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Lambretta (Innocenti) Lui 75 (75 S, 75 SL, Vega, Cometa)
Description
Lambretta Lui
(like Luna, Vega & Cometa)
The Lui (also called Vega in some export markets) was designed to secure the market share in the 50cc class, after the J-range only achieved disappointing sales figures. To keep the production cost down, the scooter's equipment was reduced to the necessary minimum. In order to avoid a cheap appearance, Nuccio Bertone, a renowned vehicle designer was given the task of creating a suitable livery for the lightweight model. Indeed his design for Lui and Vega was a futuristic masterpiece which looks just as up-to-date today as in 1968, when the slogan “All for Lui and Lui for all” was created.
The frame consists of a front and a rear piece. While the front is made from conventional tubular steel, the rear is a pressed steel item. The suspension was adapted from the J-range, while the brake drums were made entirely from steel. Most of the mechanical system was taken over from the J.
Lui 75 S & SL
Only a few months after the launch of the Lui 50, Innocenti presented the Lui 75 at the 15th Tokyo Motor Show, being the only European exhibitor present. The Lui 75, also dubbed Vega, was available in two versions: S and SL. Compared to the 50cc models, the 75 had a upgraded electric system to power high beam and brake light. Similar to the 50 S both 75 versions had a dual seat and a motocross-style up-and- over exhaust. The engine's power output was 5,2 hp, giving a rather quick acceleration thanks to the 4-speed gearbox.
The main difference between the S and the SL however is the autolube system called “Lubematic”. It was the first autolube system fitted to a mass-production Italian scooter.
Both versions were only available in two colour schemes: Ochre and metallic grey. The main visible difference between the two is a Lubematic sticker at the legshiels of the SL.
| Model: Capacity: Production period: Quantity: Production code: 1st frame no.: |
Lui 75 75 cc 08/68-12/70 9.402 20/9 650.001 |
Lui 75 S, SL – 1st version
(March 1968 until beginning of 1969)
Lambretta badge at the left of the legshields over the 50 C or CL badge, no ball-ends at the levers, chromed grille behind the headlight.
Lui 75 S, SL – 2nd version
(beginning of 1969 until December 1970)
No Lambretta badge at the legshields, ball-end brake and clutch levers, chromed grille behind the headlight with Innocenti label. Few scooters have an additional little Innocenti badge over the Lui badge.
Original paint (Lechler)
| Grigio Met. (Silber) 8060 |
 |
| Giallo Ocra (Ocker) 8080 |
 |
| Véhicule (généralités) | |
|---|---|
| Modèle: | Lui 75 (75 S, 75 SL, Vega, Cometa) |
| Année/s de production: | 1968, 1969, 1970 |
| N° de châssis: | 20/8 |
| Production: | 9402 |
| Couleurs: | ocra (8080) |
| Véhicule dimensions | |
| Longueur: | 1700 mm |
| Largeur: | 656 mm |
| Hauteur: | 1028 mm |
| Hauteur de la selle: | 770 mm |
| Distance entre les axes de roues: | 1202 mm |
| Capacité réservoir d'essence: | 6 l |
| Réserve incl. (essence): | 0.8 l |
| Poids (à vide): | 76 kg |
| Véhicule roues | |
| Roue avant: | 3.00 - 10 |
| Roue arrière: | 3.00 - 10 |
| Jante avant: | 2.10 - 10 |
| Jante arrière: | 2.10 - 10 |
| Véhicule freins | |
| Type de frein avant: | frein a tambour |
| Actionnement de frein avant: | mécanique par câbles |
| Ø avant: | 125 mm |
| Type de frein arrière: | frein a tambour |
| Actionnement de frein arrière: | mécanique par câbles |
| Ø arrière: | 150 mm |
| Véhicule suspension | |
| Type de suspension avant: | fourche, suspension à roue tirée, uniquement ressort |
| Type de suspension arrière: | combiné ressort/amortisseur |
| Véhicule moteur | |
| Cylindrée: | 74.4 cm³ |
| Course: | 44 mm |
| Alésage: | 46.4 mm |
| Type de moteur: | 2 temps |
| Nombre de cylindres: | 1 |
| Type de refroidissement: | par aire |
| Puissance (kW): | 3.68 kW |
| Puissance (ch): | 5 |
| Régime max. de rotation (puissance max.): | 6300 |
| Compression: | 1:9.3 |
| Carburation: | carburateur |
| Carburateur: | Dell'Orto SH1/20 |
| Démarreur: | kick |
| Embrayage: | manuel |
| Fabricant du moteur: | Innocenti |
| Vitesse max.: | 82.5 km/h |
| Type de moteur: | 2 temps |
| Norme d'emissions: | sans |
| Véhicule moteur - allumage | |
| Type d'allumage: | avec rupteur |
| Avance à l'allumage: | 21 |
| Écartement des contacts: | 0.4 mm |
| Puissance (éclairage): | 33 W |
| Tension: | 6 V |
| Bougie: | (NGK) B7ES |
| Véhicule moteur - boîte de vitesses | |
| Boîte de vitesses: | manuelle |
| Nombre de vitesses: | 3 |
| Rapport transmission primaire - 1:: | 3.538 |
| Rapport 1re vitesse - 1:: | 5.44 |
| Rapport 2e vitesse - 1:: | 3.538 |
| Rapport 3e vitesse - 1:: | 2.625 |
| Rapport 4e vitesse - 1:: | 1.95 |
| Rapport total - 1:: | 6.9 |
| Véhicule fluides | |
| Carburant: | Super (ROZ 95) |
| Mélange: | 1:50 |
| Huile de transmission: | SAE80 |
| Quantité huile de transmission: | 0.5 l |
| Les clients recherchaient alternativement | |
|---|---|
Lambretta Lui (like Luna, Vega & Cometa)
The Lui (also called Vega in some export...Lire la suite
Modèles compatibles
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