Model A 125

The Lambretta model A was originally denoted modello M 125.

Technical Specification

Model	A 125
Amount Produced	9669
Production Dates	October 1947 – October 1948
Frame Prefix	Tipo 2
Engine Prefix	Tipo 2
Frame Starting Number	05001
Engine Starting Number	05001
Homologation	183
Engine	123cc, two stroke, 52x58mm
Power and Rate	4.3hp at 4400rpm
Compression Ratio	1:6
Head and Cylinder	Aluminium and cast iron
Engine Cooling	Air
Ignition	Filso or Marelli magneto
Spark Advance	26' 33mm on the circumference of the flywheel
Point Setting	.40-.50 mm
Carburetor	dell'orto MA16
Choke	16mm
Slide	55
Needle	C9
Atomiser	260
Main Jet	65
Pilot Jet	45
Starter	N/A
Float	7.5 grams
Starter	Pedal
Crankcase oil	Mobil Oil A 180 grams
Transmission Oil	Mobil Oil A 200 grams
Oil / Gas Mix	5% with Mobil Oil A
Clutch	Multiple discs in oil bath
Gears	3 speed with foot shifter
1st	1: 12,3 – 23.2kmh
2nd	1: 6,12 – 46.5kmh
3rd	1: 4,17 – 68kmh
Primary Transmission	Gear
Secondary Transmission	Shaft
Frame	1220mm stamped metal
Front Suspension	movable paraellogram with rubber coupling
Rear Suspension	absent
Wheels	Dismountable wheels
Tires	3.50 x 7 pirelli
Tire Presure	Front .8-1 ATM, rear 1.8-2 ATM
Brakes	Drum
Dry Weight	72kg
Km Per Gallon	2.45lt per 100km
Fuel Capacity	6lt plus .8lt reserve
Max Speed	68kmh
Initial Price	135,000 Italian Lira
Electrical System	6 volt
Sparkplug	Bosch 225 short thread
wheel Base	1220mm
Maximum Length	1620mm
Ground Clearance	90mm
Maximum Seat Hight	665mm
Minimum Turning Radius	1500mm
Colour	Light Blue 8017
	Dark Red 8020
	Dark olive Green 8022
Engine Colour	Fiat 690