kxr maxxer 250 300 Werkstatthandbuch : Seite 108

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Seite 106

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Seite 107

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Seite 109

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Seite 110

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          8. CYLINDER/PISTON                                                     ATV 300/250


 PISTON RING INSTALLATION
 Install the piston rings onto the piston.
 Apply engine oil to each piston ring.
 · Be careful not to damage or break the
     piston and piston rings.
   · All rings should be installed with the
     markings facing up.
                                                                     Top
   · After installing the rings, they should
     rotate freely without sticking.                                 Second
                                                                     Side Rail
                                                                     Oil Ring
                                                                     Side Rail




 Measure the connecting rod small end I.D.
 Service Limit: 17.06 mm (0.6824 in)

 Measure the connecting rod to piston pin
 clearance.
 Service Limit: 0.06 mm (0.0024 in)




                                                                    Intake Side Guide

 Inspect the exhaust side and intake side
 chain guides.
 Wear/Damage  Replace.




                                               Exhaust Side Guide



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