Derbi Senda 50cc Euro 4
From 2018, the Derbi Senda 50cc was adapted to the Euro 4 emissions standard, which led to significant changes to the carburetor, exhaust, and electronic engine management. The range includes three main lines: Senda X-Treme SM, Senda X-Treme R, and Senda Racing SM, all sharing a common technical base but with differences in frame, chassis, and tires depending on the version. The following information shows the general characteristics of these models. Variations may occur depending on the version.
Engine and mechanics Derbi Senda 2018-
- Engine: Derbi Euro 4 single-cylinder 2-stroke engine
- Cooling: liquid-cooled
- Displacement: 49 cc
- Bore x stroke: 39.88 x 40 mm
- Compression ratio: 11.5:1
- Fuel system: Dell'Orto PHVA 17.5 carburetor with electronic control (Euro 4 standard)
- Intake: reed valve on crankcase
- Ignition: electronic CDI
- Starter: kickstarter
- Clutch: multi-plate clutch in oil bath, cable-operated
- Transmission: 6-speed
- Fuel: unleaded gasoline 95
- Lubrication: autolube (separate oil tank and pump)
- Battery: 12V
Chassis, suspension and brakes Derbi Senda 2018-
- Frame: steel perimeter frame
- Front suspension: hydraulic telescopic fork (Ø37 mm on X-Treme; Ø41 mm upside-down on Racing). Travel varies depending on the model
- Rear suspension: hydraulic monoshock on swingarm, travel 200 mm
- Front brake: disc brake Ø 260 mm
- Rear brake: disc brake Ø 220 mm
- Tires (SM versions): front 100/80-17" - rear 130/70-17"
- Tires (R / enduro versions): front 80/90-21" - rear 110/80-18"
- Fuel tank: 7 l
- Seat height: 860-865 mm (depending on model)
- Dry weight: 99-104 kg (depending on model)
Senda 2018 in our shop: spare parts and maintenance
Maintenance of the Derbi Senda 50cc is important for proper operation and reliability. Common tasks include gear oil changes (every 5,000 km), cleaning or replacing the air filter (every 5,000 km), checking and replacing the spark plug, checking the coolant, as well as regular inspection of brake pads and brake fluid. On Derbi Senda Euro 4 models, it is especially important to keep the catalytic exhaust in good condition, as blockage can lead to issues with engine performance.
Our catalog includes OEM parts and compatible replacement parts for the Senda: pistons, engine gaskets, air filters, spark plugs, brake pads, brake discs, chain kits, carburetors and carburetor accessories, chassis parts, electrical components, and more.
For those tuning their Senda for racing use, suitable tuning parts are also available. On Derbi Senda 2018 Euro 4 models, any modification to the exhaust or carburetor may affect compliance with current regulations.