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Launched in year 2008, Thunderbird Twinspark is one of the most stylish bike intended for those who want and wish to be on top of the world. It is the first model that leads Royal Enfield revolutionary Unit Construction Engine...



  

The Royal Enfield Thunderbird Twinspark is the perfect example of unfolding mix of old and new. Its 346 cc engine, 4 stroke single cylinder air-cooled engine delivers maximum power of 19.8 bhp @ 5250 rpm capacity ensuring its smooth performance and constant vacuum (CV) carburetor assure its simple start. Delighting customers, this bike is absolute comfort statement for the passenger as well as rider. This bike is like a must-have for every rider and it is hard to beat in terms of pure riding pleasure and visual delight.


Special Features:

Incorporated with all latest and advanced features, this bike includes:
  • Ergonomically designed high density foam seats
  • Rear gas filled shock absorber
  • Heat shield on silencer
  • Bigger CV carburetor BS-29
  • Electric starter
  • Electronic flasher
  • Multi focal reflector
  • 280mm disc-front brake and 150mm drum-rear brake
  • Engine – Single cylinder, 4 Stroke, OHV, Dual spark ignition engine, aircooled
  • Power and Torque - 19.8 bhp @ 5250 rpm/28 Nm @ 4000 rpm
  • Fuel tank capacity – 15.5±1Liters
TECHNICAL SPECIFICATIONS OF THUNDERBIRD TWINSPARK


Engine
Engine
Single Cylinder, 4 Stroke, Ohv, Dual Spark Ignition Engine, Aircooled
Bore x Stroke mm/Displacement
70x90/346CC
Compression Ratio
8.5 : 1
Air Cleaner
Paper Element
Power & Torque
19.8 bhp @ 5250 rpm/28 Nm @ 4000 rpm
Engine Oil Grade / Qty
15W 50 API SL Grade / 2.75 Ltrs
Fd Sprocket
15 Teeth
Rear Wheel Sprocket
38 Teeth
Secondary Drive Ratio
2.533 : 1
Carburetor / Make
BS29 / UCAL
Electrical
Battery
12V, 14AH
Headlamp
12V, 35W/35W Halogaen, Mfr
Tail Lamp
12V 21/5W Mfr Lamp
Indicator
12V 10W Mfr Lamp
Ignition Coil
12mJ-2NOS
Spark Plug
W5DC-1 N0. UR5DC - 1 No.
E-start Starter Motor
0.7KW (Powder Coated)
Instruments
Tci Cluster (Fuel Gauge, Speedo, Rpm, Warning Indicator)
Magneto
18 Pole
VEHICLE
Fuel Tank Capacity
15.5±1Ltrs
Reserve Fuel Capacity
2 Ltrs
Suspensions

Front
Tele Scopic With Hydraulic Damping. Stroke 130mm.
Rear
Swingarm With Gas Shock Absorbers
Brakes
Front
Hydraulic Disc Brake (Disc dia 280mm)
Rear
Mechanical, Drum Brake, Single Lead (Dia 152.4 mm or 6" drum brake)
Tyres
Front
3.25x19", 6/4PR
Rear
3.5X19", 6/4PR
Wheel Base
1370mm
Overall Length
2120mm
Overall Width
780mm
Overall Height
1080mm
Min Ground Clearance
135mm
Seat Height/Saddle Height
770mm
Weight (Kerb)
182 Kg
Source: http://www.royalenfield.com/

 

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