Engineering:Derbi Senda 50

Derbi Senda Angeldinamo

Derbi de Angel el chulo
Manufacturer	Derbi
Also called	Gilera SMT/RCR
Parent company	Piaggio
Production	1995 – 2023
Class	SuperMotard
Engine	50 cc (3.1 cu in) liquid cooled, two stroke single cylinder
Compression ratio	11.5:1
Transmission	6 speed
Related	Derbi Senda SM 50, Gilera SMT, Gilera RCR & Aprilia SX50

The Derbi Senda SM 50 is a 50 cc motorcycle 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. 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.

Fuel capacity: 7.45 liters

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 PVHA 17.5 mm

Main jet = 85

Needle Jet = A13, notch #2

Idle jet = 30

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:

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 14/53