Westerbeke 9.0 BCG Technical Manual page 107

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BCG 4.0KW Engine (continued)
Oil Clearance between Camshaft Journals
and Cylinder Head Journals
Specified Limit
Front: 0.0012 - 0.0030 inches
(0.030 - 0.075 mm)
Rear: 0.0019 - 0.0039 inches
(0.050 - 0.100 mm)
Allowable Limit
Front: 0.0047 inches (0.12 mm)
Rear: 0.0059 inches (0.15 mm)
BCG 6.5KW and BTG 9.0KW Engines only
Camshaft Diameter (Specified Limit)
Front: 1.2583 - 1.2591 inches
(31.96 - 31.98 mm)
Center: 1.8655 - 1.8665 inches
(47.385 - 47.410 mm)
Rear: 1.9061 - 1.9071 inches
(48.415 - 48.440 mm)
Cylinder Head Bearing Diameter (Specified Limit)
Front: 1.2606 - 1.2616 inches
(32.020 - 32045 mm)
Center: 1.8701 - 1.711 inches
(47.500 - 47.525 mm)
Rear: 1.9094 - 1.9104 inches
(48.500 - 48.525 mm)
Oil Clearance between Camshaft Journals and Cylinder Head Journals
Specified Limit:
Front: 0.0016 - 0.0035 inches (0.04 - 0.09 mm)
Center: 0.0035 - 0.0055 inches (0.09 - 0.14 mm)
Rear: 0.0024 - 0.0043 inches (0.06 - 0.11 mm)
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Allowable Limit
0.0055 inches (0.14 mm)
0.0075 inches (0.19 mm)
0.0063 inches (0.16 mm)
Westerbeke Generators