KTM 250 EXC EU User Manual

18 ENGINE 178
302975-10
– Slide piston pin
2
into the connecting rod by hand.
303082-10
– Cover the engine case opening with a cloth.
– Position the piston pin retainer in the 6 o'clock or 12 o'clock position.
– Ensure that the piston pin retainer is seated properly on both sides.
– Remove the cloth.
18.5.19 Installing the cylinder
308134-12
(All 250 models)
– Position the new cylinder base gasket
1
.
Info
If neither the piston, cylinder, crankshaft, or engine case need to be
changed, the same gasket thickness can be used as before.
– Oil the cylinder and piston.
308140-10
– Position the piston ring.
The anti-rotation lock engages in piston ring end
2
.
302967-11
(All 300 models)
– Position the new cylinder base gasket
1
.
Info
If neither the piston, cylinder, crankshaft, or engine case need to be
changed, the same gasket thickness can be used as before.
– Oil the cylinder and piston.
302970-10
– Position the piston ring.
The anti-rotation lock engages in piston ring end
2
.

KTM 250 EXC EU Specifications

General

Transmission	6-speed
Ignition	Kokusan
Front Wheel	1.60 x 21"
Rear Wheel	2.15 x 18"
Seat Height	960 mm
Engine Type	2-stroke
Displacement	249 cm³
Bore x Stroke	66.4 mm x 72 mm
Cooling	Liquid-cooled
Front Suspension	WP Xplor 48, USD fork
Rear Suspension	WP XPLOR shock absorber with linkage
Front Brake	Disc brake
Rear Brake	Disc brake
Fuel Capacity	9 l