Lambretta Li 125 Series 1

Lambretta Li 125 Series 1.

Technical Specification

Model	LI 125 Series 1
Amount Produced	47747
Production Dates	June 1958 – October 1959
Frame Prefix	125LI
Engine Prefix	125LI
Frame Starting Number	500001
Engine Starting Number	500001
Homologation	1009/58/O
Engine	123cc, two stroke, 52x58mm
Power and Rate	5.2hp at 5200rpm
Compression Ratio	1:7
Head and Cylinder	Aluminium and cast iron
Engine Cooling	Forced Air
Ignition	Filso,Ducati or Marelli magneto
Spark Advance	22' – 24' 32 - 33 mm on the circumference of the magneto.
Point Setting	.35-.45 mm
Carburetor	dell'orto MA 18 BS5
Choke	18mm
Slide	50
Needle	D16
Atomiser	260b
Main Jet	92
Pilot Jet	35
Starter	55
Float	6.5 grams
Starter	Pedal
Crankcase oil	Agip Energol SAE 90 600cc
Transmission Oil
Oil / Gas Mix	4%
Clutch	Multiple discs in oil bath
Gears	4 speed with hand shifter
1st	1: 17,37
2nd	1: 10,73
3rd	1: 7,47
4th	1: 5,65 – 79,5 kmh
Primary Transmission	Duplex chain
Secondary Transmission
Frame	Steel tubing of strong 1290mm sections
Front Suspension	Oscilating conecting rods
Rear Suspension	Torsion bar attached to motor with a single shock
Wheels	Dismountable wheels
Tires	3.50 x 10 pirelli or ceat
Tire Presure	Front .9 ATM, rear 1.25 ATM
Brakes	Drum
Dry Weight	105kg
Km Per Gallon	2.1lts per 100km
Fuel Capacity	8.5lt
Max Speed	75-77kmh
Initial Price	132,000 Italian Lira
Electrical System	6 volt
Sparkplug	Bosch 225 long thread
wheel Base	1300mm
Maximum Length	1830mm
Ground Clearance	145mm
Maximum Seat Hight	777mm
Minimum Turning Radius	1500mm
Maximum Width	720mm
Colour	Dawn Grey 8019
	Dark Steel Grey 8040 (Side panels only on version 3)