KTM 450SMS 2004 Owner's Manual page 23

TECHNICAL SPECIFICATIONS – ENGINE 450 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
Spark plug
Spark plug gap
Cooling system
Cooling liquid
Starting equipment
* U –
SE DISTILLED WATER FOR RACING
ASSEMBLY CLEARANCE, WEAR LIMIT
Crank shaft
Connecting rod bearing
Piston forged
Piston rings end gap
Valves
Oil pumps
Bypass valve
Clutch
Transmission shafts
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
pressure circulation lubrication with 2 rotor pumps
straight geared spur wheels 33 : 76 teeth
contactless DC-CDI ignition with digital advanced system type KOKUSAN 4K3A
liquid cooled, permanent rotation of cooling liquid through mechanic driven water pump
1 liter (0.26 US gallons) at least –25°C* (–13°F)
Kickstarter, cold start knob and hot start knob on carburetor
CAUTION AT TEMPERATURES BELOW ZERO
axial play . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.1 - 0.2 mm
run out of crank stud . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .max. 0.12 mm
radial play . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .max. 0.05 mm
axial play . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .max. 1.10 mm
assembly clearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .max. 0.12 mm
compression ring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .max. 0.80 mm
oil scraper ring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .max. 1.00 mm
seat sealing intake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .max. 1.50 mm
seat sealing exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .max. 2.00 mm
run out of valve heads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .max. 0.05 mm
valve guides diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .max. 6.20 mm
clearance outer rotor - housing . . . . . . . . . . . . . . . . . . . . . . . . . . . .max. 0.20 mm
clearance outer rotor - inner rotor . . . . . . . . . . . . . . . . . . . . . . . . . .max. 0.20 mm
minimum spring length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23.50 mm
Length of springs . . . . . . . . . . . . . . . . . . . . . . . . .min. 41.5 mm (new 43.00 mm)
wear limit organic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .min. 1.90 mm
axial play . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.1 - 0.4 mm
450
448 ccm
89 / 72 mm
12,7 : 1
8/33
Intake: 35 mm Exhaust: 30 mm
Intake: 0,12 mm Exhaust: 0,12 mm
2 cylinder roller bearing
needle bearing
bronze bushing
forged aluminium alloy
1 compression ring, 1 oil scraper ring
see table page 24 #
1.25 liters (0.33 US gallons)
multi disc clutch in oil bath
6-speed claw shifted
1st 16:32
2nd 18:30
3rd 20:28
4th 22:26
5th 24:24
6th 21:18
NGK DCPR8-E
0,6 mm
!
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