Lambretta 150 Special X Series 3

  • 150 Special X

Lambretta 150 Special X Series 3.

Technical Specification

Model 150 Special X Series 3
Amount Produced 31238
Production Dates October 1966 – January 1969
Frame Prefix SX150 (Type 19)
Engine Prefix SX150
Frame Starting Number 750001
Engine Starting Number 750001
Homologation 4770 OM
Engine 148cc, two stroke, 57x58mm
Power and Rate 9.38hp at 5600rpm
Compression Ratio 1:7
Head and Cylinder Aluminium and cast iron
Engine Cooling Forced Air
Ignition Ducati magneto
Spark Advance
Point Setting .35-.45 mm
Carburetor dell'orto SH 1/20
Choke 20mm
Slide 5914/2
Needle N/A
Atomiser 5899/2
Main Jet 102
Pilot Jet 45
Starter 50
Float 5 grams
Starter Pedal
Crankcase oil Agip Rotra SAE 90 600cc
Transmission Oil
Oil / Gas Mix 2%
Clutch Multiple discs in oil bath
Gears 4 speed with hand shifter
1st 10/50 1: 5,00
2nd 12/42 1: 3,50
3rd 15/39 1: 2,60
4th 19/35 1: 1,84 – 97,7 kmh
Primary Transmission Duplex chain
Secondary Transmission
Frame Steel tubing of strong 1290mm sections
Front Suspension Oscilating conecting rods with hydraulic shocks
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 120kg
Km Per Gallon 2.55lts per 100km
Fuel Capacity 8.3lt
Max Speed 97.7kmh
Initial Price 168,000 Italian Lira
Electrical System 6 volt
Sparkplug Bosch 225 long thread
wheel Base 1290mm
Maximum Length 1800mm
Ground Clearance
Maximum Seat Hight
Minimum Turning Radius
Maximum Width 700mm
Maximum Hight 1030mm
Colour Apple Green 8039
New White 8059 (Internal parts)
Spring Grey 8070
White Thorn 8082 (Late Models)