VOLUME OF CYLINDER: 124.36 cm³
NUMBER OF EXHAUST PORTS/DUCTS: 3
CONNECTING ROD:
Connecting rod centreline 104 mm
Diameter of big end 26 mm
Diameter of small end 19 mm
Min. weight of the connecting rod 86 g
BORE: (Original: 53.95 mm - Maximum: 54.08 mm)
SHAPE OF THE COMBUSTION CHAMBER: Spheric with variable radius+SQUISH
PISTON: Number of piston rings 1 or 2 - Min. weight of the bare piston including piston rings 104 g
STROKE: 54.40 mm
CRANKSHAFT:
Number of bearings 2
Diameter of bearings 2
Minimum weight of crankshaft 1753 g
GUDGEON PIN: Minimum weight 26 g
NUMBER OF TRANSFER DUCTS, CYLINDER/SUMP: 5 / 3
BALANCE SHAFT
Minimum weight of balance shaft 332 g
Percentage of balancing 25 %