KTM SUPERMOTO FACTORY REPLICA 660SMS 2004 Owner's Manual page 27

TECHNICAL SPECIFICATIONS – ENGINE 660 SUPERMOTO FACTORY REPLICA 2004
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
Generator
Spark plug
Spark plug gap
Cooling system
Cooling liquid
Starting equipment
* U –
SE DISTILLED WATER FOR RACING
#
JASO T903 MA
TEMPERATUR
0°C
32°F
5W/40
Engine oil
Only use fully synthetic engine oils that meet the JASO MA quality require-
ments (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).
!
P
OOR OIL QUALITY OR MINOR QUANTITY CAUSE EARLY ENGINE
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
1 compression ring, 1 taper face ring, 1 oil scraper ring
contactless DC-CDI ignition with digital advanced system type KOKUSAN 4K3
liquid cooled, permanent rotation of cooling liquid through mechanic driven water pump
Kickstarter, cold start knob and hot start knob on carburetor
CAUTION AT TEMPERATURES BELOW ZERO
10W/50
CAUTION
-
WEAR
660 LC4
653 ccm
102 / 80 mm
12,5 : 1
MSP1
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
two Eaton-oilpumps
see table #
1,6 liters (0,42 US gallons)
straight geared spur wheels 31 : 79 teeth
multi disc clutch in oil bath
5-speed claw shifted
1st 15:33
2nd 15:24
3rd 18:21
4th 20:19
5th 22:18
12V 110W
NGK DR9EA
0,9 mm
at least –25°C* (–13°F)
.!
BASIC CARBURETOR SETTING
Carburetor
Main jet
Needle jet
Idling jet
Main air jet
Idling air jet
Needle position from top
Throttle valve
Starting jet
!
.
27
660 SUPERMOTO
FACTORY REPLICA
Keihin FCR MX 41
185
OBEKR
48
200
100
4th
15
85