Honda MBX50, Workshop Manual

Page: 63 / 194

�HONDA
� M!BXSO, MBXSO
PISTON RING INSPECTION
Set each piston ring squarely into the cylinder
from the bottom using the piston and measure the
end gap.
SERVICE UM!TS:
TOP: 0.35 mm (0.014 in)
SECOND: 0.35 mm (0.014 in)
Install the expander in the second groove of the
piston. Install the top and second rings (Page
6-9).
NOTE
Press each piston ring into place at several
points to make sure that it is flush with the
piston surface.
If not, clean carbon deposits from the ring
groove. They should be free engough to be
rotated in the ring lands.
CONNECTING ROD INSPECTION
Install the bearing and piston pin in the connecting
rod small end and check for excessive play.
Measure the connecting rod small end I.D.
SERVICE
LIMIT:
17.030
mm
(0.6705
in)
CYLINDER HEAD/CYLINDER/PISTON
(1) PISTON RING
(1) PISTON
(3) SECOND RING
(4) EXPANDER
(1) PLAY
(2) I.D.
6-8