KTM 250 SX 2010 User Manual

MAINTENANCE WORK ON CHASSIS AND ENGINE 62
9.87Removing the glass fiber yarn filling of the main silencer x
Warning
Danger of burns The exhaust system gets very hot when the vehicle is driven.
– Allow the exhaust system to cool down. Do not touch hot components.
– Remove the main silencer. ( p. 61)
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B00037-10
– Remove nut .
– Remove the locking cap and outer tube .
– Pull the glass fiber yarn filling  from the inner tube.
– Clean the parts that are to be reinstalled.
9.88Installing the glass fiber yarn filling of the main silencer x
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– Slide the glass fiber yarn filling  over the inner tube.
– Slide the outer tube  over the glass fiber yarn filling.
Info
Ensure that the O-rings are seated properly.
– Insert locking cap  into the outer tube.
– Mount and tighten nut .
– Install the main silencer. ( p. 61)
9.89Removing the air filter box lid
B00038-10
– Pull off the air filter box lid in area  sideways and remove it toward the front.
9.90Installing the air filter box lid
B00038-11
– Insert the air filter box lid into the rear area  and clip it into the front area .

KTM 250 SX 2010 Specifications

General

Displacement	249 cc
Bore x Stroke	66.4 mm x 72 mm
Cooling System	Liquid-cooled
Transmission	5-speed
Rear Suspension	WP Monoshock
Front Brake	Single Disc, 260 mm
Rear Brake	Single Disc, 220 mm
Seat Height	992 mm
Ground Clearance	385 mm
Fuel System	Carburetor
Ignition	Kokusan
Starter	Kickstarter
Front Tire	80/100-21
Rear Tire	110/90-19
Wheelbase	1475 mm
Engine Type	Single Cylinder, 2-Stroke
Front Suspension	WP USD Fork, 48 mm
Fuel Capacity	7.5 liters