Interesting Facts About the Buell XB12X Ulysses
The Buell XB12X Ulysses is a distinctive motorcycle powered by a fuel-injected Buell Thunderstorm 1203cc V-Twin engine. It has been produced in various iterations, including the XB12XT Ulysses model from 2009 to 2010, and is known for its solid handling on highways.
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A Dramatic Start Under New Ownership
When Harley-Davidson purchased Erik Buell's company in 1998, the first action taken was issuing a recall on every single bike built since 1994. This massive recall covered approximately 18,000 units, marking a significant early event in the brand's history under its new parent company.
Engine Performance and Tuning
The Ulysses features a fuel-injected Buell Thunderstorm 1203cc V-Twin engine that provides plenty of power for highway riding at 70 mph. Owners have noted that while the bike has some EFI issues attributed to EPA regulations, remapping the system can resolve these problems, similar to re-jetting a carburetor.
The Debate Over Exhaust Systems
There is a notable discussion among owners regarding the factory muffler, with some reporting that it runs the best and significantly reduces vibration at any RPM. While aftermarket exhausts are available, some owners seek direct bolt-on units that do not require other changes to the bike, highlighting the specific fitment considerations for the XB12X.
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Buell XB12X Ulysses Parts
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Last updated: 09.11.2026, 21:11
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