KTM 640 DUKE II 2001, Owner'S Handbook Manual

Page: 38 / 42

ENGLISH
36
Engine oil
Use only synthetic oil brands (Shell Advance Ultra 4),
which meet quality requirements of API-classes SG or
SH (informations on bottles) or higher.
! CAUTION !
P
OOR OIL QUALITY OR MINOR QUANTITY EFFECT EARLY
ENGINE
-
WEAR
.
BASIC CARBURETOR SETTING
Carburetor
Carburetor setting number
Main jet
Needle jet
Idling jet
Jet needle
Needle position from top
Mixture.adju. screw open BST40-225
100299
145
689 X-6
45
6G5
3 rd
2,25 turn
640 DUKE
40 kW
#
– +
0°C
32°F
15W 40
15W 50
10W 40
10W 50
API: SG, SH
TEMPERATURE
TECHNICAL DATA – ENGINE 640 DUKE II 2001
Type 640 LC4-E
Design Liquid-cooled single cylinder 4-stroke engine with balancer shaft and electric starter
Displacement 624,6 ccm
Bore / Stroke 101 / 78 mm
Ratio 11,0 : 1
Fuel unleaded premium gasoline with a least RON 95
Valve timing 4 valves over rocker arm and 1 overhead camshaft, camshaft drive through single chain
Camshaft 249/1
Valve diameter Intake: 36 mm Exhaust: 30 mm
Valve clearence cold Intake: 0.15 mm Exhaust: 0.15 mm
Crank shaft bearing 2 cylinder roller bearing
Connecting rod bearing needle bearing
Top end bearing bronze bushing
Piston forged aluminium alloy
Piston rings 1 compression ring, 1 taper face ring, 1 oil scraper ring
Engine lubrication 2 Eaton-Oilpumps
Quantity of engine oil see table
Engine oil 2.1 liters including frame
Primary ratio straight geared spur wheels 30 : 81 teeth
Clutch multi disc clutch in oil bath
Transmission 5-speed claw shifted
Ignition system contactless DC- CDI ignition with digital advanced system type KOKUSAN
Ignition timing adjustment to max. 38° BTDC at 6000 rpm
Generator 12V 200W
Spark plug NGK DPR8 EA9
Spark plug gap 0.9 mm
Cooling system liquid cooled, permanent rotation of cooling liquid through mechanic driven water pump
Cooling liquid 1 liter, 40% antifreeze, 60% water, at least –25° C (–13° F)
Starting equipment electric starter, kick starter