Cleaning the air filter. KTM 250 SX-F, 250 SX-F 2007, 450 SX-F 2007

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MAINTENANCE WORK ON CHASSIS AND ENGINE

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Cleaning the air filter *

The air filter must be cleaned prior to each race or whenever dust has accumulated. To clean, lift the filter box cover [1].

Detach the filter retaining clip [2] at the bottom, swing aside and take the air filter [3] and filter support [4] out of the filter box.

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– Do not clean foam filter with fuel or petroleum since these damage the foam. KTM recommends the products of the company Motorex for air filter maintenance (Bio Dirt Remover and Liquid Bio Power).

– Never start your motorcycle without any air filters. Otherwise, dust and dirt may penetrate and cause damage and increased wear.

– Dust and dirt can accumulate and damage the engine if the air filter is not mounted correctly.

Thoroughly wash the air filter in special cleaning fluid and allow it to dry well.

Only press out the filter, do not wring it out under any circumstances. Oil the dry air filter with a high-grade filter oil. Also clean the air filter box. Check the carburetor collar for damage and that it is filled correctly.

Place the air filter on the filter support and insert both in the center of the filter box. Hold in place with the filter retaining clip.

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Adjusting the throttle cables *

The throttle grip should always provide for a backlash of 3-5mm. Besides, with the engine running, the idling speed must not change if you turn the handlebar all the way to the left or right.

To adjust the throttle cables, dismount the seat and the tank together with spoilers. Slide back the protection cover [5]. Loosen the counternut [6] and turn the adjusting screw [7] accordingly. Turning the adjusting screw counterclockwise will reduce the backlash, turning the adjusting screw clockwise will increase the backlash.

Tighten the counternut and check whether the throttle grip can be actuated smoothly. Mount tank and seat.