2017 Norton V4 RR And SS Announced
Norton Motorcycles announced a new 1200cc carbon-clad sportbike, claiming a maximum output of more than 200 hp and a dry weight of 395 pounds. The V4 RR is priced at £28,000 (US$34,777) while a special edition V4 SS version is valued at an even more posh £44,000 (US$54,651).
The engine is a 72-degree V-4 with an 82mm bore and 56.8mm stroke. Peak power arrives at 12,500 rpm while torque tops out at 95.9 lb-ft. at 10,000rpm. Speaking with Britain’s MCN, Norton designer Simon Skinner says the company initially wanted a 90-degree V configuration to avoid the need for a balancer shaft but the 72-degree angle was a better fit for the V4 RR’s chassis geometry. Skinner also says the engine is about the same size as the Aprilia’s 65-degree V-4 used on the RSV4 as well as Norton’s own Isle of Man TT racer.
The ride-by-wire throttle system allows for three engine mappings: Road, Sport and Pro-Race. The V4 RR also comes with a six-axis Inertial Measurement Unit and an electronics package including traction control, wheelie control, launch control and cruise control. The V4 RR also comes with both a slipper clutch and a quickshift system.
The engine is mounted to an aluminum twin-tube chassis. The chassis offers swingarm pivot and rake angle adjustments.
Öhlins provides its NIX30 fork and TTXGP rear shock, both fully-adjustable. Brembo M50s clamp down on the twin 330mm front disc rotors. There’s no mention of ABS however.
Both the RR and SS versions come with carbon fiber bodywork, with the RR receiving a chrome-like paint finish resembling Norton’s TT racer. The SS version comes in a bare carbon fiber finish with matching carbon BST wheels. BST also produced the V4’s carbon fiber fuel tank, which has been reinforced with kevlar and chemically treated to safely hold gasoline.
Norton is only producing 200 versions of the V4 SS, and they have already all been claimed. Norton is still, however, accepting orders for the V4 RR.
| 2017 Norton V4 RR Specifications | |
|---|---|
| Engine type | Norton 72-degree liquid-cooled V-4. Chain-driven cams with idler gear for reduced engine height. Titanium inlet valves. Slipper clutch. |
| Displacement | 1200cc |
| Bore x Stroke | 82mm x 56.8mm |
| Compression ratio | 13.6:1 |
| Power | 200+ hp at 12,500rpm |
| Torque | 95.9 lb-ft. at 10,000rpm |
| Cooling system | Liquid-cooled |
| Euro 4 | Full compliance including oil thermostat, knock sensors, secondary air injection and EVAP |
| Fuel injection | Electronic fuel-injection system. Constantly variable inlet tracts. 8-fuel injectors. Full drive-by-wire system independent of front and rear banks of cylinders for ultimate control and feel |
| Instruments: | Full-colour 7-inch HD display with multiple functions. Engine mode adjustability including: Road, Track, and Pro-Race |
| Quickshift: | Full quickshift system and auto down blipper |
| Electronic aids: | Multi-setting traction-control, wheelie control, launch control and cruise control. Uses six-axis Inertial Measurement Unit (IMU) |
| Built-in dataloggers: | Full data-logging capability including: lap times, max lean angle, max speed, max throttle and max braking force |
| Engine modes: | Road, Sport, Pro-Race |
| Ignition: | Keyless ignition system |
| Lighting: | Full LED lighting system including super bright low beam & high beam, angel eye DRLs, rear lamps and indicators |
| Frame | Aluminum twin tube shotgun chassis, cast outriggers and headstock, polished tubes. (tbc). Engine acts as a structural member |
| Adjustable geometry: | Chassis is fully-adjustable including swingarm pivot and adjustable rake angle. 23.9 degree steering head angle as standard set-up |
| Swingarm: | Braced and underslung single-sided cast swingarm. 570mm long, design developed in conjunction with SG5 TT race bike |
| Front suspension: | Ohlins NIX30 system front fork. Fully-adjustable |
| Rear suspension: | Ohlins TTXGP Norton bespoke fully-adjustable rear shock |
| Steering damper: | Ohlins damper |
| Fork yokes: | Billet machined |
| Front wheel: | Forged Aluminum |
| Rear wheel: | Forged Aluminum |
| Front brake: | 2 x 330mm full-floating discs. Radially-mounted Brembo monobloc calipers. Brembo discs and Brembo master cylinder |
| Rear brake: | Single 245mm disc. Brembo caliper and master cylinder |
| Wheelbase: | 1430mm |
| Dry weight: | 395 pounds (claimed) |
| Bodywork: | Full carbon-fiber |
| Fuel tank: | Underseat MotoGP-style 4.8-gallon fuel tank is all carbon-fiber, with Kevlar reinforcement and chemically coated internally to meet fuel resistance standards |
| Footrests: | Forged footrests, footplates and carbon heel guard. Cast sprocket cover |
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