Royal Enfield Thunderbird Twinspark
The dreary general quality, the heavy price tag and the out-of-date technology make sure you do not buy this bike by using your head
Published on Sep 29, 2009 07:00:00 AM
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The all-new engine has twin-spark plugs, an automatic decompression facility and unit-construction that the company claims has answered the crisis of oil discharge, a key problem with the old engine. Although a lot does stay alike, other important changes contain a high-flow trichoidal oil pump, hydraulic tappets, an automatic primary chain tensioner and the drive chain assembly shifted to the right side in order to reduce transmission loss. The Twinspark benefits from TCI ignition for a fine spark. You get 2bhp more, for a figure of 19.8bhp, and 2.85kgm of torque, which is a insignificant 0.1kgm more than the older version.
Start it and you instantly notice a smoother feel near idle. The handlebars don’t judder in your hands just yet. Select first gear and as you let the clutch out, it feels a bit improved. A six-plate clutch instead of four makes the difference. As you hasten through the gears, this smoothness unfortunately diminishes however, to be replaced with Royal Enfield characteristic vibrations, Which is where it goes from bad to worse, and it’s apparent that thrashing the engine is not the way to ride this bike.
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