The Vespa ET4 was first sold in the US beginning in 2001, and was replaced by the Vespa LX in 2006.
VESPA ET4 SPECIFICATIONS
Frame: Pressed steel monocoque
Engine type: Leader cycle 4 stroke, single cylinder
Engine power: 11.26 bhp
Engine size: 149.58 cc
Bore: 2.5 in. (62.6 mm)
Stroke: 1.9 in. (48.6 mm)
Compression ratio: Ranging from 10.1 to 11.1:1
Lubrication: Wet pump with cup capacity of 1 liter, chain driven lobe pump
Oil: 4-stroke synthetic oil (Selenia oil is recommended)
Fuel: Unleaded 91 octane minimum
Fuel capacity: 2.4 gal (9l)
Mileage : Approx. 42 mpg
Induction: SOHC (Single Overhead Camshaft)
Ignition: Electronic CDI and variable timing
Starter: Electric and kick starter
Engine Cooling: Forced air
Clutch: Automatic centrifugal type
Weight and Dimensions
Weight (curbside): 236 lbs. (107 kg)
Length: 69.3 in. (1,760 mm)
Width: 26.4 in. (670 mm)
Wheel base: 50.4 in. (1,280 mm)
Seat height: 31.7 in. (805 mm)
Wheels and Tires
Front wheel rim: Die-cast aluminum alloy, 2.50 - 10"
Rear wheel rim: Die-cast aluminum alloy, 3.00 - 10"
Front tire: Tubeless 100/80 - 10" Pirelli SL38
Rear tire: Tubeless 120/70 - 10" Pirelli SL38
Suspension and Brakes
Front suspension: Swinging arm (aeronautical type) with helicoidal spring and hydraulic double effect single damper. This type of suspension has been adopted on all Vespa models since 1946.
Rear suspension: Helicoidal spring and hydraulic double effect single damper
Front brake: Disc brake (7.9 in. [200 mm] diameter) with hydraulic linkage (r.h. brake lever) and dual piston hydraulic caliper.
Rear brake: Drum brake (diameter 4.3 in. [110 mm]) with mechanical linkage (l.h. brake lever)
Warranty for the ET4 was 1 year, unlimited miles.
*All prices shown were MSRP (Manufacturer's Suggested Retail Price). Freight/destination or other dealer charges, tax, license, title and optional or regionally required equipment (e.g., helmet) were excluded. Pricing, standard features, specifications and available equipment were those in effect when the page on which the information appears was produced and were subject to change without notice. Sidestand was not available on U.S. versions.