The Thunderbird Twinspark was the first model to feature Royal Enfield’s revolutionary Unit Construction Engine.All the well loved features of the Thunderbird have been retained and enhanced in some cases. Also, the twin benefit of improved engine performance and efficiency makes this motorcycle hard to beat in terms of pure riding pleasure as well as visual delight. The evolutionary mix of old and new features in this motorcycle sets it apart and makes it special for its owners.

ENGINE

Type : Single Cylinder, 4 stroke, Twinspark

Displacement : 346cc

Bore x stroke : 70mm x 90mm

Compression Ratio : 8.5 : 1

Maximum Power : 19.8 bhp @ 5250 rpm

Maximum Torque : 28Nm @ 4000 rpm

Ignition System : Transistorised Coil Ignition

Clutch : Wet, multi-plate

Gearbox : 5 Speed Constant Mesh

Lubrication : Wet sump

Engine Oil : 15 W 50 API, SL Grade JASO MA

Fuel Supply : UCAL 29mm, Constant Vacuum Carburettor

Air Cleaner : Paper Element

Engine Start : Electric/Kick

CHASSIS & SUSPENSION

Type : Single downtube, using engine as stressed member

Front suspension : Telescopic, 35mm forks, 130mm travel

Rear suspension : Twin gas charged shock absorbers with 5-step adjustable preload, 80mm travel

BRAKES and TYRES

Tyres Fr. : 3.25 x 19

Tyres Rr. : 3.50 x 19

Brakes Front : 280mm Disc, 2-Piston caliper

Brakes Rear : 153mm Drum, Single Lead Internal Expanding

DIMENSIONS

Wheelbase : 1370 mm

Ground Clearance : 135 mm

Length : 2150 mm

Width : 820 mm

Height : 1210 mm

Kerb Weight : 187 Kg (with 90% Fuel & Oil)

Fuel Capacity : 13.5 Ltr

ELECTRICALS

Electrical System : 12 volt - DC

Battery : 12 volt, 14 Ah

Head Lamp : 35 W / 35 W, HALOGEN

Tail Lamp : 21 W / 5 W

Turn Signal Lamp : -