Technical Data; Engine - KTM 2016 690 DUKE R Owner's Manual

22

TECHNICAL DATA

22.1

engine

Design
Displacement
Stroke
Bore
Compression ratio
Control
Valve diameter, intake
Valve diameter, exhaust
Valve play, cold
Intake at: 20 °C (68 °F)
Exhaust at: 20 °C (68 °F)
Crankshaft bearing
Conrod bearing
Piston pin bearing
Pistons
Piston rings
Engine lubrication
Primary transmission
Clutch
Transmission
Transmission ratio
1-cylinder 4-stroke engine, water-cooled
692.7 cm³ (42.271 cu in)
80 mm (3.15 in)
105 mm (4.13 in)
12.7:1
OHC, intake with cam levers, exhaust controlled by rocker arm,
chain drive
42 mm (1.65 in)
34 mm (1.34 in)
0.10... 0.15 mm (0.0039... 0.0059 in)
0.20... 0.25 mm (0.0079... 0.0098 in)
2 roller bearings
Slide bearing
Piston pin with DLC coating
Forged light alloy
1 compression ring, 1 lower compression ring, 1 oil ring with
spring expander
Semi-dry sump lubrication system with two rotor pumps
36:79
APTC™ antihopping clutch in oil bath/hydraulically operated
6-gear, claw shifted
174