M and M Lambretta

Lambretta Model C


Production Dates: Feb 1950 to Nov 1951
Serial Number Range:
 050001 - 137500
Quantity Produced: 87,500
Main Specs:
Overall Length:
 1620 mm / 64 in
Overall Height: 880 mm / 35 in
Overall Width:
 650 mm / 26 in
Weight (dry): ~55 kg  / 121.25 lbs
Gears: 3 speeds - Hand controlled Teleflex cable
Speed Max:
 ~70 kmh / 44 mph
Tire Size:
 4.00 x 8
Brakes:
 Drums Front & Rear w/steel brake shoes
Fuel Tank:
 6 liters / 1.32 gal -  0.8 liters / 0.18 gal reserve
Consumption:
 ~50 kpl / 141 mpg
Engine Specs:
Capacity (cc):
 123
Bore:
 52 mm
Stroke:
 58 mm
Compression:
 6:1
Max Output:
 4.3 bhp @ 4500 rpm
Cooling:
 Air
Carburettor:
Type:
 Dellorto MA 16 (MA 19 ex-factory)
Choke:
 16 mm  (or 19mm)
Slide:
 55
Needle:
 C9
Atomizer:
 260
Main Jet:
 65
Pilot Jet:
 45
Starter Jet:
  --
Float:
 7.5 grams
Air Screw Adj:
 1- 2 turns
Service Info:
Spark Plug:
 Champion L7, L10S
NGK B7HS
Spark Plug Gap:
 0.015
Timing:
 26 degrees BTDC
Points Gap:
 0.40 - 0.50 mm
Engine Oil:
 SAE 15/50 180 grams
Transmission Oil:
 Special grease
Tire Pressure:
 Front 14 psi / Rear 22 psi
Fuel Mix:
 5% or 20:1
Paint Information:
Lechler Color Name
 Lechler Color Code
Kaki Oliva Chiaro / Light Khaki Olive
 8027
Camoscio / Chamois   - 8011 8011
Bluette / Blue
(valid only for the very first produced, with only one latch on the rear toolbox)		 8017


The seat frame, toolbox tube, centerstand, wheels, wheel hub and the two support bars under the legshield are painted Fiat Aluminum 690.  The engine case and air filter box are also painted Fiat Aluminum 690.
Model Notes:

 Starting with the C, the basis of all Lambretta frames would be made of tube.

Rear seat, lunch box, and spare wheel holder where optional.

First Version 1950:
Quadrangular (irregular) shaped shifter control box with "teleflex" stamped into it, "B" style control levers with 59mm x 10mm insert holes.

Second Version 1951:
"Shield"-shaped shifter control box without any stamped writing on it, handlebar control levers have 44mm x 10mm insert holes.

Sources used for the above information:
1. Publication Section
2. Peter Davies - information reproduced with written permission
3. Paint colors - many various sources from the UK
4. Model notes - many various sources from the UK

Details pertaining to restoration broken down by VIN range, obtained from Casa Lambretta USA and reproduced with written permission.



Return Home

[an error occurred while processing this directive]