KTM 640 Duke II (2007)

KTM 640 Duke II (2007)

The KTM 640 Duke II is a supermotard-styled bike that embodies the perfect blend of agility, power, and style. Its 624cc single-cylinder four-stroke engine boasts an impressive 41kW (55bhp) of power and 47 Nm of torque, making it a thrill to ride on twisty city streets or mountain passes.

The 640 Duke II’s lightweight chassis, weighing in at just 145kg, is perfectly complemented by its WP upside-down forks and WP monoshock, providing exceptional handling and control. The bike’s braking system is equally impressive, featuring a massive 320mm front brake disc and single four-piston Brembo racing caliper, ensuring razor-sharp stopping power.

On the road, the KTM 640 Duke II is a masterclass in riding dynamics, with its quick steering, long travel suspension, and incredible brakes making it a joy to navigate even the tightest of corners. Whether you’re carving through mountain hairpins or threading through city streets, this bike is sure to deliver an unforgettable riding experience. The KTM 640 Duke II is a true riding enthusiast’s dream machine.

Key Specifications

Engine TypeFour stroke, single Cylinder. SOHC, 4 valves, engine balancer
Engine Capacity624.6 cc / 38.1 cu in
Max Power40.1 kw / 55 hp
Max Torque60 Nm / 6.1 kgf-m / 44.3 lb-ft @ 5500 rpm
Fuel Tank Capacity11.3 L/ 3.0 US gal / 2.4 Imp gal
Seat Height33.9 inches / 860 mm
KTM 640 Duke II (2007)

All Specifications

Make & Model

ModelKTM 640 Duke II
Year2007

Engine

Engine TypeFour stroke, single Cylinder. SOHC, 4 valves, engine balancer
Displacement624.6 cc / 38.1 cu in
Bore x Stroke101 x 78 mm
Compression Ratio11.5:1
Max Horsepower40.1 kw / 55 hp
Max Torque60 Nm / 6.1 kgf-m / 44.3 lb-ft @ 5500 rpm
Engine Management SystemMikuni BST 40 carburetor
Lubrication System2 x Eaten oil pumps
Cooling SystemLiquid cooled

Performance

Top Speed162 km/h / 101 mph

Transmission

ClutchMulti-disc in oil bath
Gearbox5 Speed
Primary Drive Ratio30:81, straight cut gears
Gear Ratios1st 14:35 / 2nd 15:24 / 3rd 18:21 / 4th 20:19 / 5th 22:18
Final DriveChain, O-ring 5/8 x 1/4″

Electrical & Electronics System

Battery12V 8Ah, maintenance free
StarterElectric & kick

Chassis & Suspension

Frame TypeCentral chrome-moly steel frame
Front SuspensionWP – 4054 Roma Top adjuster, preload, compression and rebound adjustable
Rear SuspensionCentral shock absorber WP IBS with PRO-LEVER linkage to rear- swing-arm with needle bearing
Trail62.5o

Wheels & Brakes

Front Tire Size120/70 – ZR17 58H
Rear Tire Size160/60 – ZR17 69H
Front BrakesSingle 320 mm disc, 4 piston caliper
Rear BrakesSingle 220 mm disc, 1 piston caliper

Dimension & Weights

Seat Height33.9 inches / 860 mm
Wheelbase57.5 inches / 1460 mm
Ground Clearance250 mm / 9.9 in
Fuel Tank Capacity11.3 L/ 3.0 US gal / 2.4 Imp gal
Dry Weight145 kg / 320lbs

Features

  • Four-stroke, single-cylinder engine
  • SOHC engine design
  • 4 valves
  • Engine balancer
  • 610cc single-cylinder engine
  • 624cc version of the old four-valve engine
  • 41kW (55bhp) power
  • 145kg (3201b) mass
  • Steel-tube cradle chassis
  • WP upside-down forks
  • WP monoshock
  • BBS 43cm (17in) cast wheels
  • Grippy sportsbike tyres
  • 320mm (12.6in) front brake disc
  • Single four-piston Brembo racing caliper
  • Twin headlight nosecone design
  • Sweeping fuel tank
  • Long travel suspension
  • Quick steering
  • Amazing brakes
  • Limited comfort and equipment
  • Small fuel tank (11.5 Litres / 2.5 gal)
KTM 640 Duke II (2007)

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