Expect a nice rush of power at around 6,650 RPM as the intake funnels shrink to their shortest length, which is sort of an electronic version of the iconic V-Boost from the original edition. To unleash the formidable amount of acceleration, the 2009 VMax has been equipped with Yamaha's YCC-T chip-controlled throttle opening up 48mm throttle bodies to go along with a YCC-I chip-controlled intake. The intake system has switchable funnel lengths from tall (150mm) to short (54mm) at 6650 rpm. According to Star the response of the fly-by-wire throttle system is instantaneous.
The VMax first came on the market in 1985. It's received only minor updates and color changes in the years since. But for 2009, Star has gone all out, outfitting the bike with fuel injection, anti-lock brakes and many of the same MotoGP-derived technologies it uses on its supersport models, i.e. a slipper clutch and computer-controlled throttle and intake systems to deliver power more responsively. The chassis has also been updated with an all-aluminum frame that uses the engine as a stressed member and jacked-up components that can handle some major thrashing, i.e. 52 mm titanium-coated fork tubes and 6-piston-caliper, 320 mm wave rotor brakes on the front.
Source: CarNoise
Photos: Yamaha's 2009 Star VMax Photos
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