Beta RR250 - 3.12.2 Cylinder Check

3
93
X
A
ENGINE CHECKS AND ASSEMBLY
3.12.2 CYLINDER CHECK
Check the cylinder is without signs of seizure.
Otherwise replace it.
Measure the bore at a distance A from the top
face of the cylinder (surface between cylinder
and head). Take the correct measurement by fol-
lowing direction X.
Displacement [cm³] Measurement A [mm]
250 31.3
300 31.5
Bore measurement is required to know the cou-
pling play between cylinder and piston.
Cylinder class punching.
The cylinder's specific class is punched inside the
expansion chamber.