Erik Buell Racing 1125R DSB - Specifications & Review

1125R DSB

Article Complete Info

Articleid581507
CategorySport
MakeErik Buell Racing
Model1125R DSB
PriceUS$ 15900. Prices depend on country, taxes, accessories, etc.
Year2011

Chassis, Suspension, Brakes & Wheels

FrametypeLight alloy large section beam with integral fuel cell. Subframe: Light alloy tubular.
FrontbrakesDouble disc. Semi floating ISO multi-fin rotor with 8 piston ZTL2 caliper
Frontbrakesdiameter388 mm (15.3 inches)
FrontsuspensionShowa 47mm inverted fork with race cartridge, fully adjustable.
Fronttyre120/70-ZR17
Frontwheeltravel120 mm (4.7 inches)
Rake21.8°
RearbrakesSingle disc. Lightweight disc, 2 piston caliper
Rearbrakesdiameter205 mm (8.1 inches)
RearsuspensionLight alloy swingarm with Showa Race damper, adjustable compression, rebound and ride height.
Reartyre190/55-ZR17
Rearwheeltravel127 mm (5.0 inches)
WheelsFront 6 spoke ZTL, 3.50 x 17. Rear 6 spoke cast aluminum, 5.50 x 17.

Engine & Transmission

Borexstroke103.0 x 67.5 mm (4.1 x 2.7 inches)
ClutchMultiplate with vacuum operated slipper or optional mechanical slipper at extra charge
Compression12.6:1
Displacement1126.00 ccm (68.71 cubic inches)
Driveline520 Chain. Primary drive: Straight cut gear, 1.806 ratio.
EnginedetailsV2, four-stroke
Enginetype72 and #730; V-Twin
ExhaustsystemStainless steel ultralight 2 into 1 system.
FuelsystemInjection. IDS Technology DDFI 3 electronic fuel injection and engine management system, fully programmable, 61mm throttle bodies, single injector, PWM fuel pump
Gearbox6-speed
Power140.00 HP (102.2 kW)) @ 10800 RPM
Torque108.48 Nm (11.1 kgf-m or 80.0 ft.lbs) @ 8500 RPM
TransmissiontypefinaldriveChain
Valvespercylinder4

Other Specifications

ColoroptionsBlack/silver
CommentsRacing bike not legal for street usage. Adjustable rake and wheelbase.

Physical Measures & Capacities

Dryweight176.9 kg (390.0 pounds)
Fuelcapacity20.06 litres (5.30 gallons)
Powerweightratio0.7914 HP/kg

About Erik Buell Racing

Country of Origin: United States
Founder: Erik Buell
Best Known For: 1190RS/1190RX superbikes; American chassis innovation and racing programs

Company History

Erik Buell Racing (EBR) rose from the embers of the Buell brand after its closure under Harley-Davidson, carrying forward Erik Buell’s obsession with mass centralization and sharp geometry. The 1190RS limited-run homologation special and the more attainable 1190RX showcased what an American boutique sportbike could be: big-twin shove in a compact package, sophisticated electronics, and chassis feedback that rewarded committed riders. EBR fought above its weight in AMA and international series, iterating quickly on mapping, cooling, and aero while navigating the brutal economics of superbike racing. Supplier fragility and capital constraints ultimately forced restructurings, but the technical story remains compelling. Buell’s signatures—fuel-in-frame spar, perimeter front brake—continued to provoke conversation about unsprung mass, packaging, and the feel of a motorcycle steered on its contact patches rather than on electronic crutches. Historically, EBR matters because it kept alive a distinctly American voice in sportbike engineering: contrarian yet rigorous, willing to be judged at the racetrack rather than the boardroom. Even as the company’s fortunes waxed and waned, owners and racers speak of a riding experience that feels immediate and honest, a bike that seems to ask, “Did you mean that input?” and then rewards the rider who answers yes. In a world of globally optimized platforms, EBR’s audacity remains inspirational.

Other Years

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