Honda NU50 - Piston Removal; Piston Ring;Expander Removal; Cylinder;Piston Inspection

CYLINDER HEAD/CYLINDER/PISTON
PISTON REMOVAL
Remove lhe piston pin clip using a pair of pliers.
Press the piston pin out of the pislOn.
CAUTION:
Do 1101 damage or uralch tilt! piston.
Do
nat apply side force ID the collnectillg
md.
1)t) nor lei the fall illfo th~ aallkCl1se.
~HONDA
~ NU50· NU50M
PISTON
PISTON PIN PISTON PIN CLIP
PISTON RING/EXPANDER REMOVAL
Remove the piston rings.
NOTE
Spread each piston ring and remove by lifting
it up at a point just opposite the gap.
Remove the expander.
CYLINDER/PISTON INSPECTION
Check Ii'll' cylinder and piston for wear or damage.
Clean carbon deposits from
the exhaust port area.
6-4
TOP RING
SECOND RIN~.
~ EXPANDER ~
./ ~ ~ ~\r;;~
/ "'-J-~~ \ ~~
\.-11 ,
~JI '0
\
1
< :,7 J ~
~/' U
Dale of Issue: Nov., 1981
© HONDA MOTOR CO .. L TO