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New Crankshaft Main Bearing And Seal Kit Compatible With 2004-2005 Honda Crf250r 249Cc 4-Stroke

K041A1
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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Sale: $92.20
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Description

HONDA CRF250R 4-STROKE MOTOCROSS — 249cc Single-Cylinder Liquid-Cooled Unicam SOHC (2004-2005):
• Honda CRF250R 249cc 4-Stroke Single-Cylinder Liquid-Cooled Unicam SOHC 4-Valve Motocross (2004, LAUNCH Year — Honda's First 250cc 4-Stroke MX Bike)
• Honda CRF250R 249cc 4-Stroke Single-Cylinder Liquid-Cooled Unicam SOHC 4-Valve Motocross (2005, FINAL First-Generation Year — 2006 Brought New Bottom-End)
• Honda CRF250R 78mm Bore × 52.2mm Stroke 4-Stroke Race-Spec Motocross

HONDA CRF250X 4-STROKE OFF-ROAD / CROSS-COUNTRY — 249cc Single-Cylinder Liquid-Cooled Unicam SOHC (2004-2006):
• Honda CRF250X 249cc 4-Stroke Single-Cylinder Liquid-Cooled Unicam SOHC 4-Valve Off-Road (2004, LAUNCH Year — Closed-Course / Cross-Country Variant)
• Honda CRF250X 249cc 4-Stroke Single-Cylinder Liquid-Cooled Unicam SOHC 4-Valve Off-Road (2005, Continued Production)
• Honda CRF250X 249cc 4-Stroke Single-Cylinder Liquid-Cooled Unicam SOHC 4-Valve Off-Road (2006, FINAL First-Generation Year — Carried Older Bottom-End One Year Past CRF250R)
• Wide-ratio 5-speed transmission, electric start, headlight equipped

SPECIFIC MODEL YEARS COVERED:
• Honda CRF250R 2004 (Launch Year — Honda's First 250cc 4-Stroke MX Bike)
• Honda CRF250R 2005 (Final First-Generation Year)
• Honda CRF250X 2004 (Launch Year — Off-Road Cross-Country Variant)
• Honda CRF250X 2005 (Continued Production)
• Honda CRF250X 2006 (Final First-Generation Year)

NOTES:
• Compatible with Honda OEM crankshafts and aftermarket Hot Rods replacement crankshafts
• 2004 was the LAUNCH year of BOTH the CRF250R and CRF250X — Honda's revolutionary first 250cc 4-stroke platform
• Same bottom-end engine architecture across both models (motocross and off-road variants)
• Note: K041 covers CRF250R only through 2005, but CRF250X through 2006 — the X variant carried over the older bottom-end one extra year
• 2006+ CRF250R uses different crankshaft bearings (covered by separate K073 kit)
• 2007+ CRF250X uses different crankshaft bearings (covered by separate K073 kit)
• Quality alternative to expensive Honda OEM main bearings and crankshaft seals
• Recommended for any bottom-end rebuild, crankshaft replacement, or seal-out repair
• Bearings prelubed and packaged with waterproof grease; crank seals feature sealing lip designed to reduce crank pin wear
• Unicam SOHC 4-valve cylinder head, 5-speed transmission, wet sump lubrication

Details

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  • Item Requires Shipping
  • 2.0 lbs.
  • W9.0000” x H0.8000” x L12.0000”
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