OEM PART NUMBERS:
• Honda: 91002-KRN-A11 (Left Crankshaft Main Bearing — primary)
• Honda: 91001-KRN-671 (Right Crankshaft Main Bearing — primary)
• Honda: 91002-KRN-671 (Crankshaft Bearing — alternate part number)
• Honda: 91002-KRN-851 (Crankshaft Bearing — alternate part number)
• Honda: 91201-MEB-671 (Left Crankshaft Oil Seal — primary)
• Honda: 91202-MEB-671 (Right Crankshaft Oil Seal — primary)
• Catalog Kit Reference: K041
SPECIFICATIONS:
• Type: Crankshaft Main Bearing and Oil Seal Kit
• Application: Bottom-End Rebuild / Crankshaft Replacement
• Engine Coverage: Honda CRF250R (2004-2005) / CRF250X (2004-2006) 4-Stroke Single-Cylinder Liquid-Cooled
• Engine Displacement: 249cc
• Bore × Stroke: 78mm × 52.2mm
• Engine Code: ME10 (CRF250R), ME09 (CRF250X)
• Year Range: CRF250R 2004-2005 / CRF250X 2004-2006 (First-Generation Bottom-End)
• Cylinder Configuration: Single-Cylinder Inline 4-Stroke Liquid-Cooled Unicam SOHC 4-Valve
• Transmission: 5-Speed (CRF250R) or Wide-Ratio 5-Speed with Electric Start (CRF250X)
• Lubrication: Wet Sump
• Kit Contents: 2x Crankshaft Main Bearings (Left and Right Side, Prelubed and Packaged with Waterproof Grease), 2x Crankshaft Oil Seals (Left and Right Side) with Sealing Lip
• Models Covered: CRF250R First-Generation Motocross (2004 Launch through 2005), CRF250X First-Generation Off-Road (2004 Launch through 2006)
• Use: Compatible with Honda OEM and Hot Rods aftermarket crankshafts
• Condition: New
APPLICATIONS:
• Honda CRF250R 4-Stroke 249cc Single-Cylinder Liquid-Cooled Unicam SOHC Motocross (2004-2005)
• Honda CRF250X 4-Stroke 249cc Single-Cylinder Liquid-Cooled Unicam SOHC Off-Road / Cross-Country (2004-2006)
• 2004 = launch year of both models (Honda's first 250cc 4-stroke platform)
• DOES NOT FIT 2006 and Newer CRF250R or 2007 and Newer CRF250X — different crankshaft bearings required (use K073)
PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.
WARNING - This product may expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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