Lambro 550 ML (175cc)
Lambro 550 ML (175cc).
Technical Specification
Model | Lambro 550ML (Pickup) |
Production Started | April 1970 |
Production Ended | July 1971 |
Frame Prefix | 43/9 |
Engine Prefix | M42/2 |
Starting Frame N° | 800001 |
Starting Engine N° | Unknown |
Amount Produced | 1,654 |
Engine | 175cc, two stroke, 62x58mm, Outside cab |
Power & Rate | 9.25HP at 4,800RPM |
Compression Ratio | 1:7.25 |
Head & Cylinder | Aluminium & Cast Iron |
Engine Cooling | Forced Air |
Crankcase Oil | SAE 90 1600grams |
Starter | Electric |
Clutch | Multiple discs in oil bath |
Gears | 4 speed hand shifter and reverse |
Gear Ratios | 1st 1:41.5 |
2nd 1:23.3 | |
3rd 1:14.7 | |
4th 1:8.9 | |
Reverse 1:48.3 | |
Ignition | Magneto |
Spark Advance | 18°-20° 2.34-1.94mm before TDC (top dead centre) mark on the flywheel |
Point Settings | .35-.45mm |
Sparkplug | Bosch 225, long thread |
Primary | Gear |
Secondary | Shaft and differential |
Transmission Oil | SAE 140 320grams |
Carburetor | dell'orto SH2/22 |
Carburation | Main 92, Pilot 48, valve 1 |
Fuel Mix | 4.00% |
Fuel Consumption | 1.07lt per 33.3km |
Fuel Capacity | 10lts |
Range | 200km |
Maximum Speed | 62km/h |
Brake Type | Front & Rear: Hydraulically controlled drum |
Combined braking from foot operated pedal | |
Tire | 4.50 x 10 T 46PR |
Tire Pressure | Front: 2.50ATM |
Rear: 3.75ATM | |
Front | Oscillating connecting rods with hydraulic shock absorber |
Rear | Rigid cross beam with longitudinal leaf springs |
Dry Weight | 376kg open trunk |
Longitudinal Dimension | 3,480mm |
Transversal Dimension | 1,510mm |
Vertical Dimension Box | 1,635mm |
Max Hight | 1,670mm |
Ground Clearance | 140mm |
Wheel Base | 2,270mm |
Track Width | 1,316mm |
Minimum Turning Radius | 3,500mm |
Load Capacity | 550kg |
System | 12Volt with 25amp |
Frame | Steel tubing with 2,050mm resistence, Stamped metal floor pan |
Cab | Square cab with twin square headlight & pressed back with window |
Floor mats as standard. | |
Doors | As standard |
Optional Extras | |
Trunk Type | 1,700mm x 1,400mm open trunk with 3 hinged panels |
Colours | Grey, Blue, Green |
Steering | Handlebar |
Accelerator | Actuated by twisting of the right handle bar grip |
Brakes | Foot pedal operates both front and rear combined |
Clutch | Left lever on handlebar |
Gears | Actuated by twisting of the left handlebar grip with clutch engaged |
Reverse by actuating lever on the centre column whilst not in motion with | |
clutch engaged and first gear selected |
Copyright © 2018-2025 - All Rights Reserved - British lambretta Archive
Design by John Walklate