43
125
-
160 cc
C
WORKSHOP MANUAL
CYLINDER HEAD, VALVES, CYLINDER, PISTON
When the valve contact area is located in the upper or lower area of the
valve head, correct the position by means of a valve grinding tool.
A
Low contact area
B
High contact area
Measure depth of the valve seating area.
Standard: 0,91-1,10 mm
Service limit: 1,80 mm
If contact area is irregular, to wide or too narrow, correct with a valve
lapping tool.
C
High contact area
A
C
07028139
07028140
B
