Section 03 ENGINES
Subsection 07 (ENGINE MEASUREMENT)
ENGINE MEASUREMENT
SERVICE TOOLS
Description Part Number Page
degree wheel .......................................................................
529 035 607 .........................................134
TDC gauge ...........................................................................
414 104 700
.................................130, 134
NOTE: This subsection explains the procedures to
correctly measure engine components. For the
engine technical specifications, refer to INSPEC-
TION in the appropriate engine subsection.
CYLINDER HEAD WARPAGE
Check gasketed surface of the cylinder head with
a straightedge and a feeler gauge. Make sure part
is within the given specification. If cylinder head is
out of specification, replace it. Verify combustion
chamber volume to use the correct cylinder base
gasket with the new part.
CYLINDER TAPER
Compare cylinder diameter 16 mm (5/8 in) from
top of cylinder to just below its intake port area.
If the difference exceeds the specified dimension
the cylinder should be rebored and honed or
should be replaced. Nikasil cylinder can be honed
using diamond hone but can not be rebored.
NOTE: Be sure to restore the chamfer around all
cylinder sleeve port openings.
A
A33C1BA
1
1. Below the intake port
A. 16 mm (5/8 in) from top
CYLINDER OUT OF ROUND
Measuring 16 mm (5/8 in) from top of cylinder with
a cylinder gauge, check if the cylinder out of round
is more than the specified dimension. If larger,
cylinder should be rebored and honed or should
be replaced. Nikasil cylinder can be honed using
diamond hone but cannot be rebored.
NOTE: Be sure to restore the chamfer around all
cylinder sleeve port openings.
mmr2005-103 129
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