Aprilia RS4 50 Replica (2015)

The Aprilia RS4 50 Replica is a motorcycle released in 2015 with a two-stroke, single-cylinder engine that has a capacity of 49.9 cc. The bike has a compression ratio of 11.5:1, an automatic mixer lubrication system, and a carburetor fuel system. It features a six-speed transmission with multiple oil bath disc clutches, and a final drive chain with a ratio of 60/13. The RS4 50 Replica has a lightweight aluminum frame, upside-down front forks with a 41mm diameter, and a swingarm-mounted rear monoshock. It has stainless steel disc brakes on both the front and rear wheels, with 4-piston radial calipers on the front and single-piston calipers on the rear. The bike has light alloy wheels with 6 split spokes, and the front and rear rims measure 2.75 x 17 inches and 3.50 x 17 inches, respectively. It has a top speed of 96.6 km/h (~60 mph), and comes in racing replica white, red, and black colours. Reviews have been positive for the Aprilia RS4 50 Replica, with the moto and topspeed receiving high praise for its performance and design.

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Technical specifications:

Make Model: Aprilia RS4 50 Replica

Year: 2015

Engine: Two stroke, single cylinder

Capacity: 49.9 cc / 3.05 cub in.

Bore x Stroke: 39.9 x 39.9 mm

Cooling System: Liquid cooled

Compression Ratio: 11.5:1

Lubrication: Automatix mixer

Fuel system: Carburetor

Exhaust: Single, stainless steel and chrome silencer

Ignition: CDI

Starting: Electric

Clutch: Multiple discs in oil bath

Transmission: 6-Speed

Primary Transmission: 69/29

Final Drive: Chain

Final Drive Ratio: 60/13

Frame: Aluminium

Front Suspension: Upside down fork, ~A41 mm

Front Wheel Travel: 110 mm / 4.3 in.

Rear Suspension: Asymmetric swingarm, monoshock

Rear Wheel Travel: 130 mm / 5.1 in.

Front Brakes: Stainless steel disc, 300 mm, 4-piston radial caliper

Rear Brakes: Stainless steel disc, 218 mm, single piston caliper

Wheels: Light alloy with 6 split spokes

Front Rim: 2.75 x 17 in.

Rear Rim: 3.50 x 17 in.

Front Tyre: 110/80-17

Rear Tyre: 130/70-17

Dimensions: Length: 1953 mm / 76.9 in Width: 740 mm / 29.1 in Height: 1138 mm / 44.8 in

Wheelbase: 1350 mm / 53.1 in

Seat Height: 820 mm / 32.3 in.

Fuel Capacity: 14.5 L / 3.8 US gal

Reserve: 3.5 L / 0.92 US gal

Top Speed: 96.6 km/h / 60 mph

Colours: Racing replica white, red and black

Review: moto, topspeed