8. CYLINDER/PISTON
8-7
Mongoose/KXR 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: 17.06mm replace if over
Measure the connecting rod to piston pin
clearance.
Service Limit: 0.06mm replace if over
Inspect the exhaust side and intake side
chain guides.
Wear/Damage → Replace.
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.
＊
Intake Side Guide
Exhaust Side Guide
To Next Page
Loading...
