2015 Grand Auto Show: Aprilia SR 50R and Aprilia SR Motard 50

The Aprilia is an Italian motorcycle company owned by Piaggio. The Aprilia produces scooters and bikes. It also participates in MotoGP, superbike and superstock championships. Anyway, at the 2015 Grand Auto Show were showed Aprilia 50 and Aprilia Motard 50.

Aprilia SR 50R - side and rear view

The model SR 50 of Aprilia was introduced in 1992 and more than 800,000 units have been sold. The Aprilia showed some innovations in scooters launching the SR 50 as 13” wheels, liquid cooling double disc brakes and direct injection engine.

 

Aprilia SR 50R - side and rear view

The Aprilia SR 50 used engines from Morini, Piaggio and Minarelli which conforms to EURO 3 standard. The DiTech two-stroke engine was jointly developed with Orbital Corporation and Siemens.  

 

Aprilia SR 50R and SR Motard (MT) 50

I would like to compare both models Aprilia SR 50 and Aprilia SR Motard 50. On first look is obvious that the headlights are different but the main differences are in the engines. The engine capacity is 49 ccm and the bore is 40 mm (1.57 in). Here is the first difference the SR50 R model has 39.3 mm (1.54 in) stroke and the stroke of the SR Motard 50 is 39 mm (1.535 in).

 

Aprilia SR 50R - handle bar and instrumental cluster

The compression ratio is also different 12.1:1 for the SR50 R model and 10.3:1 for SR Motard 50. The Aprilia SR 50R has 3.7 hp @ 6500 rpm versus Aprilia SR Motard 50 has 5.3 hp @ 8500 rpm. The first scooter has liquid-cooled engine and the second has forced air cooling system.

Aprilia SR 50R - instrumental cluster

The SR 50R’s engine has separate lubrication system with mechanical oil pump. The lubrication oil of the Aprilia SR Motard 50’s is injected into the cylinder.  

Both scooters have automatic CVT transmission. They also have automatic centrifugal dry clutch.

Aprilia SR Motard 50 - front view double headlight

The front suspension is hydraulic dampened telescopic fork. The differences are the SR 50R has 90 mm (3.54 in) wheel travel while the Aprilia SR Motard 50 has 86 mm (3.39 in) wheel travel.

Aprilia SR Motard 50 - side view

The Aprilia SR 50R and SR Motorad have different rear suspension. The SR 50R has monoshock suspension and 69 mm (2.72 in) wheel travel. The SR Motard 50’s rear suspension has hydraulic dampened telescopic fork. The wheel travel is 86 mm (3.39 in).

 

Aprilia SR Motard 50 - handle bar and instrumental cluster

The SR 50R has 190 mm (7.48 in) front brake with racing caliper with two opposing pistons. The Aprilia SR Motard 50 has 220 mm (8.66 in) disc dual piston floating caliper.

 

Aprilia SR Motard 50 - instrumental cluster

The rear brake of the SR 50R model is same as its front but the Aprilia SR Motard 50 has 140 mm (5.51 in) drum brake.

 

Aprilia SR 50R - front view

The differences continue with the tyres. The Aprilia SR 50R has front and rear tubeless tyres 130/60 13”. The SR Motorad 50 model also has front and rear tubeless tyres but the size is 120/70 14”.

These scooters have 2 kg (4.41 lbs) difference. The Aprilia SR 50R has 103 kg (227.1 lbs) dry weight and the Motorad 50’s dry weight is 101 kg (222.67).

 

Aprilia SR 50R - rear view

It’s strange but both scooters have equal fuel tank capacity but the reserves are different. The Aprilia SR 50 R has 1.2 liters (0.32 us liquid gal) reserve and the Aprilia SR Motorad 50 has 2 liters (0.53 us liquid gal) reserve. The volume of the reserve is included to the 7 liters (1.85 us liquid gal) tank capacity.

Here you can see the dimensions of the Aprilia SR 50R and the Aprilia SR Motard 50.

	Aprilia SR 50R	Aprilia SR Motard 50
Length	1860 mm (73.23 in)	1955 mm (76.97 in)
Width	705 mm (27.76 in)	720 mm (28.35 in)
Wheelbase	1260 mm (49.61 in)	1355 mm (53.35 in)
Seat height	795 mm (31.3 in)	775 mm (30.51 in)