KYMCO MXU 250 - Piston Ring Installation

8. CYLINDER/PISTON
8-8
MXU 300/250
PISTON RING INSTALLATION
Install the piston rings onto the piston.
Apply engine oil to each piston ring.
Measure the connecting rod small end I.D.
Service Limit (replace if over):
17.06 mm (0.6824 in)
Measure the connecting rod to piston pin
clearance.
Service Limit (replace if over):
0.06 mm (0.0024 in)
Second
Side Rail
Top
Side Rail
Oil Ring
• Be careful not to damage or break the
piston and piston rings.
• All rings should be installed with the
markings facing up.
• After installing the rings, they should
rotate freely without sticking.
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