690 DUKE: THE ESSENCE OF MOTORCYCLING
Colours:
ENGINE
| Design | Single-cylinder, 4-stroke, spark-ignition engine, liquid-cooled |
|---|---|
| Displacement | 690 cm³ |
| Bore | 102 mm |
| Stroke | 84.5 mm |
| Performance | 50 kW (67 hp) |
| Starting aid | Electric starter, automatic decompressor |
| Transmission | 6-speed, claw shifted |
| Engine lubrication | Semi-dry-sump lubrication with 2 rotor pumps |
| Primary gear ratio | 36:79 |
| Secondary gear ratio | 16:40 |
| Cooling system | Liquid cooling system, continuous circulation of cooling liquid with water pump |
| Clutch | APTC™ Anti-hopping clutch / hydraulically operated |
| Ignition system | Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment |
CHASSIS
| Frame | Tubular space frame made from chrome molybdenum steel, powder-coated |
|---|---|
| Fork | WP Suspension 4357 |
| Shock absorber | WP Suspension 4618 EM with Pro‑Lever linkage |
| Suspension travel front | 135 mm |
| Suspension travel rear | 135 mm |
| Brake system front | Disc brake with radially mounted four-piston brake caliper; floating brake disc |
| Brake system rear | Disc brake with single-piston brake caliper, floating |
| Brake discs – diameter front | 320 mm |
| Brake discs – diameter rear | 240 mm |
| Chain | 5/8 x 1/4” X‑Ring |
| Steering head angle | 63.5° |
| Wheel base | 1,466±15 mm |
| Ground clearance (unloaded) | 192 mm |
| Seat height (unloaded) | 835 mm |
| Total fuel tank capacity approx. | 13.8 l Unleaded premium fuel (95 RON) |
| Weight without fuel approx. | 150 kg |