Norton V4 RR & SS (2017) vs Norton Mercury 650 (1968-70) vs Norton Commando 961 Café Racer MKII (2016-17)
Comparison technical specifications
Add bike |
Remove bike |
Remove bike |
Remove bike |
| Make: | Norton | Norton | Norton |
| Model: | V4 RR & SS | Mercury 650 | Commando 961 Café Racer MKII |
| Years: | 2017 | 1968-70 | 2016-17 |
| Engine: | Four stroke, 72 ° V-four cylinder, Chain-driven cams with idler gear for reduced engine height. Titanium inlet valves. Slipper clutch | Four stroke, parallel twin | Four stroke, parallel twin with push-rod valve actuation, 3 bearing crank balancer shaft, 2 valves per cylinder |
| Bore x Stroke: | 82mm x 56.8mm | 68 x 89 mm | 88 x 79 mm |
| Compression Ratio: | 13.6:1 | 9.0:1 | 10.1:1 |
| Cooling System: | Liquid-cooled | Air cooled | Air cooled |
| Induction: | 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 | Single concentric carburetor, Amal | Fuel injected |
| Ignition: | Keyless ignition system | Coil capacitor | Electronic |
| Starting: | Electric | Kick | Electric |
| Max Power: | 200 hp / 149 kW @ 12,500 rpm | 35 kW / 47 hp | 59.7 kW / 80 hp @ 6500 rpm |
| Transmission: | Full quickshift system and auto down blipper | 4-Speed | 5 Speed, constant mesh |
| Final Drive: | Chain | Chain | Chain, 525 "O" ring |
| Front Suspension: | Ohlins NIX30 system front fork. Fully-adjustable. Fork yokes - Cast top and bottom | Telescopic fork | Ø43 mm Öhlins USD, adjustable preload, compression, and rebound damping. |
| Rear Suspension: | Ohlins TTXGP Norton bespoke fully-adjustable rear shock. Fork yokes - Billet machined | Swingarm, plungers | Öhlins reservoir-style twin shocks, adjustable ride height, preload, compression, and rebound damping. |
| Front Brakes: | 2 x 330mm full-floating discs. Radially-mounted Brembo monobloc calipers. Brembo discs and Brembo master cylinder | Drum, twin leading shoe | Brembo 2 x Ø320 mm fully-floating high carbon stainless steel discs, 4 piston Brembo radially mounted calipers. Brembo front brake master cylinder with integral reservoir |
| Rear Brakes: | Single 330mm disc. Brembo caliper and master cylinder | Drum | Brembo single Ø220 mm disc, 2 piston caliper. Brembo rear brake master cylinder |
| Dry Weight: | 179kg / 395 lbs | 185 kg / 408 lbs | 188 kg / 415 lbs |