These are the known mechanical and performance specifications for your 2005 Vespa ET4 50.
Basic Specs
Engine
Displacement49.90 ccm (3.04 cubic inches)
Type
DetailsSingle cylinder, four-stroke
Max RPM
Compression
Bore/Stroke39.0 x 41.8 mm (1.5 x 1.6 inches)
Valves/Cylinder
Fueling
IgnitionElectronic capacitive (CDI)
Exhaust
LubricationWet pump with oil cup capacity of 800 cc; chain driven trochoidal pump; inlet and outlet filters.
CoolingAir
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity9.00 litres (2.38 gallons)
Emissions
Chassis
Frame TypePressed steel monocoque
Rake
Trail
Front SuspensionOscillating arm with helicoidal spring and dual effect hydraulic single shock absorber
Front Travel
Rear SuspensionHelicoidal spring and dual effect hydraulic single shock absorber
Rear Travel
Seat
Seat Height780 mm (30.7 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height
Total Length1,760 mm (69.3 inches)
Total Width700 mm (27.6 inches)
Ground Clearance
Wheelbase1,280 mm (50.4 inches)
Dry Weight96.0 kg (211.6 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre100/80-10
Rear Tire/Tyre120/70-10
Front BrakesSingle disc
Front Brake Diameter200 mm (7.9 inches)
Rear BrakesSingle disc
Rear Brake Diameter110 mm (4.3 inches)
Wheels
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