2004 Honda Valkyrie Rune Cruiser on 2040-motos

Honda Valkyrie tech info

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Honda’s V-4 History

As Honda prepares its new VFR1200 for its official unveiling, the red-wing company has set up a website detailing its long involvement in V-4 engines. It began back in 1979 with the introduction of the NR500 grand prix racebike. Rather than fielding a 500cc two-stroke engine, Honda used a four-stroke oval-piston V-4 motor – essentially a V-8 with four cylinders that could be revved to 19,500 rpm!

Report: Dorna to Replace Superstock Classes with More Stock-Inspired WSBK and New 250cc Class

The coming World Superbike racing season may be the last to feature Superstock classes as series promoter Dorna tries to differentiate its WSBK and MotoGP properties. According to Italian outlet Motosprint, Dorna plans to rewrite the World Superbike and Supersport class rulebooks for the 2014 season to make the race bikes closer to their respective production models. This would create further separation between WSBK and MotoGP, with Superbike racing moving closer to its production-based roots while prototypes racing in the GP series.

EICMA 2013: 2014 Honda VFR800F

Gracing the new 2014 VFR800F is traction control, ABS, heated grips, adjustable seat height and self-canceling blinkers. The V-Four-powered machine has been re-tuned  for greater low and mid-range torque, and also receives a new telescopic fork, Pro-arm swingarm, wheels, new, slimmer bodywork and styling. Starting with the 782cc V4-VTEC engine, Honda engineers focused mainly on cam timing and valve duration/overlap to increase low-to midrange power and torque, claiming 104.5 hp @ 10,250 rpm and 55.4 ft-lbs of torque @ 8,500 rpm. Bore and stroke is 72mm x 48mm, with compression ratio of 11.8:1. VTEC valve timing still operates one pair of inlet/exhaust valves per cylinder at low rpm, and then switches to four as revs rise. Honda’s single-mode Traction Control System (TCS) is fitted as standard equipment and is operated from the left handlebar.