Used Piston Measurement - Sea-doo GTX DI 5563 2002 Shop Manual

Section 04 ENGINE (DI)
Subsection 05 (TOP END)

USED PISTON MEASUREMENT

Note the measurement on the piston dome.
1. Piston dome
2. Piston measurement
Using a micrometer, measure piston skirt perpen-
dicularly (90°) to piston pin according to the follow-
ing table.
ENGINE TYPE
947 DI
A
F01D0NA
1. Measuring perpendicularly (90°) to piston pin axis
A. See previous table
ENGINE TYPE
All
04-05-8
MAXIMUM A
mm (in)
24 (.945)
1
MAXIMUM PISTON
SKIRT WEAR
mm (in)
0.12 (.005)
The measured dimension must not be less than
0.12 mm (.005 in) of the one scribed on piston
dome. Otherwise, install a new piston.
Piston/Cylinder Wall Clearance
Used and New Pistons
IMPORTANT: Make sure used piston is not worn
more than specified. See USED PISTON MEA-
SUREMENT above.
To determine the piston dimension, take the mea-
surement on the piston dome.
1. Piston dome
2. Piston measurement
Adjust and lock a micrometer to the specified val-
ue on the piston dome.
1. Micrometer set to the piston dimension
With the micrometer set to the piston dimension,
adjust a cylinder bore gauge to the micrometer di-
mension and set the indicator to zero.
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