Workshop Manual

ENGINE ASSEMBLY II 4–13

Cylinder Bore Measurement

Cylinder Liner Grade Selection

The term "grade" refers to the cylinder body inside diam-

eter and the cylinder liner outside diameter combination.

Measure the cylinder body inside diameter and select

the appropriate cylinder liner grade.

Loose fitting cylinder liners (the liner is too small for the

cylinder bore) will adversely affect engine cooling effi-

ciency and may lead to serious engine damage.

Cylinder liners which are too large for the cylinder bore

will be difficult to install.

Cylinder Body Inside Diameter Measurement

1. Take measurements at measuring point 1 across

the positions W–W, X–X, Y–Y, and Z–Z.

Measuring Point 1 : 115 mm (4.531 in)

2. Calculate the average value of the four measure-

ments to determine the correct cylinder liner grade.