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PISTONS
The following procedure is applied to all elastic clips (1).
Check:
• the absence of lines and traces of forcing on each clip Fig.
A.
If outside specifi cation, replace the relevant clips and pistons.
NOTE:_________________________________
Before measuring side clearance between the piston clips,
remove any carbon deposits from the piston clips and
grooves.
Measure:
• the side clearance between piston clips, using a thickness
gauge Fig. B.
If outside specifi cations, replace the piston and the relevant clips
all together.
Clip Piston clip side clearance.
Top clips 0.04-0.08 mm
Clips 0.05-0.09 mm
Measure:
• The thickness of the top clip.
• The thickness of the second clip.
See Fig. C.
Clip Piston clip thickness
Top clips 0.8 -0.01/-0.03 mm
Clips 0.8 -0.02/-0.04 mm
A
B
C
PISTON RINGS CHECK
1
COPY - Moto GB - Grant Martland - grantmartland@motogb.co.uk
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