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KTM 250 EXC 2024 User Manual

KTM 250 EXC 2024
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TECHNICAL SPECIFICATIONS 24
151
Piston rings 2 rectangular rings
Engine lubrication Mixed lubrication
X-distance (upper edge of piston to special tool) 0 0.10 mm (0 0.0039 in)
Z distance (height of control flap) 50.0 mm (1.969 in)
Primary transmission 26:72
Clutch Multidisc clutch in oil bath/hydraulically activated
Transmission 6-gear transmission, claw shifted
Transmission ratio
first-gear 13:33
second-gear 16:30
third-gear 18:26
fourth-gear 22:26
fifth-gear 23:23
sixth-gear 26:22
Alternator 12 V, 110 W
Ignition system Electronic ignition
Spark plug NGK BR 7 ES
Spark plug electrode gap 0.60 mm (0.0236 in)
Cooling Water cooling, permanent circulation of coolant by
water pump
Starting aid Electric starter system
24.2 Engine tightening torques
Screw, inner reed paddles EJOT DELTA PT
®
3.5x25 1 Nm (0.7 lbf ft)
Screw, membrane support plate EJOT DELTA PT
®
3x12 1 Nm (0.7 lbf ft)
Screw, outer reed paddles EJOT DELTA PT
®
3x6 1 Nm (0.7 lbf ft)
Nut, axle for control flap M5 5 Nm (3.7 lbf ft)
Screw, actuator, exhaust control M5 5 Nm (3.7 lbf ft)
Loctite
®
243™
Screw, bearing retainer M5 6 Nm (4.4 lbf ft)
Loctite
®
243™
Screw, clutch spring retainer M5 6 Nm (4.4 lbf ft)
Screw, control flap, exhaust con-
trol
M5 8 Nm (5.9 lbf ft)
Loctite
®
243™
Screw, cover, actuator, exhaust
control
M5 5 Nm (3.7 lbf ft)
Loctite
®
243™
Screw, crankshaft speed sensor M5 6 Nm (4.4 lbf ft)
Loctite
®
243™
Screw, exhaust control cover M5 6 Nm (4.4 lbf ft)
Screw, idler shaft, exhaust control M5 8 Nm (5.9 lbf ft)
Loctite
®
243™
Screw, locking lever M5 6 Nm (4.4 lbf ft)
Loctite
®
243™
Screw, retaining bracket of exhaust
control
M5 6 Nm (4.4 lbf ft)
Loctite
®
2701™
Screw, stator M5 6 Nm (4.4 lbf ft)
Loctite
®
243™

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KTM 250 EXC 2024 Specifications

General IconGeneral
Engine Type1-cylinder, 2-stroke engine
Displacement249 cm³
Bore x Stroke66.4 mm x 72 mm
StarterElectric starter
Transmission6-speed
CoolingLiquid cooled
Front BrakeDisc brake
Rear BrakeDisc brake
Ground Clearance370 mm
Seat Height960 mm
Front SuspensionØ 48 mm
Fuel Tank Capacity9.0 liters
Rear SuspensionWP XACT shock absorber with linkage

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