mxu 50 Manuel atelier : Page 116

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          7. CYLINDER HEAD/CYLINDER/PISTON                     ATV 50


 CYLINDER/PISTON INSPECTION
 Check the cylinder and piston for wear or
 damage.
 Clean carbon deposits from the exhaust port
 area.

   Be careful not to damage the cylinder
   inside wall.




 Measure the cylinder bore at three levels of
 A, B and C in both X and Y directions.
 Avoid the port area. Take the maximum
 figure measured to determine the cylinder
 bore.
 Service Limit:
           39.05 mm (1.56 in) replace if over    Top
                                                 Middle
                                                 Bottom




 Inspect the top of the cylinder for warpage.
 Service Limit:
             0.1 mm (0.004 in) replace if over




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