The Model M also known as Model A was the first Lambretta to leave the production line at the innocenti factory.
Date of production Oct 1947~Oct 1949
Scooters produced 9.669
Capacity 125 cc
Bore x stroke 52×58 mm
Carburettor Dellorto MA 16
Gear 3 speeds Hand Controlled
Power 4.1 cv a 4.500 rev/min
Speed max 65-70 Km/h)
Tyre Size 3,50×7
Brakes Alluminium finned drum brakes
Tank capacity 6L, reserve 0,8L
Consumption 39 Km/L
Weight 55 Kg
Overall length 1620 mm
Overall eight 880mm
Overall width 650mm handlebar
Price 156.000 Lire
up to approx. frame number 6.900 Mechanical horn with pedal control on the left of the frame, square-shaped front saddle in real leather, rear glovebox with key and ignition off switch. chromed wheel rims, stand with metal blade spring, straight gear pedal, brown light switch.
up to approx. frame number 11.000 Electronic horn, triangular-shape front saddle in light beige imitation leather, glovebox closure without key, wheels painted aluminium silver, stand with coil return spring, inclined gear pedal, beige light switches. Last examples of version II ( from approx. 7.500): brake pedal on left side of the platform.
up to approx. frame number 14.700 Larger front saddle with central spring and brown imitation leather (125 B-type), saddle support in light alloy, stand in cast iron..
Frame numbers by year
1947: 005,001 – 005,153
1948: 005,154 – 014,670
Crankcase and flywheel cover Aluminium silver paint
Carburettor Body and filter bare aluminium, details and screws in chromeplated Zama
Control cable sheats Sterling silver grey
Rubber parts Green bodywork: green rubber
red bodywork: beige rubber
blue bodywork: grey rubber
beige bodywork:beige rubber
Saddles Version I: brown leather with branded “Innocenti” rear.
Version II: beige imitation leather with “Continentale produzione selle Aquila” rear script.
Version III: dark brown imitation leather with “continentale produzone selle Aquila” rear script.
Exhaust Chromed manifold, matte nickel-plated silencer
Colour scheme version I
Body colour parts Wheel hubs, front brake shoe backing plate, fork, steering head castung, front suspension arms (2 pieces), headset, frame,floorboards, fuel tank, glovebox and cover, front saddle tilting plate and subframe fuel tank support strap, headlamp and tail-light, rear license plate holder bracket, rear saddle frame support, passenger running boards, stand, horn grgrille, rear mudgard (2 pieces).
Black finish Pressed steel front and rear saddle frames.
Colour scheme version II
Body colour parts Wheel hubs, front brake shoe backing plate, fork, steering head castung, front suspension arms (2 pieces), headset, frame, floorboards, fuel tank, glovebox and cover, front saddle tilting plate and subframe fuel tank support strap, headlamp and tail-light, rear license plate holder bracket (to around frame No. 8400), rear saddle frame support, passenger running boards, stand, horn grille, rear mudgard (2 pieces).
Fiat 690 aluminium paint Front and rear saddle frames with horizontal springs, wheel rims.
Colour scheme version III
Body colour parts Fork, steering head casting, frame, floorboards, fuel tank, glovebak and cover, headlamp and tail-light, passenger running boards, front and rear saddle frames, stand.
Fiat 690 aluminium paint Wheel hubs, wheel rims, front brake shoe backing plate, front suspension arms (2pieces), front saddle/fuel tank transverse bracket, front and rear saddle frames, stand.
Frame Handlebar, front fork bolts, floorboard runners and ferrules, gear change indicator, rear brake pedal, rear frame tuber, glovebox lid bracket and hinges, glovebox “Lambretta” scripts (the inside of the letters A-B-E-A and the line below the script are painted black). Glovebox lock and horn pedal (version I). Saddle tilt locking lever, large front and rear saddle springs (versions I and II). Front and rear saddle horizontal spring-tie-bar-cap and tie-bar bracket, front saddle L brackets and bolts (version III).
Electrical parts Headlamp bezel.
Engine Kick-start pedal, gear change lever, round final drive emblem (with red script), rear brake lever and pivot, oil caps.
Wheels Large and small cap nuts, front wheel hub brake lever.
Front fork Internal pins.
Frame Bodywork screws and bikts, gearbox detailing.
Engine Fuel tap.
Wheels Bushes and front wheel hub nuts, wheel rims (version I only).
Frame All burnished.
Engine Large and small Allen bolts, disc with rear wheel hub support.
Frame Handlebar levers and carriers (if in aluminium), headlamp bracket, brake pedal rocker. Glovebox closure (version II and III). Horn grille (version III).
Fuel/oil mixture 5%
spark plug Bosch 225 short thread
Engine oil SAE 15/50, 180g
Final drive SAE 15/50, around 100g
Carburettor MA 16, Max jet 65, Min 45, valve 55
Ignition advance 26°, 33mm on the flywheel circumference
Lechler system colours
Dark olive green 8022
Dark red 8020
Light blue 8017
Ivory Not available
Alumunium (engine) Fiat 690