Royal Enfield Thunderbird

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Royal Enfield Thunderbird 500
Royal Enfield Thunderbird
Manufacturer Royal Enfield Motors
Parent company Eicher Motors
Production 2000–
Class Cruiser
Engine 499 cc, single cylinder, 4-stroke, OHV, SI Engine
Ignition type Digital dual spark ignition, Transistor Controlled Ignition(TCI) system
Transmission 5-speed Constant Mesh
Brakes Front - 280 mm Ventilated disc, 2-piston calliper; Rear - 240 mm Ventilated disc, single piston caliper
Wheelbase 1,370 mm (54 in)

The Royal Enfield Thunderbird is a cruiser style motorcycle produced by Royal Enfield Motors in India. It was introduced in 2000 with an AVL lean burn engine and five-speed gearbox. It is an Indian market model that has never been exported. In 2009, the AVL semi-unit engine was replaced with the new 346 cc unit construction engine (UCE). The bike was renamed Thunderbird Twinspark owing to the twin sparkplugs in the UCE. Other parts have seen only minimal changes from the original Thunderbird. The final drive chain is moved to the right side and it is the most obvious change from the old model apart from the new engine.

Thunderbird 350 and 500[edit]

Royal Enfield Thunderbird First Model

In October 2012, Royal Enfield launched the new 350 cc and 500 cc variants of the Thunderbird with a facelift.[1][2] It features front and rear disc brakes, a 20 L (4.4 imp gal; 5.3 US gal) teardrop shaped fuel tank, a split seat, digital speedometer console and fuel gauge, projector headlamps, LED tail lights and various cosmetic improvements over the 350 cc. Thunderbird 500 gets fuel injection system while Thunderbird 350 operates on carburetor.


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