To find the engine oil capacity for your 2010 KTM 250 XCF-W, I recommend you consult the following:
* Your Owner's Manual: This is the most reliable source of information for your specific bike.
* KTM's Website: Check the KTM website for their official service manuals or technical information.
* KTM Dealer: Contact your local KTM dealer, they will have the information available.
Please note: The engine oil capacity can vary depending on the specific model year and any modifications made to the bike.