ENGINE OVERHAUL
CR 65 2012
WARNING:
When replacing piston and cylinder make sure they have the same marking.
The marking is on the piston crown and on the cylinder base.
The table below indicates the tolerance limits for the relevant components.
Always consider there must be an installation clearance of 0.065 mm!
MARKING
A
44.955 – 44.960 mm
B
44.961 – 44.965 mm
C
44.966 – 44.970 mm
D
44.971 – 44.975 mm
E
44.976 – 44.980 mm
Reed valve, intake flange
WARNING: Over time the reeds loose tension with a consequent power loss.
Damaged or worn out reeds shall be replaced.
If the reed valve surfaces are damaged, replace the whole reed valve.
Intake flange
Make sure there are no cracks or other damages.
G.9
PISTON MEAS.
CYLINDER MEAS.
45.025 – 45.030 mm
45.031 – 45.035 mm
45.036 – 45.040 mm
45.041 – 45.045 mm
45.046 – 45.050 mm
Workshop Manual Ed. 09-2011