Engine 660 Smc 2003 - KTM 400-660 LC4 1998-2005 Repair Manual

11-56E
TECHNICAL SPECIFICATIONS – ENGINE 660 SMC 2003
Engine
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
Engine oil
Engine oil quantity
Primary ratio
Clutch
Transmission
Gear ratio
Ignition system
Ignition timing
Generator
Spark plug
Spark plug gap
Cooling system
Cooling liquid
Starting equipment
Liquid-cooled single cylinder 4-stroke engine with balancer shaft
unleaded premium gasoline with a least RON 95
4 valves over rocker arm and 1 overhead camshaft, camshaft drive through single chain
Intake: 36 mm
Intake: 0,15 mm
1 compression ring, 1 taper face ring, 1 oil scraper ring
SAE 5W/40, 10W-50 (f.ex. Motorex Power Synt 4T)
straight geared spur wheels 31 : 79 teeth
contactless DC-CDI ignition with digital advanced system type KOKUSAN
adjustment to max. 38 ° BTDC at 6000 rpm
liquid cooled, permanent rotation of cooling liquid through mechanic driven water pump
BASIC CARBURATOR SETTING
Type
Carburator-setting number
Main jet
Jet needle
Idling jet
Main air jet
Idling air jet
Needle position
Starting jet
Mixture control screw open
Slide
Performance restrictor
Stop pump membrane
Hot start device
660 SMC
653 ccm
102 / 80 mm
11,5 : 1
586-V039
Exhaust: 32 mm
Exhaust: 0,15 mm
2 cylinder roller bearing
needle bearing
bronze bushing
forged aluminium alloy
two Eaton-oilpumps
1,6 liters (0,42 US gallons)
multi disc clutch in oil bath
5-speed claw shifted
1st 14:35
2nd 15:24
3rd 18:21
4th 20:19
5th 22:18
12V 200W
NGK DCPR8 E
0,9 mm
at least –25°C (–13°F)
kickstarter
660 SMC
Keihin FCR-MX 41
4138A
165
OBDVT
42
200
100
5. rd from top
85
2
15
Slide stop
858 / 2,15 mm
3,8 mm