Westerbeke 20B TWO Tehnical Manual

Piston (continued)
Oversize
Protrusion from cylinder block top surface
Piston Pin
Type
0.0.
Piston pin to piston clearance
Piston pin to connecting rod clearance
Piston Rings
Number of rings
Compression (2)
Oil (1)
Ring width
Compression (No.2)
Oil
Ring side clearance
Compression No. 1
No.2
Oil ring
Ring gap
Westerbeke Engines
Specified Value/Standard
0.01, 0.02, 0.03
(0.25, 0.50, 0.75
mm)
0.035
(0.9 mm)
Semi-floating type
0.709
(18 mm)
Press-fit
load: 2204.6 ±1102.3Ibs.
(1000
±500 kg)
RepairUmit
0.003 (Service limit)
(0.08
mm)
No.1: Chrome plated, semi-keystone type
No.2: Tapered
Chrome
plated ring with coil expander
18
0.079
(2mm)
0.118
(3mm)
0.002 - 0.004
(0.05
- 0.09 mm)
0.001 - 0.003
(0.03 - 0.07 mm)
0.006 - 0.016
(0.15
- 0.40 mm)
0.008
(0.2
mm)

Westerbeke 20B TWO Specifications

General

Brand	Westerbeke
Model	20B TWO
Category	Engine
Language	English