Startin with this model the basis of all Lambretta frames would be made of tube.
Specifications
Date of production Feb 1950~Nov 1951
Scooters produced 87.500
Capacity 125 cc
Bore x stroke 52×58 mm
Carburettor Dellorto MA 16
Gear 3 speeds Hand Controlled Teleflex
Power 4.3 cv a 4,500 g/min
Speed max 65-70 Km/h)
Tyre Size 4×8
Brakes Aluminium finned drum brakes
Tank capacity 6L, reserve 0,7L
Consumption 50 Km/L
Weight 70 Kg
Overall length 1730 mm
Overall eight 920 mm
Overall width 730 mm handlebar
Colors green, blue, beige and red all metalized
Price 125.000 Lire
Additional info Air Cooled, Rear seat, lunch box and spare wheel holder optional
Identification details
version I 1950 Irregular quadrangular box receiving the gearshift cable engraved with the script “Teleflex”, 125 B-type handlebar levers with 59x10mm section lever mounts (rear glovebox with single clasp, first few examples of the type C only).
version II 1951 Shield-shaped box receiving the gearshift cable with no script, smaller handlebar levers with 44×10 mm sction lever mounts, reincforced rear damper mount.
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
1950: 050001 – 084757
1951: 084758 – 137500
Colour schemes and finishes
Body colour parts Fork, frame, leg-shields, fuel tank, toolbox and cover, 2 toolbox bars, headlamp, front and rear mudguards, steeringhead badge mount.
Aluminium paint wheel hubs, wheel rims, front braje shie backing plate, front and rear saddle frames (including all the large and small springs), stand, 2 cross members below the footboard, horn support and circlip, spare wheel mount, license plate mount, tool carrier tube and cover.
Crankcase and flywheel cover Painted aluminium silver
Carburettor Air filter painted aluminium silver, burnished body, nickelplatedscrews, natural-finish Zama cover witgh trickler button.
Control cable sheaths Silver grey.
Saddles Mid-brown coarse grain, imitation leather, “Aquila Continentale” rear script. The rear saddle may be either square or triangular. On early examples in particular, ochre yellow saddles may be found.
Exhaust Version I nickel-plated (welded type), version II opaque black (removable type).
Chromed parts
Frame/body Handlebars and fittings (screws, caps) steeringhead cable clip, brake pedal, upper steering bearing support plate.
Electrical parts Front and rear lamp bezels, horn cover, light switch cover.
Engine Kick-start pedal.
Wheels Large cap nuts (2 front, 1 rear).
Nickel-plated parts
Front fork Front wheel carriers, screws and pins, lower steering beating seat.
Frame/body All screws and bolts, lubricators.
Electrical parts Light switch cover screws.
Engine Levers, studs, screws, oil caps, danper cover, exhaust (non- opening version I only), complete Teleflex sheath.
Wheels Small cap nuts, open nuts, bushes, wheel
Burnished parts
Frame/body Large and small Allen bolts.
Engine Large and snakk springs.
Polished parts
Frame/body Handlebar levers. Floorboard runners.
Lechler system colours
Light olive khaki 8027
Chamois 8011
Special blue not available (only on the earliest 125 LC)
Aluminium (engine and frame) Fiat 690
Maintenance data
Fuel/oil mixture 5%
Spark plug Bosch 225short thread
Engine oil SAE 15/50, 180g
Final drive grease
Carburettor Dell’Orto MA 16, max jet 65, min 45 Valve 55
Zenith, max jet 80/84, min jet 40
Ignition advance 26°, 33-35mm on the flywheel circumference