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Lambretta (Innocenti) LI 150 (series 1)
Description
Lambretta Li 150
Series 1
On 10 April 1975 the first Lambretta TV “Tourismo Veloce” was revealed to the public. The new scooter was squarely aimed at the Vespa GS 150, which had been a groundbreaking success for Piaggio. The Tourismo Veloce was definitely a huge step forward for Innocenti, both in terms of styling as well as performance. Contrary to previous models, the front mudguard was fixed to the bodywork and did no longer turn with the front wheel. The newly designed side-panels had air intakes to aid cooling and the rear running boards continued the floating lines of the scooter. The headlight was mounted in the horncasting as with the Model D. A real gem was the rear light with its red centre piece surrounded by two orange brake lights. A 120 kph speedometer was fitted as standard, as well as the adjuster thumb-screws in the levers, which unfortunately disappeared during the production run. New, larger 10 inch wheels offered better roadholding and increased comfort. Also the suspension with springs integrated in the forks and a rear shock absorber led the way for all subsequent Lambrettas. Besides, the TV was the first Lambretta with additional dampers at the front as standard. The rear shock could be taken off easily to lower the engine to gain access to the cylinder.
This was necessary as the engine was a completely new design with a horizontal cylinder instead of an upright standing one. The engine with a capacity of 170cc and a power output of 8,6 or 9,0 hp (depending on the source of information) provided superior acceleration and a remarkable top speed of 102 kph. Both the carburettor with its 23 mm diameter and the crank with its 60mm stroke opened up new dimension for Innocenti. Also the transmission was a completely new design as it replaced the driving shaft with a duplex chain. The TV had an air intake through the frame (hence the name “framebreather”) and floor mats instead of ribs. The exhaust was held by a large ring nut which was dropped at all later models. All rubber parts and cables were coloured grey, apart from the stand feet and the kickstart rubber, which were black - probably just to act as the proverbial exception from the rule.
| Model: Capacity: Production period: Quantity: Production code: 1st frame no.: |
Li 150 150 cc 04/58-10/59 108.984 125LI 500.001 |
Li series 1 – 1st version
(April 1958 until September 1958)
The air intake is through the grille behind the passenger seat and through the frame. The air filter is a wire mesh. The chain tensioner in the engine is not adjustable. The very first LI 150 models have TV side-panels with air intakes. The front saddle has no catch. The first LI 125 models have neither steering lock nor legshield-rubbers.
Li series 1 – 2nd version
(September 1958 until December 1958)
The air filter receives a paper-inlay. The front saddle has a catch, the chain tensioner is now adjustable.
Original paint (Lechler)
| Grigio Fiume 8014 (*1) |
 |
| Grigio Chiaro 8019 (*2) |
 |
| Azzurro Flaminia 8032 (*3) |
 |
| Bleu Inghilterra 8031 (*3) |
 |
| Verde Nilo 8015 (*3) |
 |
| Rosso Rubino 8047 (*3) |
 |
| Rosso Corallo 8046 (*3) |
|
(*1) = single tone scheme
(*2) = two tone scheme, frame colour
(*3) = two tone scheme, side panel colour
| Vehicle (general) | |
|---|---|
| name: | LI 150 (series 1) |
| year of manufacture: | 1958, 1959 |
| VIN: | 150LI |
| no. of exemplars produced: | 108984 |
| colours: | azzurro flaminia (8032), bleu inghilterra (8031), grigio albo (8019), rosso corallo (8046), rosso rubino (8047), verde nilo (8015) |
| Vehicle sizes | |
| length: | 1825 mm |
| width: | 710 mm |
| height: | 1038 mm |
| seat height: | 785 mm |
| ground clearance: | 165 mm |
| wheelbase: | 1290 mm |
| petrol tank capacity: | 8.5 l |
| tank reserve (petrol): | 0.75 l |
| weight (dry): | 106 kg |
| weight (kerb): | 120 kg |
| weight (max): | 258 kg |
| Vehicle wheels | |
| front tyre: | 3.50 - 10 |
| rear tyre: | 3.50 - 10 |
| front wheel rim: | 2.15 - 10 |
| rear wheel rim: | 2.15 - 10 |
| Vehicle brakes | |
| front brake type: | drum brake |
| front brake operation: | mechanical with cable |
| Ø front: | 150 mm |
| rear brake type: | drum brake |
| rear brake operation: | mechanical with cable |
| Ø rear: | 150 mm |
| Vehicle suspension | |
| front suspension type: | spring only, trailing link fork |
| rear suspension type: | shock absorber |
| Vehicle engine | |
| displacement: | 148 cm³ |
| stroke: | 58 mm |
| bore: | 57 mm |
| engine type: | 2-stroke |
| number of cylinders: | 1 |
| type of cooling: | air |
| power (kW): | 4.78 kW |
| power (HP): | 6.5 |
| rpm (P max): | 5300 |
| compression ratio: | 1:7 |
| mixture preparation: | carburettor |
| carburettor: | Dell'Orto MA19 BS5 |
| starter: | kickstarter |
| clutch: | manual |
| engine brand: | Innocenti |
| max speed: | 83.1 km/h |
| engine type: | 2-stroke |
| emission standard: | none |
| Vehicle engine - ignition | |
| ignition type: | point set ignition |
| advanced ignition: | 23 |
| points distance: | 0.45 mm |
| power (light): | 30 W |
| voltage: | 6 V |
| spark plug: | (NGK) B8ES |
| Vehicle engine - gearbox | |
| gear change type: | manual |
| no. of gears: | 4 |
| ratio primary - 1:: | 3.0666 |
| ratio speed 1 - 1:: | 4.545 |
| ratio speed 2 - 1:: | 2.928 |
| ratio speed 3 - 1:: | 2.176 |
| ratio speed 4 - 1:: | 1.7 |
| overall ratio - 1:: | 5.2133 |
| Fahrzeug Betriebsstoffe | |
| fuel: | Super (ROZ 95) |
| mix ratio: | 1:50 |
| gearbox oil: | SAE90 |
| gearbox oil capacity: | 0.7 l |
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Lambretta Li 150 Series 1
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