zx scout 50 Workshop-manual : Page 64

          6. CYLINDER HEAD/CYLINDER/PISTON                                     ZX / SCOUT 50


 PISTON RING INSPECTION
 Measure each piston ring end gap.
 Service Limits: Top/Second

 0.40mm replace if over
 Set each piston ring squarely into the
   cylinder using the piston and measure
   the end gap.




 CONNECTING ROD SMALL END
 INSPECTION
 Install the piston pin and bearing in the
 connecting rod small end and check for
 excessive play.
 Measure the connecting road small end I.D.
 Service Limit:

 17.03mm replace if over


                                                            




 PISTON/CYLINDER INSTALLATION                               piston
 First install the expander in the second ring                        Top ring
 groove.
 Then install the top and second rings in
 their respective ring grooves.
 The piston rings should be pressed into the
 grooves with even force.
 After installation, check and make sure that
 each ring is flush with the piston at several                       Sencond ring
 points around the ring.                         expander
 A ring that will not compress means that
 the ring groove has carbon deposits in it
 and should be cleaned.




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