The KTM 640 Duke II Final Edition was a motorcycle model released in 2007. It had a four-stroke, single-cylinder engine with a capacity of 624.6 cc and a maximum power output of 40.1 kW at 7000 RPM. The bike’s frame was made of central chrome-moly steel and it had a front suspension with a preload, compression and rebound adjustable shock absorber with 140mm of travel, and rear suspension with a central shock absorber with PRO-LEVER linkage that had 170mm of travel. The front and rear brakes were a 320mm single-disc and 220mm single-disc respectively. The bike’s top speed was 162 km/h and it could do a standing 1/4 mile in 12.5 seconds. The dry weight of the motorcycle was 145 kg and it had a fuel capacity of 11.3 L. It came with both electric and kick start options and had a 5-speed transmission with straight cut gears. The bike’s final drive ratio was 17:38 with a chain O-ring 5/8 x 1/4″. The KTM 640 Duke II Final Edition was a unique and powerful motorcycle model.
Technical specifications:
Make Model: KTM 640 Duke II
| Year | 2007 |
|---|---|
| Engine | Four stroke, single Cylinder. SOHC, 4 valves, engine balancer |
| Capacity | 624.6 cc / 38.1 cu in |
| Bore x Stroke | 101 x 78 mm |
| Compression Ratio | 11.5:1 |
| Cooling System | Liquid cooled |
| Lubrication | 2 x Eaten oil pumps |
| Induction | Mikuni BST 40 carburetor |
| Ignition | Kokusan contactless DC-CDI ignition with advanced system |
| Starting | Electric & kick |
| Spark Plug | NGK DRBEA |
| Battery | 12V 8Ah, maintenance free |
| Max Power | 40.1 kW / 55 hp @ 7000 rpm |
| Max Torque | 60 Nm / 6.1 kgf-m / 44.3 lb-ft @ 5500 rpm |
| Clutch | Multi-disc in oil bath |
| Transmission | 5 Speed |
| Primary Drive Ratio | 30:81, straight cut gears |
| Gear Ratios | 1st 14:35 / 2nd 15:24 / 3rd 18:21 / 4th 20:19 / 5th 22:18 |
| Final Drive Ratio | 17:38 |
| Final Drive | Chain, O-ring 5/8 x 1/4″ |
| Frame | Central chrome-moly steel frame |
| Front Suspension | WP – 4054 Roma Top adjuster, preload, compression and rebound adjustable |
| Front Wheel Travel | 140 mm / 5.5 in |
| Rear Suspension | Central shock absorber WP IBS with PRO-LEVER linkage to rear- swing-arm with needle bearing |
| Rear Wheel Travel | 170 mm / 6.7 in |
| Front Brakes | Single 320 mm disc, 4 piston caliper |
| Rear Brakes | Single 220 mm disc, 1 piston caliper |
| Front Tyre | 120/70 – ZR17 58H |
| Rear Tyre | 160/60 – ZR17 69H |
| Steering Head Angle | 62.5o |
| Wheelbase | 1460 mm / 57.5 in |
| Ground Clearance | 250 mm / 9.9 in |
| Seat Height | 860 mm / 33.9 in |
| Dry Weight | 145 kg / 320lbs |
| GVWR | 350 kg / 773 lbs |
| Engine Oil Capacity | 2.2 L / 2.3 US qt / 1.9 Imp qt |
| Fuel Capacity | 11.3 L / 3.0 US gal / 2.4 Imp gal |
| Standing 1/4 Mile | 12.5 sec |
| Top Speed | 162 km/h / 101 mph |
