Lambretta Cento

Lambretta Cento.

Technical Specification

Model	i100 Cento
Amount Produced	17642
Production Dates	March 1964 – November 1965
Frame Prefix	100LB
Engine Prefix	100LB
Frame Starting Number	800001
Engine Starting Number	800001
Homologation	3484 OM
Engine	98cc, two stroke, 51x48mm
Power and Rate	4.7hp at 5300rpm
Compression Ratio	1:7.5
Head and Cylinder	Aluminium and cast iron
Engine Cooling	Forced Air
Ignition	Ducati magneto
Spark Advance	23' – 25' 2.4 – 2.8 mm before top dead center
Point Setting	.35-.45 mm
Carburetor	dell'orto SHB 18/16
Choke	16mm
Slide	6492/1
Needle	N/A
Atomiser	N/A
Main Jet	70
Pilot Jet	40
Starter	50
Float	3.5 Grams
Starter	Pedal
Crankcase oil	Agip Rotra SAE 90 360cc
Transmission Oil
Oil / Gas Mix	2%
Clutch	Multiple discs in oil bath
Gears	3 speed with hand shifter
1st	10/48 1: 4,80
2nd	15/41 1: 2,87
3rd	17/39 1: 1,86 – 60,3 kmh
Secondary Transmission	Simplex chain
Secondary Transmission
Frame	Monocoque frame of 1190mm
Front Suspension	Oscilating conecting rods
Rear Suspension	Torsion bar attached to motor with a single shock
Wheels	Dismountable wheels
Tires	3.00 x 10 pirelli or ceat
Tire Presure	Front 1.3 ATM, rear 2 ATM
Brakes	Drum
Dry Weight	9kg
Km Per Gallon	1.87lts per 100km
Fuel Capacity	6.2lt
Max Speed	76kmh
Initial Price	119,500 Italian Lira
Electrical System	6 volt
Sparkplug	Bosch 240 long thread
wheel Base	1190mm
Maximum Length	1690mm
Ground Clearance
Maximum Seat Hight
Minimum Turning Radius
Maximum Width	630mm
Maximum Hight	1030mm
Colour	Light Ivory 8054