Aprilia Leonardo 125 (2003)

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The Aprilia Leonardo ST/SP 125 is a 2003 motorcycle with a four-stroke, horizontal single-cylinder, OHC, 4 valves engine and a capacity of 124.9 cc. It has a compression ratio of 12.5:1, liquid cooling, and wet crankcase lubrication with forced circulation using a lobe pump. The Tei Kei 4UC carburetor induces fuel and the ignition is electronic, with electric starting powered by a 12V, 12Ah battery. The transmission is a dry automatic centrifugal clutch with automatic transition through a V-belt final drive. The motorcycle has a front single beam with double superimposed rear cradle in high yield point tubular steel frame, with hydraulic telescopic fork with advanced wheel pin, ~A35 mm sleeves, 90mm wheel travel, and a rear suspension composed of the engine with the function of oscillating fork and attached to frame with double rod supported by silent-blocks, with two hydraulic shock absorbers with progressive elasticity, pre-load adjustable to 5 positions, and a travel distance of 90 mm / 3.5 in. The front brakes are composed of a single ~A220 mm disc with 2 pistons caliper ~A35 mm and the rear brakes consist of a single ~A190 mm disc and 2 pistons caliper ~A30 mm. The motorcycle rides on light alloy wheels with five tangential spokes.

Technical specifications:

Make Model: Aprilia Leonardo ST/SP 125

Year: 2003


Engine: Four stroke, horizontal single cylinder, OHC, 4 valves
Capacity: 124.9 cc / 7.6 cu in
Bore x Stroke: 62 x 50 mm
Compression Ratio: 12.5:1
Cooling System: Liquid cooled
Lubrication: Wet crankcase, forced circulation with lobe pump
Induction: Tei Kei 4UC carburetor
Ignition: Electronic
Starting: Electric
Battery: 12V, 12Ah
Transmission Clutch: Dry automatic centrifugal
Transmission: Automatic
Final Drive: V-belt
Frame: Front single beam with double superimposed rear cradle in high yield point tubular steel
Front Suspension: Hydraulic telescopic fork with advanced wheel pin, ~A35 mm sleeves, 90mm wheel travel,

Front Wheel Travel: 90 mm / 3.5 in
Rear Suspension: Engine with function of oscillating fork, attached to frame with double rod supported by silent-blocks; two hydraulic shock absorbers with progressive elasticity, pre-load adjustable to 5 positions
Rear Suspension: 90 mm / 3.5 in
Front Brakes: Single ~A220 mm disc, 2 piston caliper ~A35 mm
Rear Brakes: Single ~A190 mm disc, 2 piston caliper ~A30 mm
Wheels: Light alloy with five tangential spokes

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