The displacement of this model, derived from checca 98 GTES, had been increased to 123cc. Production started in October 1962. It was essentially the same bike as the Checca 98, but wiyh the increase in power, the race results on mixed tracks were stellar. Because the bike was succesfully mixed high quality with a lower price ( 185.000 Lire) sales were impressive; 1.500 units were built.
Engine: Technical Specification (1962)
Cylinders / Cycle: single / 2-stroke
Displacement: 123,08 cc
Bore x stroke: 56 x 50 mm
Compression ratio: 6,5:1
Power / rpm: 5,5 HP / 4,800
Torque / rpm: NA
Cooling: air
Distribution: flat piston (first 50 with deflector)
Carburettor: 16 mm carburettor
Ignition: flywheel magneto
Lubrication: 5% mixture
Starting: kickstart
Primary drive: gear
Clutch: wet multiple plate clutch
Gearbox: 4 speeds
Final drive: chain
Chassis:
Frame: steel monocoque frame
Front suspension: trailing link
Rear suspension: swingarm integrated with engine
Front brake: 150 mm drum
Rear brake: 118 mm drum
Front tire: 2.50 x17”
Rear tire: 2.50 x17”
Wheels: spokes
Tank: 8 litres
Length: 1870 mm
Width: 690 mm
Wheelbase: 1230 mm
Weight: 95 Kg
Perfromance: 75 kph