Disassemble The Cylinder - PGO Tigra AF-125BAE Service Manual

Disassemble the cylinder

Remove the cylinder head for the steps as follows:
A. Sequentially take out parts such as chain guide,
cylinder, cylinder gasket, and dowel pins.
B. Use the long nose pliers to take out parts such as
C-ring, piston pin, and piston.
C. Notice notches during installation of the piston ring.
1. Notches of the first & third rings must avoid the spark
plug and the shock surface. Direction: Upper left
cylinder column.
2. Notches of the second & fourth rings must avoid the
shock surface; an included angle is developed
between the first & third rings and the second &
fourth rings. Direction: Upper right cylinder column.
Shock surface: Piston exhaust
Cylinder Assembly
Cylinder gasket
Cylinder
Chain guide
鏈條導件
Check the angle to install an oil scraper ring of the piston ring and
keep an angle of 120 degrees without the oil scraper ring aligned with
the piston pin prior to assembly of a cylinder.
"IN" up
Notch of 2nd &
4th rings
54
Dowel pin
Piston Piston pin
"IN" for air inlet
Notch of 1st & 3rd
rings
Shock surface
7
C-ring