Vespa ET4 50 (2000-05)
The Vespa ET4 50 motorcycle was produced from 2000 to 2005, featuring a four-stroke, single-cylinder engine with a capacity of 49.3 cc and a compression ratio of 11.1:1, producing a maximum power of 2.5 kW at 6500 rpm. The engine is lubricated by a wet pump driven by a chain, feeding a carburetor from Weber or Dell’Orto or Mikuni 2-phase. The bike is air-cooled and forced, starting by kick-start and with an electronic capacitive ignition system. The transmission is CVT, and the clutch is automatic with a dry centrifugal system. The Vespa ET4 50 has a load-bearing pressed sheet steel frame, with hydraulic single shocks on the front and rear suspensions. The front brakes are a 200 mm disc, and the rear brakes are a 110 mm drum, while the wheels are pressed die-cast aluminum alloy. The bike has a seat height of 805 mm and a wet weight of 96 kg, with a fuel capacity of 9 L and a top speed of 45 km/h. It was available in White, Pearl white, Seafoam green, Blue, Dragon red, and Alabaster colors. Motorcycle.com reviewed the bike.
Technical specifications:
Make Model: Vespa ET4 50
Year: 2000 – 05
Engine: Four stroke, single cylinder
Capacity: 49.3 cc / 3.0 cub in
Bore x Stroke: 39 x 41.8 mm
Compression: 11.1:1
Lubrication: Wet pump, chain driven trochoidal pump
Carburetor: Weber / Dell’Orto / Mikuni 2-phase
Cooling: Air cooled, forced
Spark Plug: NGK CR9EB / NGK CR9EIX
Ignition: Electronic capacitive (CDI)
Starting: Kick start
Clutch: Automatic, dry centrifugal
Max Power: 2.5 kW / 3.4 hp @6500 rpm
Transmission: CVT
Final Drive: Belt
Frame: Loadbearing pressed sheet steel
Dimensions: Length: 1760 mm / 30.7 in Width: 700 mm / 27.6 in
Wheel Base: 1280 mm / 50.4 in
Front Suspension: Hydraulic single shock
Rear Suspension: Hydraulic single shock
Front Brakes: 200 mm disc
Rear Brakes: 110 mm drum
Wheels: Pressed die cast aluminium alloy
Front Tyre: 100/80-10″
Rear Tyre: 120/70-10″
Dimensions: Length: 1760 mm / 69.3 in Width: 670 mm / 26.4 in
Wheelbase: 1280 mm / 50.4 in
Seat Height: 805 mm / 31.7 in
Wet Weight: 96 kg / 212 lbs
Fuel Capacity: 9 L / 2.4 US gal
Top Speed: 45 km/h / 28 mph
Colours: White, Pearl white, Seafoam green, Blue, Dragon red, Alabaster
Review: Motorcycle.com
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