Technical Data - Engine; Capacity - Engine Oil; Capacity - Coolant - KTM 250 XCF-W USA 2010 Owner's Manual

TECHNICAL DATA - ENGINE

Design
Displacement
Stroke
Bore
Compression ratio
Idle speed
Control
Valve diameter, intake
Valve diameter, exhaust
Valve clearance
Exhaust at: 20 °C (68 °F)
Intake at: 20 °C (68 °F)
Crankshaft bearing
Conrod bearing
Piston pin bearing
Pistons
Piston rings
Engine lubrication
Primary transmission
Clutch
Transmission ratio
1st gear
2nd gear
3rd gear
4th gear
5th gear
6th gear
Generator
Light coil and charging coil
Ignition
Spark plug
Spark plug electrode gap
Cooling
Starting aid

Capacity - engine oil

15.1
Engine oil

Capacity - coolant

15.2
Coolant
1.10 l (1.16 qt.)
1.2 l (1.3 qt.)
1-cylinder 4-stroke engine, water-cooled
248.60 cm³ (15.1706 cu in)
54.80 mm (2.1575 in)
76 mm (2.99 in)
12.8:1
1,400... 1,500 rpm
DOHC, four valves controlled via cam lever, drive via tooth-wheel
chain
30.0 mm (1.181 in)
26.0 mm (1.024 in)
0.12... 0.17 mm (0.0047... 0.0067 in)
0.10... 0.15 mm (0.0039... 0.0059 in)
2 cylinder bearings
Needle bearing
Bronze bush
Forged light alloy
1 compression ring, 1 oil scraper ring
Pressure circulation lubrication with two rotary pumps
22:68
Multidisc clutch in oil bath/hydraulically activated
13:33
17:33
19:29
23:28
23:23
26:22
12 V, 80 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/kickstarter
Engine oil (SAE 10W/50) (
Coolant ( p. 102)
Coolant (mixed ready to use) (
p. 102)
p. 102)
87