KTM 690 Duke 2018 User Manual

22 TECHNICAL DATA
212
22.1 Engine
Design 1-cylinder 4-stroke engine, water-cooled
Displacement 692.7 cm³ (42.271 cu in)
Stroke 80 mm (3.15 in)
Bore 105 mm (4.13 in)
Compression ratio 12.7:1
Control OHC, intake with cam levers, exhaust controlled by
rocker arm, chain drive
Valve diameter, intake 42 mm (1.65 in)
Valve diameter, exhaust 34 mm (1.34 in)
Valve play, cold
Intake at: 20 °C (68 °F) 0.10 … 0.15 mm (0.0039 … 0.0059 in)
Exhaust at: 20 °C (68 °F) 0.20 … 0.25 mm (0.0079 … 0.0098 in)
Crankshaft bearing 2 roller bearings
Conrod bearing Slide bearing
Piston pin bearing Piston pin with DLC coating
Pistons Forged light alloy
Piston rings 1 compression ring, 1 lower compression ring, 1 oil
ring with spring expander
Engine lubrication Semi-dry sump lubrication system with two rotor
pumps

KTM 690 Duke 2018 Specifications

General

Engine Type	Single-cylinder, 4-stroke
Displacement	690 cc
Torque	74 Nm @ 6, 500 rpm
Compression Ratio	12.7:1
Transmission	6-speed
Fuel System	Electronic fuel injection
Cooling System	Liquid cooled
Front Suspension	WP USD Ø 43 mm
Rear Suspension	WP Monoshock
Seat Height	835 mm
Dry Weight	148.5 kg
Fuel Capacity	14 liters
Bore x Stroke	105 mm x 80 mm
Starter	Electric starter
Front Wheel	3.50 x 17"
Rear Wheel	5.00 x 17"
Front Tire	120/70 ZR 17
Rear Tire	160/60 ZR 17
Power	73 hp (54 kW) @ 8, 000 rpm
Front Brake	Brembo four-piston radial caliper, 320 mm disc
Rear Brake	Brembo single-piston floating calliper, brake disc Ø 240 mm
ABS	Bosch 9M+ Two Channel ABS
Frame	Chromium-Molybdenum steel trellis frame, powder-coated