Models

Lambro 550 Roma

  • Lambro 550 Roma

Lambro 550 Roma.

Technical Specification

Model Lambro 550 Roma
Production Started January 1970
Production Ended September 1970
Frame Prefix M42/9
Engine Prefix M42/2
Starting Frame N° Unknown
Starting Engine N° Unknown
Amount Produced 0,240
Engine 200cc, two stroke, 66x58mm, Inside cab
Power & Rate 9.2HP at 4,800RPM
Compression Ratio 1:7.3
Head & Cylinder Aluminium & Cast Iron
Engine Cooling Forced Air
Crankcase Oil HD SAE 50 1600grams
Starter Kickstart or Electric
Clutch Multiple discs in oil bath
Gears 4 speed hand shifter and reverse
Gear Ratios 1st 1:36.2
2nd 1:18.7
3rd 1:11.8
4th 1:8.0
Reverse 1:38.8
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 90 320grams
Carburetor dell'orto SH1/20
Carburation Main 90, Pilot 50, valve 1
Fuel Mix 4.00%
Fuel Consumption 1.55lt per 33.3km
Fuel Capacity 11.5lts
Range 220km
Maximum Speed 58.3-62km/h
Brake Type Front: Mechanically controlled drum
Rear: Hydraulically controlled drum
Tire 4.00 x 10 T 6PR
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 375kg open trunk, 385kg closed compartment
Longitudinal Dimension 3,100mm open trunk, 2,915mm closed compartment
Transversal Dimension 1,510mm open trunk, 1,380mm closed compartment
Vertical Dimension Box 900mm open trunk, 1,685mm closed compartment
Max Hight 1,670mm
Ground Clearance 145mm
Wheel Base 1,970mm
Track Width 1,216mm
Minimum Turning Radius 2,825mm
Load Capacity 540-550kg
System Alternator magneto 12 Volt with 220 watt Nom, 12 Volt with 18amp battery for electric starter
Frame Steel tubing with 1,970mm resistence, Stamped metal floor pan
Cab Round cab with twin round headlight & pressed back with window
Floor mats as standard.
Doors Optional conventional doors
Trunk Type Aluminum compartment
Aluminium pressed pickup trunk with 3 hinged panels
Also available as chassis only
Colours
Optional Extras Dynastarter with 25amp battery
Steering Handlebar
Accelerator Actuated by twisting of the right handle bar grip
Brakes Front: Foot pedal
Rear: Right lever on handlebar
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