Derbi Senda X-Race SM 50 (2005-2010)
The Derbi Senda X-Race SM 50 Euro 3 is the supermotard version of the X-Race model. It is powered by the Derbi D50B0 engine, a liquid-cooled single-cylinder 2-stroke engine that became a benchmark for an entire generation of riders. With its Delta Box (perimeter) frame and 17-inch wheels, the Senda X-Race SM combines urban agility with a sporty character.
Technical data - Derbi Senda X-Race SM 50 Euro 3
Engine
- Type: Single-cylinder 2-stroke engine Derbi Euro 3
- Displacement: 49 cc
- Bore × stroke: 39.86 × 40 mm
- Compression ratio: 11.5:1
- Cooling: Liquid-cooled
- Intake: Reed valve
- Carburetor: Dell'Orto PHVA 17.5 with manual choke
- Fuel: Unleaded gasoline 95
- Lubrication: Fuel-oil mixture with separate oil pump / autolube
- Ignition: Electronic
- Starter: Kickstarter
- Clutch: Multi-plate clutch in oil bath
- Transmission: 6-speed manual gearbox
Chassis and suspension
- Frame: Perimeter / Delta Box
- Front suspension: Hydraulic fork, travel 195 mm
- Rear suspension: Swingarm with progressive hydraulic monoshock, travel 182 mm
- Front brake: Hydraulic disc brake Ø 260 mm
- Rear brake: Hydraulic disc brake Ø 180 mm
- Brake fluid: DOT 4
- Front tire: 100/80 × 17"
- Rear tire: 130/70 × 17"
- Fuel tank: 7 liters (reserve 1.3 liters)
- Oil tank: 1 liter (reserve 0.25 liters)
Dimensions
- Overall length: 2030 mm
- Wheelbase: 1355 mm
- Width (handlebar): 780 mm
- Seat height: 855 mm
Common spare parts for Derbi Senda X-Race SM 50 Euro 3
Our website offers all parts needed for regular maintenance, track-focused tuning projects, or specific repairs.
The D50B0 Euro 3 engine shares its architecture with other models in the Senda range from the same period, but has its own characteristics in carburetor setup, exhaust, and ignition tuning to meet the Euro 3 standard. It is important to always check compatibility of spare parts with the model year and version, especially for engine, carburetor, and exhaust components.