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.
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 |
