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Lambretta Lui 50 C-CL / 75 S-CL Facts, Figures and Details:

 
Maintenance Data:

Oil to Gas ratio 2 % or 50:1

Sparkplug:  NGK B7ES or Bosch 225-240

Transmission Oil: Sae 90, 450gr (50cc) and 620 gr (75cc)

Timing (50cc): 20-22 degrees or 1.6 - 2.1mm before TDC

Carburetor & Jetting                     

50cc SHA 14/12 main jet: 52
75cc SH 1/20 main jet: 68  Idle jet: 45

 

Production Data:

 

50 Lui C-CL produced from March 1968 until June 1969. 27,812 units made.  Vin numbers begin with 575,001.
75 Lui S-SL produced from August 1968 until December 1970  9,402 units made.  Vin numbers begin with 650,001

 

Model Identification:

50 Lui C-CL

First Version early 1969

"Lambretta" script on the left side of the legshield above the "50c" or "50 cl" badge, stiletto levers.

Second Version early 1969 until the end of Production

The "Lambretta" badge is eliminated from the Legshield and is replaced with the "Lui" badge in the center and, in some cases, a small "Lambretta" badge is placed below the oval "i" badge.   Ball end levers are installed.

75 Lui S-SL

First Version early 1969

    Stiletto levers used.

Second Version Until the end of Production

Ball-end levers used.

 

Paint (Lechler) and Paint Schemes:

50 C

All the same color, Bone White 8082 with the exception of the wheel hubs, wheels, centerstand, rear brake pedal and cylinder shroud which were painted Aluminum 8081.

The seat frame and latch were painted gloss black while the cylinder cover was flat black.

50 CL

All the same color, Orange 8037 or Apple Green 8039 or Turquoise 8016 centerstand, rear brake pedal and cylinder shroud which were painted Aluminum 8081.

The seat frame and latch were painted gloss black while the cylinder cover was flat black.

75 S-SL

All the same color, Metallic Grey 8060 or Ochre 8080 with the exception of the wheels, hubs, centerstand and rear brake pedal which were all painted Fiat Aluminum 690. 

The engine case cover and handlebars are painted Aluminum 8081.

The seat frame and latch were painted gloss black while the cylinder cover, license plate holder, tail light and two exhaust grills are flat black.


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