Technical Data - Engine; Capacity - Engine Oil; Capacity - Cooling Liquid - KTM 450 SXS-F Owner's Manual

TECHNICAL DATA - ENGINE

Design
Displacement
Stroke
Bore
Compression ratio
Idle speed
Control
Valve diameter, intake
Valve diameter, exhaust
Valve clearance, cold, intake
Valve clearance, cold, exhaust
Crankshaft bearing
Conrod bearing
Piston pin bearing
Pistons
Piston rings
Engine lubrication
Primary transmission
Transmission ratio
1st gear
2nd gear
3rd gear
4th gear
Generator
Ignition
Spark plug
spark plug electrode gap
Cooling
Starting aid

Capacity - engine oil

Engine oil

Capacity - cooling liquid

Coolant
1.35 l (1.43 qt.)
1.2 l (1.3 qt.)
1-cyliner 4-stroke engine, water-cooled
449.3 cm³ (27.418 cu in)
60.8 mm (2.394 in)
97 mm (3.82 in)
12,5:1
1,600... 1,650 rpm
4 valves controlled by cam levers ad 2 camshafts, driven by heli-
cal gear pair and tooth-wheel chain
40.4 mm (1.591 in)
31.7 mm (1.248 in)
0.07... 0.13 mm (0.0028... 0.0051 in)
0.12... 0.18 mm (0.0047... 0.0071 in)
2 cylinder roller bearing
Needle bearing
No bearing bush piston pins made of TiAl alloy with DLC coating
Forged light alloy
1 compression ring, 1 oil scraper ring
Pressure circulation lubrication with 3 rotor pumps
29:74
17:32
19:30
21:28
23:26
12 V, 42 W
Contactless controlled fully electronic ignition with digital igni-
tion adjustment, type Kokusan
NGK CR 9 EKB
0.7 mm (0.028 in)
Water cooling, permanent circulation of coolant by water pump
Electric starter
Engine oil (SAE 10W/50) (
Coolant ( P. 82)
Coolant (mixed ready to use) (
P. 82)
P. 82)
72