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Buehl

Aerocharger to help pump the XB Enduro-front fender that comes on the 83 ft·lbf (113 N·m) of peak torque but
horsepower to 150 hp (110 kW), but the XB12X and lower fork protection is not varies less than 6 ft·lbf (8.1 N·m) of
Aerocharger supplier deal fell through as pronounced as on the XB12X, due to torque from 3,000 to 10,500 rpm. There
when Harley Davidson decided to the intended purpose of the XB12XT is a vacuum assist slipper clutch to give
engineer one in house. That project was which is more street than dirt oriented. predictable drive performance in hard
a failure, despite “millions of dollars” Other major differences include the cornering and deceleration and a six-
spent. suspension which is completely different speed transmission.
between the two bikes, being about an
The first XB9 engines had a 985 cc inch lower on the XB12XT and tuned The Helicon engine was developed and
(60.1 cu in) displacement, the later more for street riding, vs. the XB12X’s built by BRP-Powertrain in Austria. The
XB12 engines had 1,203 cc (73.4 cu in). slightly taller and softer suspension design had significant Buell input and
was funded through
Before the first XB Buell’s cashflow.
was sold, the cost
was well over the The 1125R did not have
target, leading to a a full fairing, as that
sales price increase would have put it in the
from the original same class as
price of $7,995 to Japanese sportbikes.
$9,995. It was a Erik Buell agonized
popular bike, but over this, saying “it’s not
never sold at Harley about listening to the
marketing voice of the customer.”
department’s Cycle World magazine
expected volume, said the 1125R was “a
partly due to the bit of an oddity.” The
significantly higher bike was initially
price. released with a crude
spark map, leading to
Buell introduced the criticism of the bike at
XB frame in the low speeds. The Rotax
2002 Firebolt XB9R sportbike. The better tuned for dirt use. Along with Helicon also ended up costing
Firebolt XB12R was introduced in 2004 factory Hepco & Becker hard panniers significantly more by production time
and was initially sold alongside the and top box, tall windshield and a 30.9 due to fluctuation in exchange rates.
smaller displacement Firebolt XB9R. in (785 mm) seat height, the XB12XT
The Lightning came in 2003 and was also has wheels that are approximately 1125CR
marketed by Buell as a streetfighter 1 lb (450 g) lighter than those found on For the 2009 model year, Buell
motorcycle. the XB12X, which have added mass to introduced the 1125CR, a version of the
make them stronger for off paved road 1125R in the cafe racer style.[10][31]
Buell’s Ulysses XB12X debuted in July use.[30] The XB12XP is a police model This was done in response to customer
2005. It offers seating, ergonomics, and that was available for the 2009 model feedback, which said the 1125R wasn’t
long-travel suspension that are well- year. what was wanted, and causing Buell to
suited for use on unpaved and rough shelve plans for a Streetfighter, going for
(fire)roads. Buell advertised the Ulysses Buell 1125R a cafe racer instead. The 1125CR has a
as “the world’s first adventure In July 2007, Buell announced the longer swingarm, a longer wheelbase
sportbike.” For 2008, among other 1125R, a sport bike that departed from and a shorter secondary drive ratio.
changes, XBRR oil pump and ignition Buell’s history of using Harley-Davidson
timing systems have been changed Sportster based middle weight Racing - Buell XBRR
tapping into the XBRR race bike as well powertrains and tapping into the XBRR
as the addition of heated grips and racing bike learnings. The Rotax Helicon Buell XBRR
increased turning fork swing from 54° to powertrain uses four valves per cylinder, Buell also produced a limited series of
74°. The Ulysses XB12XT differs from dual over-head cam, liquid-cooled 72 50 XBRR (1,339 cc or 81.7 cu in, 150 hp
the Ulysses XB12X in several areas. It degree V-Twin displacing 1,125 cc and or 110 kW) racing-only machines for
has a different front fender, unlike the producing 146 hp (109 kW). It produces factory-backed and privateer racing