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ENGINE AND PERIPHERALS
Specifications
10
10-25
The paint mark that indicates diameter class is also
present on the piston.
1 Height between the gudgeon pin and the top of the
piston (see table below).
2 Modification index, for supplier's use only.
3 For supplier's use only.
4 Dater, for supplier's use only.
5 Diameter class mark, paint mark (see following
table).
Table of piston diameter classes
Table of gudgeon pin heights
Measuring the piston diameter
The diameter of the piston (86 mm diameter) should
be measured at position:
16577R
Piston mark Piston diameter (in mm):
Blue 85.875 to 85.890
Red 85.890 to 85.905
Classes and marks on
piston
Shaft height
(in mm)
H 50.890 to 50.930
K 50.931 to 50.970
M 50.971 to 51.010
P 51.011 to 51.050
R 51.051 to 51.090
Engine type
Piston measuring
point (A) (in mm)
J8S 852
normally aspirated
24.35
J8S Turbo 24
86928-4R1