Automatic Decompression - KTM 250 SX-F 2005 Repair Manual

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Automatic decompression

– Remove the camshaft gear and camshaft bearing (see pages 5-10).
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– Pull out the automatic decompression shaft
– Use a driver to knock out the bearing bolts
– Remove the automatic decompression spring
– Check all parts for damage and wear.
– Assemble in the reverse order.
– Perform a function test. The spring should turn the automatic
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2
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the cam.
decompression weight .
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decompression shaft back to the stop, if not, increase the preload or
replace.
Camshafts
– Check pivot points and cams
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for wear and damage.
– Check the toothing of the camshaft
gears for wear and damage.
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– Replace the camshaft bearings (see
pages 5-10).
.
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through the hole in
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and automatic
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