Dual clutch transmission for Honda VFR1200
Two auto modes and one manualHonda's much anticipated VFR1200 V-four machine will feature, according to the Japanese giant, the world's first fully automatic motorcycle dual clutch transmission for large-displacement sportsbikes.
The new transmission houses independent clutches employed for the odd gears (one, three and five) and the even gears (second, fourth and sixth) respectively.
The two clutches operate alternately to effect gear changes. For example, when changing from first to second gear, the computer detects the upshift and engages second gear, and then releases the first gear clutch while engaging the second gear clutch to achieve a seamless gear change.
In other words, there will be uninterrupted power flow to the engine, unlike a single clutch set-up.
The VFR1200 transmission is equipped with three operating modes: two fully auto (D for regular operation and S for sporty riding) and a six-speed manual, which delivers the same shift feel as a normal manual transmission.
Honda claims the transmission delivers fuel economy equal to or better than that of a manual transmission.
Honda intends to roll out the new transmission, which can be combined with existing engines without substantial layout modification, to more and more of its large-displacement motorcycles, particularly its sporting fare.
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