14 August. Friday 2026
Erik Buell Racing 1125RR ASB - 2011 Specifications and Reviews
The 2011 Erik Buell Racing 1125RR ASB is a lightweight sport bike engineered for aggressive road riding and track use. Powered by a compact 1126cc 72-degree V-Twin producing 170 horsepower, it delivers sharp handling and responsive performance. Best known for its innovative DDFI 3 fuel injection system and race-derived engineering, it appeals to riders seeking an unconventional alternative to traditional four-cylinder sportbikes.
2011
General information | |
| Category | Sport |
| Year | 2011 |
| Model | Erik Buell Racing 1125RR ASB |
| | |
Engine and Transmission Specifications | |
| Exhaust system | Stainless steel ultralight 2 into 1 system. |
| Driveline | 520 Chain. Primary drive: Straight cut gear, 1.806 ratio. |
| Clutch | Multiplate Mechanical Slipper |
| Transmission type,final drive | Chain |
| Gearbox | 6-speed |
| Fuel control | DOHC |
| Fuel system | Injection. IDS Technology DDFI 3 electronic fuel injection and engine management system, fully programmable, 61mm throttle bodies, single injector, PWM fuel pump |
| Valves per cylinder | 4 |
| Bore x stroke | 103.0 x 67.5 mm (4.1 x 2.7 inches) |
| Compression | 14.3:1 |
| Torque | 116.62 Nm (11.9 kgf-m or 86.0 ft.lbs) @ 10000 |
| Power | 170.00 |
| Engine details | 72 and #730; V-Twin. Titanium valves, 42.0mm intake, 35.4 mm exhaust |
| Engine type | V2, four-stroke |
| Capacity: | 1126.00 ccm (68.71 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Wheels | Front 6 spoke ZTL magnesium, 3.50 x 17. Rear 6 spoke magnesium, 6.00 x 17. |
| Rear brakes diameter | 205 mm (8.1 inches) |
| Rear brakes | Single disc. Lightweight disc, 2 piston caliper |
| Front brakes diameter | 388 mm (15.3 inches) |
| Front brakes | Double disc. Semi floating ISO multi-fin rotor with 8 piston ZTL2 caliper |
| Rear tyre dimensions | 190/55-ZR17 |
| Front tyre dimensions | 120/70-ZR17 |
| Rear suspension travel | 127 mm (5.0 inches) |
| Rear suspension | Light alloy swingarm with Showa Race damper, adjustable compression, rebound and ride height. |
| Front suspension travel | 120 mm (4.7 inches) |
| Front suspension | Showa Race 43mm inverted fork, fully adjustable with BPF technology providing true separation of rebound and compression damping. |
| Rake (fork angle) | 21.0° |
| Frame type | Light alloy large section beam with integral fuel cell. Subframe: Light alloy tubular. |
Physical measures and capacities | |
| Fuel capacity | 17.41 litres (4.60 gallons) |
| Wheelbase | 1,400 mm (55.1 inches) |
| Power/weight ratio | 1.0185 HP/kg |
| Dry weight | 166.9 kg (368.0 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Color options | White |
| Electrical | Buell Li-tech Lithium Nanotech Battery |
Performance Profile & Rider Fit
170 hp
Peak Power
2.9s
0-60 mph
Best For
Track97%
City25%
Cornering96%
Daily Riding20%
Touring20%
Passenger10%
Rider Profile
| Best For | This is a race-bred homologation special meant for experienced or expert riders comfortable with extreme power delivery and aggressive geometry. |
| Purpose | Built primarily for track days and high-performance cornering rather than everyday transportation. |
| Rider Fit | Demands a fit, committed rider able to handle an aggressive forward-leaning stance, high footpegs, and firm suspension over long stints. |
| Character | A rare, fiery American V-twin superbike with exotic mass-centralized engineering, exceptional power-to-weight, and a fierce, uncompromising personality. |
| Not Ideal For | Not suitable for beginners, commuters, passengers, or anyone seeking comfort, storage, or relaxed long-distance touring. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Rider Reviews
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