DERBI GP1

Battery: 12V. 4Ah.
Bore x stroke: 40 x 39,3 mm.
Brakes front/rear: Disk ø 190 mm.
Carburetor: Dell'Orto 17,5 mm diameter
Clutch: Automatic centrifugal metal-to-metal
Cooling: Liquid
Compression ratio: 11,3-12,8: 1
Cylinder Capacity: 49,38 cc.
Distance between axles:
Engine: Two stroke single cylinder
Front suspension: Conventional telehydraulic fork
Fuel: Super with lead and lead free
Fuel tank: 7,2 l.
Ignition: Electronic Flywheel
Lubing system: Automatic oil mix by MIKUNI pump
Maximum power: 3,9 CV to 7500 r.p.m.
Oil tank: 1,2 l.; Overall length: 1.760 mm.
Rear suspension: Swinging engine and hydraulic shock absorbers; Start: Electric/ kick starter
Tires: Front: 120 x 70 x 13" Rear: 130 x 60 x 13"
Total height: 1.160 mm.; Total width: 725 mm.
Transmission: By vee-belt with automatic speed selector