| Attribute | Norton V4 RR 2020 × | Erik Buell Racing 1125RR ASB 2011 × |
|---|---|---|
| General | ||
| Production from (year) | 2020 | 2011 |
| Make | Norton | Erik Buell Racing |
| Model | Norton V4 RR | Erik Buell Racing 1125RR ASB |
| Category | Sport | Sport |
| Engine and transmission | ||
| Engine type | V4, four-stroke | V2, four-stroke |
| Valves per cylinder | - | 4 |
| Fuel system | Injection. Electronic fuel-injection system. Constantly variable inlet tracts. 8-fuel injectors | Injection |
| Engine details | - | 72 and #730; V-Twin. Titanium valves, 42.0mm intake, 35.4 mm exhaust |
| Displacement (cm³) | 1,200 | 1,126 |
| Power (kw) | 146 | 124.1 |
| Cooling system | Liquid | - |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | 130 | 116.6 |
| Bore (mm) | 82 | 103 |
| Stroke (mm) | 56.8 | 67.5 |
| Gearbox | - | 6-speed |
| Fuel control | - | Double Overhead Cams/Twin Cam (DOHC) |
| Emission details | Euro 4 | - |
| Driveline | - | 520 Chain. Primary drive: Straight cut gear, 1.806 ratio. |
| Clutch | Slipper clutch | Multiplate Mechanical Slipper |
| Compression | 13.6:1 | 14.3:1 |
| Exhaust system | - | Stainless steel ultralight 2 into 1 system. |
| Chassis | ||
| Front suspension | Ohlins NIX30 system front fork. Fully-adjustable rear suspension | Showa Race 43mm inverted fork, fully adjustable with BPF technology providing true separation of rebound and compression damping. |
| Rear suspension | Ohlins TTXGP Norton bespoke fully-adjustable rear shock | Light alloy swingarm with Showa Race damper, adjustable compression, rebound and ride height. |
| Front brakes | Double disc. Full-floating discs. Radially-mounted Bremb Monobloc calipers. Brembo discs and Brembo master cylinder | Double disc. Semi floating ISO multi-fin rotor with 8 piston ZTL2 caliper |
| Rear brakes | Single disc. Brembo caliper and master cylinder | Single disc. Lightweight disc, 2 piston caliper |
| Diameter (mm) | 245 | 205 |
| Frame type | Aluminium twin tube shotgun chassis | Light alloy large section beam with integral fuel cell. Subframe: Light alloy tubular. |
| Front tyre | - | 120/70-ZR17 |
| Rear tyre | - | 190/55-ZR17 |
| Wheels | - | Front 6 spoke ZTL magnesium, 3.50 x 17. Rear 6 spoke magnesium, 6.00 x 17. |
| Front wheel travel (mm) | - | 120 |
| Rear wheel travel (mm) | - | 127 |
| Rake (fork angle) (degree) | - | 21 |
| Other | ||
| Starter | Electric | - |
| Color options |
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| Light | LED lighting | - |
| Dimensions | ||
| Wheelbase (mm) | 1,430 | 1,400 |
| Dry weight (kg) | 179 | 166 |
| Power/weight ratio | 0.8156 | 0.7436 |
| Performance | ||
| Fuel capacity (l) | 18 | 17.41 |