Derbi Senda 50

Derbi Senda

Derbi Senda DRD Pro 125
Manufacturer	Derbi
Also called	Derbi Senda Xtreme SM/R 50, Derbi Senda DRD Pro, Derbi Senda 125 4T SM
Parent company	Piaggio
Production	1995 – 2024+
Class	SuperMotard
Engine	50 cc (3.1 cu in) liquid cooled, two stroke single cylinder 125 cc (7.6 cu in) liquid cooled, two stroke single cylinder
Compression ratio	11.5:1
Top speed	50cc: 86 km/h (53mph) 125cc: 110 km/h (68mph)
Transmission	6-speed Sequential Manual. Straight Cut Gears
Suspension	Ø40 mm hydraulic fork with leading axle; wheel travel 195 mm Rear: hydraulic monoshock; Non-adjustable; wheel travel 180 mm
Brakes	Front: 260mm drilled or slotted steel disc (depending on model); single-piston caliper Rear: 180 mm drill or slotted steel disc (depending on model); single-piston caliper
Fuel capacity	50cc: 5.8 litres 125cc: 7.9 litres
Related	Gilera SMT/RCR

The Derbi Senda is a Supermotard made by Spanish company Derbi. It is one of the most popular bikes made by Derbi due to its appeal to young riders, its styling and its amazing tuning possibilities.

Derbi Senda DRD Racing 50

History

2015 Derbi Senda

The bike itself uses an EBS/EBE, D50B0 or D50B1 engine which produces a staggering 5bhp. The Derbi Senda is identically constructed as the Gilera SMT 50. Between 1995 and 2005, Derbi was produced with an EBS / EBE engine, and after 2005, D50B0 / D50B1 engines were used until 2023 when production ended.

Engine

50 cc single cylinder, four-petal plastic reed valve case induction and two-stroke injection (automix) carburetor fueled.

Engine displacement – 49.76 cc

Bore/stroke – 39,88×40 mm

Compression ratio – 11.5:1

Clutch – Wet, multiple plate

Starting – Kickstart

Exhaust

Rotor Ignition/Generator = 85w/120w

Cooling system – liquid-cooled

Fuel tank size = 7.45 litres

Fuel system – Carburetor Dell'Orto PHVA 17.5 mm

Main jet = 85

Needle Jet = A13, notch #2

Idle jet = 30 Fuel capacity: 7.45 liters

Transmission

1st = 1st 11/34

2nd = 2nd 15/30

3rd = 3rd 18/27

4th = 4th 20/24

5th = 5th 22/23

6th = 6th 23/22

Primary drive = 21/78

Sprockets

Front = 14 Teeth

Rear = 52 Teeth

Overall Final Drive ratio = 14/52

Spark plug = NGK BR9ES/BR9EG/BR9EIX/BR8ES

Gap = .6-7 mm

Wheelbase = 55.354 in (1,406 mm)

Length = 79.68 in (2,024 mm)

Width = 80.511 in (2,045 mm)

Height = 32.677 in (830 mm)

Tires = Front: 100/80 - 17 inch; Rear: 130/70 - 17-inch

Restriction

Restriction varies depending on the country and dealer, person, or company the bike is purchased from. The engine is usually restricted in the following ways:

CDI unit restricted to 9,400 RPM

Carburetor

'Strangle' baffle/plate in Air filter manifold

[74 Main jet

Exhaust

Exhaust fume/pressure outlet pipes

Sprockets

Front; reduced to 11/53 12/53 or 14/54

External links

• Official website