KTM 640 Duke II Final Edition (2007)

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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

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