7. CYLINDER/PISTON SYM
7-4
Cover the holes of crankcase and cam chain
with a piece of cleaning cloth.
Clean up all residues or foreign materials
from the two matching surfaces of cylinder
and crankcase.
Caution
INSPECTION
Check if the inner diameter of cylinder is
worn out or damaged.
In the 3 positions (top, center and bottom)
of cylinder, measure the X and Y direction
values respective in the cylinder.
Service limit: 58.00mm
Calculate both the real roundness (the
difference between X and Y motion values)
and the cylindrical roundness (the
difference in the top, center or bottom
positions of X or Y motion values.). Then,
determinate by the max. value.
Service limit
Real roundness: correct or replace as
over 0.05 mm
Cylindrical roundness: correct or replace
as over 0.05 mm
Check Cylinder flat.
Service limit: correct or replace as over
0.05 mm
To soap the residues into solvent so that
the residues can be removed more easily.
Top
Center
Bottom
Exhaust side
Intake side
Summary of Contents for ALA125CC
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