Sym Orbit 125 Service Manual page 79

SYM
CYLINDER REMOVAL
Remove cylinder head. (refer to chapter 6)
Remove 2 bolts and then take out the cam
chain auto-adjuster.
Remove cam chain plate.
Remove cylinder.
Remove cylinder gasket and lock pins
Clean the residues attached onto the
matching surfaces of cylinder and
crankcase.
7. CYLINDER/PISTON
Cylinder
Cam chain
guide
2 bolts
Cam chain
auto-adjuster
7-3