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Ducati Streetfighter S
Ducati Streetfighter S - Stripped-Down
Superbike
A naked 1098 would be a handful. Track-ready
geometry wouldn't agree with the new weight distribution dictated by the upright
riding position. Recognizing this, Ducati drafted a new steel-trellis frame with
1.1 degrees more rake and .7 inches more trail to slow steering response and
increase stability. A 1.4-inch-longer swingarm stretches the wheelbase to 58.1
inches--one inch longer than the Monster 1100, and 1.8 inches longer than the
1098 Superbike--to further improve stability and keep the front wheel down.
One component not diluted from Superbike spec is the
engine. Consisting of a 1098 top end grafted onto the latest vacuum die-cast
crankcases from the 1198, this motor is 7 pounds lighter than that of the 1098,
and produces a claimed 155 horsepower. That's just 5 bhp less than the 1098, due
to necessary intake and exhaust reconfigurations. Cam timing is the same, as are
ECU settings metering the 60mm elliptical throttle bodies.
Track sessions were announced with System of a Down's brutal song "ATWA" blaring from stadium-sized speaker stacks arranged on pit row--this was not your typical press launch. With music to set the mood, the first impression upon settling into the tall, 33-inch saddle and grasping the high, wide bar is "hooligan." Exiting pit lane you perceive the first difference: Unlike other naked bikes, steering is heavy, with noticeable resistance from the non-adjustable, top-mounted hydraulic steering damper. Spastic speed-metal soundtrack aside, this is not a twitchy bike.
That unexpected stability initially makes going fast on the Streetfighter an act
of faith. Other nakeds often exhibit over-sensitive handling, especially at high
speed, as high-leverage handlebars tend to amplify even the smallest inputs. Not
the Ducati, and because this feels so unusual, you have to talk yourself into
trusting the Streetfighter not to misbehave--especially when the low-mounted
footpegs kiss the pavement in one of Ascari's two 140-mph sweepers. But both
high-speed and mid-corner stability are rock-solid on the Streetfighter, even in
the extreme 40-mph crosswinds whipping off the mountains that day.
Brakes are Brembo Monoblocs lifted directly from the
latest 1198, though without the almost-overwhelming initial bite associated with
the Superbike--curious, as the pad compound hasn't changed. There's still enough
stopping force available to load the firm and responsive Ti-nitride-coated
Öhlins fork, however. This top-notch hardware lets you push the front end harder
than you'd imagine on such an upright bike, until the limiting factor becomes
front-tire grip from the street-spec Pirelli Diablo Corsa III. But even if
front-end feedback doesn't match that of the Superbike, this naked bike has
enough chassis potential to actually exploit the added grip of a DOT race tire.
It's worth manipulating the traction control, since wheelspin - and wheelies
- are
a near constant with the powerful Streetfighter. Initial throttle inputs can be
abrupt, not due to tuning hiccups (the Marelli ECU performs flawlessly), but
because the torque hits so hard even at very low revs that the bike lurches
forward. Geared identically to the Superbike, power swells uninterrupted right
up to the 10,700-rpm redline, where the businesslike rev limiter butts in. With
such a quick-revving motor, you'll bump the limiter often if you're not paying
close attention. Exercising the Streetfighter S at Ascari certainly was entertaining, and the bike circulated better than any naked upright with the word "street" in its name should be expected to. But the new machine really ought to shine on the street. In fact, the Streetfighter has the potential to be Ducati's most entertaining streetbike yet. There's no comparison with the Monsters--the Streetfighter is a full 22 lbs. lighter and 25 bhp stronger than last year's top-of-the-line, Testastretta-powered S4Rs, and it's more comfortable too. With essentially the same performance as the 1098 in a much more accessible and user-friendly package, there's no reason to choose the Superbike unless you're a track fiend.
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Any corrections or more information on these motorcycles will be kindly appreciated. |