5 - 38
PISTON CHECK
The following procedure applies to both pistons.
Check:
•
The sides of the piston (B) Fig. D.
If there are any vertical lines, replace the piston all together with
the relevant clips.
Measure:
•
The diameter of the piston skirt (B) with a micrometer,
considering a distance from the bottom edge of around 10.5
mm Fig. E.
CLASS
Piston skirt
A
Ø69(-0.025/ -0.03)
B
Ø69(-0.02/ -0.025)
If outside specifi cations, replace the cylinder and the relevant
clips all together.
IMPORTANT NOTICE
The piston is marked by a letter stating its class. The
cylinder-piston coupling must be made between the same
classes.
D
E
B
PISTONS
COPY - Moto GB - Grant Martland - [email protected]
Содержание TRK 502
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