D50B0 engine in Derbi SM 50 - machine and bike info

Derbi Senda SM 50 motorcycles are often chosen because of their original design and installed drive. Particularly good reviews are the D50B0 engine. It is worth mentioning that in addition to it, Derbi also installed EBS / EBE and D50B1 in the SM50 model, and the Aprilia SX50 model is a unit built according to the D0B50 scheme. Find out more about the vehicle and engine in our article!

D50B0 engine for Senda SM 50 - technical data

The D50B0 is a two-stroke, single-cylinder engine running on 95 octane gasoline. The engine uses a power unit equipped with a check valve, as well as a starting system that includes a kickstarter.

The D50B0 engine also has an oil pump lubrication system and a liquid cooling system with pump, radiator and thermostat. It develops a maximum power of 8,5 hp. at 9000 rpm, and the compression ratio is 13:1. In turn, the diameter of each cylinder is 39.86 mm, and the piston stroke is 40 mm. 

Derbi Senda SM 50 - motorcycle characteristics

It is also worth telling a little more about the bike itself. Produced from 1995 to 2019. Its design is identical to the Gilera SMT 50 two-wheeled bicycle. The designers chose the front suspension in the form of a 36 mm hydraulic fork, and equipped the rear with a monoshock.

The most striking are the Derbi Senda 50 models, such as the Xtreme Supermotard in black, the twin headlight fairing and the stylish instrument panel. In turn, for standard use in the city, the two-wheeled motorcycle Derbi Senda 125 R with a little more wear resistance will be the best choice.

Specifications Derbi SM50 with D50B0 engine

Driving is very comfortable thanks to the 6-speed gearbox. In turn, the power is regulated by a multi-disk switch. The Derbi is also equipped with a 100/80-17 front tire and a 130/70-17 rear tire.

Braking was provided by a disc brake at the front and a single disc brake at the rear. For the SM 50 X-Race, Derbi equipped the bike with a 7-litre fuel tank. The car weighed 97 kilograms, and the wheelbase was 1355 mm.

Variations of the motorcycle Derbi SM50 - a detailed description

Various versions of the Derbi motorcycle are available on the market, including those with the D50B0 engine. The Senda 50 is available in the Supermoto, a limited edition DRD model that comes with gold-anodized Marzocchi forks, as well as the spoked X-Treme 50R with MX mudguards and spongy off-road tires.

Apart from these differences, they have a lot in common. These certainly include the identical base alloy beam frame and longitudinal swingarm. Despite the fact that the suspension and wheels are not the same, driving a 50cc two-wheeler is very comfortable anyway.

Motorcycle models after the acquisition of the Derbi brand by Piaggio - is there a difference?

The Derbi brand was acquired by the Piaggio group in 2001. Motorcycle models after this change are of much better workmanship. These include stronger suspension and brakes on the Derbi Senda 50, as well as styling enhancements such as the chromed exhaust on the DRD Racing SM.

It is worth looking for a unit manufactured after 2001. Derbi SM 50 motorcycles, especially with the D50B0 engine, are great as a first motorcycle. They have an eye-pleasing design, are inexpensive to operate and develop an optimal speed of up to 50 km/h, which is enough for safe movement around the city.

A photo. main: SamEdwardSwain from Wikipedia, CC BY-SA 3.0