Westerbeke 20B TWO Tehnical Manual

Valves
Valve clearance (IN & EX)
Valve head dia. (IN)
(EX)
Overall length
StemO.D.
Stem to guide clearance (IN)
(EX)
Valve face angle
Valve head thickness (margin width)
Valve head sinkage
(From cylinder head to bottom face)
Valve Spring
Free length
Preload/installed length
Squareness
Westerbeke Engines
Specified Value/Standard
16
0.010 (cold)
(0.25 mm)
1.051
(26.7 mm)
0.972
(24.7 mm)
3.701
(94 mm)
0.260
(6.6 mm)
0.039
(1.0 mm)
0.020
0.5mm
1.595
(40.5 mm)
13.095 Ibs/1.398 in
(5.94 kg/35.5 mm)
32.716 Ibs/1.1 02 in
(14.84 kg/28 mm)
Repair Limit
1.051 (Service limit)
(26.7 mm)
0.972 (Service limit)
(24.7 mm)
1.547
(39.3 mm)

Westerbeke 20B TWO Specifications

General

Brand	Westerbeke
Model	20B TWO
Category	Engine
Language	English