K&N developed a Powersports Oil Filter (KN-655) for the 2012, 2011, 2010, 2009, 2008, 2007, 2006 and 2005 KTM 690, 500, 450, 250 SXF, XC-W and XCF.

This powersports oil filter is designed to be used and then replaced.

KN-655 is built to stand up to the high concentrates of synthetic racing oils

Part KN-655 Product Specifications
Product Style: Oil Filters
Anti Drain Back Valve: No
Bypass Valve: No
Filter Material: High Flow Premium Media
Gasket Material: Nitrile Rubber
Height: 2.719 in (69 mm)
Outside Diameter: 1.625 in (41 mm)
PSI Relief Valve: No
Removal Nut: No
Style: Cartridge
Thread Specification: N/A
Inside Diameter: 0.438 in (11 mm)
This Product Includes: 1- O'ring
Weight: 0.1 lb (0.05 kg)

KN-655 Cross Reference
KTM 77038005000
KTM 77038005001
KTM 77038005044

K&N KN-655 fits the following:
2015 KTM 500 XC-W 510 - All         
2015 KTM 500 EXC 510 - All         
2015 KTM 450 XC-W 449 - All         
2015 KTM 450 XC-F 450 - All         
2015 KTM 450 SX-F 449 - All         
2015 HUSQVARNA FE501 510 - All         
2015 HUSQVARNA FC450 450 - All         
2014 KTM 500 XC-W 510 - All         
2014 KTM 500 EXC 510 - All         
2014 KTM 450 XC-W 449 - All         
2014 KTM 450 XC-F 450 - All         
2014 KTM 450 SX-F FACTORY EDITION 449 - All         
2014 KTM 450 SX-F 449 - All         
2014 KTM 450 EXC SIX DAYS 449 - All         
2014 KTM 450 EXC 449 - All         
2014 KTM 250 EXC-F 250 - All         
2014 HUSQVARNA FE501 510 - All         
2014 HUSQVARNA FC450 450 - All         
2014 HUSABERG FE501 501 - All         
2014 HUSABERG FE450 450 - All         
2013 KTM 500 XC-W 510 - All         
2013 KTM 500 EXC 510 - All         
2013 KTM 450 XC-W 449 - All         
2013 KTM 450 XC-F 450 - All         
2013 KTM 450 SX-F FACTORY EDITION 449 - All         
2013 KTM 450 SX-F 449 - All         
2013 KTM 450 EXC SIX DAYS 449 - All         
2013 KTM 450 EXC 449 - All         
2013 KTM 250 XCF-W 249 - All         
2013 KTM 250 EXC-F 250 - All         
2013 HUSABERG FE501 501 - All         
2013 HUSABERG FE450 450 - All         
2013 HUSABERG FE250 250 - All
2012 KTM 500 XC-W 500 - All  
2012 KTM 500 EXC SIX DAYS 500 - All  
2012 KTM 500 EXC 500 - All  
2012 KTM 450 XC-W 450 - All  
2012 KTM 250 XCF-W 250 - All  
2012 KTM 250 XCF 250 - All  
2012 KTM 250 SXF 250 - All  
2012 KTM 250 EXC-F SIX DAYS 250 - All  
2012 KTM 250 EXC-F 250 - All  
2012 HUSABERG FE570 ENDURO 570 - All  
2012 HUSABERG FE450 ENDURO 450 - All  
2012 HUSABERG FE390 ENDURO 390 - All  
2011 KTM 250 XCF-W 250 - All  
2011 KTM 250 XCF 250 - All  
2011 KTM 250 SXF 250 - All  
2011 KTM 250 EXC-F SIX DAYS 250 - All  
2011 KTM 250 EXC-F 250 - All  
2011 HUSABERG FX450 CROSS COUNTRY 450 - All  
2011 HUSABERG FS570 SUPERMOTO 570 - All  
2011 HUSABERG FE570 ENDURO 570 - All  
2011 HUSABERG FE450 ENDURO 450 - All  
2011 HUSABERG FE390 ENDURO 390 - All  
2010 KTM 250 SXF 250 - All  
2010 KTM 250 EXC-F SIX DAYS 250 - All  
2010 KTM 250 EXC-F 250 - All  
2010 HUSABERG FX450 CROSS COUNTRY 450 - All  
2010 HUSABERG FS570 SUPERMOTO 570 - All  
2010 HUSABERG FE570 ENDURO 570 - All  
2010 HUSABERG FE450 ENDURO 450 - All  
2010 HUSABERG FE390 ENDURO 390 - All  
2009 KTM 250 XCF-W 250 - All  
2009 KTM 250 XCF 250 - All  
2009 KTM 250 SXF 250 - All  
2009 KTM 250 EXC-F 250 - All  
2009 HUSABERG FE570 ENDURO 570 - All  
2009 HUSABERG FE450 ENDURO 450 - All  
2008 KTM 250 XCF-W 250 - All  
2008 KTM 250 XCF 250 - All  
2008 KTM 250 SXS-F 249 - All  
2008 KTM 250 SXF 249 - All  
2008 KTM 250 EXC-F 250 - All  
2007 KTM 690 SUPERMOTO R 690 - 1st Filter  
2007 KTM 250 XCF-W 250 - All  
2007 KTM 250 XCF 250 - All  
2007 KTM 250 SXS-F 250 - All  
2007 KTM 250 SXF 250 - All  
2007 KTM 250 EXC-F 250 - All  
2006 KTM 250 XCF-W 250 - All  
2006 KTM 250 SXS-F 250 - All  
2006 KTM 250 SXF 250 - All  
2005 KTM 250 SXF 249 - All