm
(0.003 - 0.004 in.)
0.30 - 0.45 mm
(0.012 - 0.018 in.)
Cannot be measured
84.007 ±0.007 mm
(3.3074 ±0.0003 in.)
84.257 ±0.007 mm
(3.3172 ±0.0003 in.)
0.005 mm
(0.0002 in.)
0.01 mm
(0.0004 in.)
0.15 mm
(0.006 in.)
8.0 L
4BY2
(8.5 qt)
11.0 L
6BY2
(11.5 qt)
ENGINE
5-7