Vauxhall Workshop Service and Repair Manuals > Nova > J Engine and Engine Aggregates | OHC Petrol Engine | Cylinder Block | Piston | Specifications | Techn. Data - OHC ENGINE - Crank Drive

Cylinder Grinding and Piston Dimensions - 12 NV (Piston Æ 77.6)

The piston diametershould be measured at "D"

Object Number: 2374929 Size: DEFAULT

Cylinder Piston

Size Cylinder bore Coefficient for Respective piston Coefficient on

Æ in mm Cylinder bore Æ in mm Piston head

from to on crankcase from to

Production 1 � 77.555 * 77.565 6 � 77.535 * 77.545 6

77.565 77.575 7 77.545 77.555 7

77.575 77.585 8 77.555 77.565 8

2 77.585 77.595 99 77.565 77.575 99

77.595 77.605 00 77.575 77.585 00

77.605 77.615 01 77.585 77.595 01

77.615 77.625 02 77.595 77.608 02

4 77.665 77.675 07 77.642 77.658 07

Service Over- � 78.065 78.075 7 + 0.5 78.042 78.058 7 + 0.5

size

0.5 mm

� inclusive

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