Oil Circuit - KTM 250 SX-F 2005 Repair Manual

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Oil circuit

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Oil circuit
The oil pump draws the engine oil from the transmission oil sump through the long oil screen
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, where any contamination is filtered out. The cleansed engine oil is pumped past the bypass valve
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crankshaft to the conrod bearing
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Two other oil ducts lead into the cylinder head. One duct supplies the hydraulic chain tensioner
camshaft bearing bridge , where the camshaft bearings and the cam lever are supplied with oil (via spraying nozzles).
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The second oil pump draws the engine oil out of the crankcase through the short oil screen
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transmission gears .
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and sprayed onto the piston
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8
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from below through a jet
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and conveys it to the oil filter
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through the hole in the
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.
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, the other duct leads to the
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and uses it to grease the
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