Lambretta 48 Mark 1

The Lambretta 48 Mark 1.

Technical Specification

Model	48 MK1
Amount Produced	38221
Production Dates	August 1955 – October 1958
Frame Prefix	48a
Engine Prefix	48a
Frame Starting Number	10001
Engine Starting Number	10001
Homologation
Engine	47.75cc, two stroke, 40x38mm
Power and Rate	1.7hp at 5000rpm
Compression Ratio	1:6.5
Head and Cylinder	Aluminium and cast iron
Engine Cooling	Air
Ignition	Magnetic Altenator
Spark Advance	28' – 30' 2.7 – 3 mm before top dead center
Point Setting	.35-.45 mm
Carburetor	dell'orto T5-11s later T4-12s
Choke
Slide	N/A
Needle	N/A
Atomiser	N/A
Main Jet	62
Pilot Jet	N/A
Starter	50
Float	3.5 grams
Starter	Pedal with decompression lever on handlebar
Crankcase oil	Mobil oil A 600 grams
Transmission Oil	N/A
Oil / Gas Mix	6%
Clutch	Disc in oil bath
Gears	2 speed with hand shifter single cable
1st
2nd
Primary Transmission	Gear
Secondary Transmission	Chain
Frame	Stamped sections of 1187mm metal
Front Suspension	Oscilating conecting rods
Rear Suspension	Oscilating swing arm
Wheels	Dismountable wheels with spokes
Tires	2x22 ceat or pirelli
Tire Presure	Front 1.50 ATM, rear 2.50 ATM
Brakes	Drum
Dry Weight	44kg
Km Per Gallon	1lt per 80km
Fuel Capacity	2,7 lt
Max Speed	55 kmh
Initial Price	76,000 Italian Lira
Electrical System	6 Volt
Sparkplug	Bosch 240, short thread
wheel Base
Maximum Length
Ground Clearance
Maximum Seat Hight
Minimum Turning Radius
Maximum Width
Maximum Hight
Colour	Lambro Grey 8034
	Earth Grey 8041
	Pompei Red 8045