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21 TECHNICAL DATA

132

Starting aid Kick starter and electric starter

21.2 Engine tightening torques

21.2.1 All SX models

Screw, inner membrane sheets EJOTDELTA PT

35x25 1 Nm (0.7 lbf ft)

Screw, membrane support plate EJOTDELTA PT

30x12 1 Nm (0.7 lbf ft)

Screw, outer membrane sheets EJOTDELTA PT

30x6 1 Nm (0.7 lbf ft)

Screw, angle lever, exhaust control M5 6 Nm (4.4 lbf ft)

Loctite

243™

Screw, bearing retainer M5 7 Nm (5.2 lbf ft)

Loctite

243™

Screw, clutch spring retainer M5 6 Nm (4.4 lbf ft)

Screw, crankshaft position sensor M5 6 Nm (4.4 lbf ft)

Loctite

243™

Screw, exhaust control bearing

support

M5 6 Nm (4.4 lbf ft)

Loctite

243™

Screw, exhaust control cap M5 5 Nm (3.7 lbf ft)

Screw, exhaust control cover M5 4 Nm (3 lbf ft)

Loctite

222™

Screw, locking lever M5 6 Nm (4.4 lbf ft)

Loctite

243™

Screw, retaining bracket of exhaust

control

M5 7 Nm (5.2 lbf ft)

Loctite

2701™

Screw, stator M5 6 Nm (4.4 lbf ft)

Loctite

243™

Bleeder screw, cylinder head M6 10 Nm (7.4 lbf ft)

Nut, water pump impeller M6 6 Nm (4.4 lbf ft)

Loctite

243™

Screw, alternator cover M6 8 Nm (5.9 lbf ft)

Screw, clutch slave cylinder M6 10 Nm (7.4 lbf ft)

Screw, control flap, exhaust con-

trol

M6 8 Nm (5.9 lbf ft)

Loctite

243™

Screw, engine case M6 10 Nm (7.4 lbf ft)

Screw, exhaust flange M6 8 Nm (5.9 lbf ft)

Screw, gear oil level check M6 10 Nm (7.4 lbf ft)

Screw, intake flange/reed valve

housing

M6 6 Nm (4.4 lbf ft)

Screw, intermediate clutch cover M6 10 Nm (7.4 lbf ft)

Screw, kick starter idler gear steel

M6 10 Nm (7.4 lbf ft)

Loctite

243™

Screw, kick starter stop plate M6 10 Nm (7.4 lbf ft)

Loctite

243™

Screw, outer clutch cover M6 8 Nm (5.9 lbf ft)

Screw, shift drum locating M6 10 Nm (7.4 lbf ft)

Loctite

243™

Screw, shift lever M6 14 Nm (10.3 lbf ft)

Loctite

243™

Screw, water pump cover M6 10 Nm (7.4 lbf ft)

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KTM 250 SX 2019 Specifications

General

Displacement	249 cc
Bore x Stroke	66.4 mm x 72 mm
Starter	Kickstarter
Transmission	5-speed
Ignition	Kokusan
Ground Clearance	375 mm
Seat Height	950 mm
Engine Type	2-stroke
Clutch	Wet, multi-disc clutch
Frame Type	Central double-cradle type 25CrMo4 steel
Front Suspension	WP XACT 48 mm fork
Rear Suspension	WP XACT shock absorber with linkage
Front Brake	Disc brake, 260 mm
Rear Brake	Disc brake, 220 mm
Fuel Tank Capacity	7.5 liters