Inspecting The Small End; Inspecting The Piston - APRILIA Atlantic 300 Service Station Manual

Engine
Removing the cylinder - piston assy.
Cylinder and piston removal
- Remove the chain guide pad.
- Remove the 4 sealing O-rings on the stud bolts
- Slide off the cylinder.
- Remove the gasket on the cylinder base.
- Remove the 2 seeger rings, the pin and the pis-
ton.
- Remove the piston sealing rings.
CAUTION
TO AVOID DAMAGING THE PISTON, KEEP IT FIRM WHILE
REMOVING THE CYLINDER.
NOTE
BE CAREFUL NOT TO DAMAGE THE SEALING RINGS
DURING REMOVAL.

Inspecting the small end

NOTE
TO MEASURE WEAR LIMITS AND COUPLING CLEARANCES, SEE THE SPECIFICATIONS CHAP-
TER.
See also
Crankcase - crankshaft - connecting rod
Inspecting the wrist pin
NOTE
TO MEASURE WEAR LIMITS AND COUPLING CLEARANCES, SEE THE SPECIFICATIONS CHAP-
TER.
See also
Cylinder - piston assy.
Cylinder - piston assy.

Inspecting the piston

NOTE
TO MEASURE WEAR LIMITS AND COUPLING CLEARANCES, SEE THE SPECIFICATIONS CHAP-
TER.
See also
ENG - 128
ATLANTIC 300 i.e.