Technical Data - Engine 640 Duke Ii 2004 - KTM 640 DUKE II 2004 Owner's Manual

TECHNICAL DATA – ENGINE 640 DUKE II 2004
Type
Design
Displacement
Bore / Stroke
Ratio
Fuel
Valve timing
Camshaft
Valve diameter
Valve clearence cold
Crank shaft bearing
Connecting rod bearing
Top end bearing
Piston
Piston rings
Engine lubrication
Quantity of engine oil
Engine oil
Primary ratio
Clutch
Transmission
Gear ratio
Ignition system
Ignition timing
Generator
Spark plug
Spark plug gap
Cooling system
Cooling liquid
Starting equipment
BASIC CARBURETOR SETTING
Carburetor
Main jet
Needle jet
Idling jet
Jet needle
Needle position from top
Mixture.adju. screw open
Liquid-cooled single cylinder 4-stroke engine with balancer shaft and electric starter
unleaded premium gasoline with a least RON 95
4 valves over rocker arm and 1 overhead camshaft, camshaft drive through single chain
1 compression ring, 1 taper face ring, 1 oil scraper ring
contactless DC- CDI ignition with digital advanced system type KOKUSAN
liquid cooled, permanent rotation of cooling liquid through mechanically driven water pump
1 liter, 40% antifreeze, 60% water, at least –25° C (–13° F)
640 DUKE
40 kW
BST40-258
145
689 X-6
45
6G5
3 rd
2.25 turn
640 LC4
625 ccm
101 / 78 mm
11.7 : 1
549/1
Intake: 36 mm Exhaust: 32 mm
Intake: 0.15 mm Exhaust: 0.15 mm
2 cylinder roller bearing
needle bearing
bronze bushing
forged aluminium alloy
2 Eaton-Oilpumps
see table #
2.1 liters including frame
straight geared spur wheels 31 : 79 teeth
multi-disc clutch in oil bath
5-speed claw shifted
1st 14:35
2nd 15:24
3nd 18:21
4th 20:19
5th 22:18
adjustment to max. 38° BTDC at 6000 rpm
12V 200W
NGK DCPR 8E
0.9 mm
electric starter, kick starter
#
5W/40
Engine oil
Only use fully synthetic engine oils that meet the
JASO MA quality requirements (see information on
the can).
KTM recommends Motorex Power Synt 4T in the
10W/50 viscosity (for temperatures over 0°C, 32°F)
or 5W/40 (for temperatures under 0°C, 32°F).
JASO T903 MA
TEMPERATURE
0°C
32°F
10W/50
41