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New Crankshaft Main Bearing And Seal Kit Compatible With 2006-2008 Honda Crf450r 449Cc 4-Stroke

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K072A1
OEM PART NUMBERS:
• Honda: 91002-MEN-A31 (Crankshaft Main Bearing — primary, 2x required per engine)
• Honda: 91201-MEN-A31 (Crankshaft Oil Seal — primary)
• Honda: 91202-MEN-A31 (Crankshaft Oil Seal — alternate)
• Catalog Kit Reference: K072

SPECIFICATIONS:
• Type: Crankshaft Main Bearing and Oil Seal Kit
• Application: Bottom-End Rebuild / Crankshaft Replacement
• Engine Coverage: Honda CRF450R 4-Stroke Single-Cylinder Liquid-Cooled SOHC Unicam Motocross
• Engine Displacement: 449cc
• Bore × Stroke: 96mm × 62.1mm
• Engine Code: PE05E (Honda CRF450R 2006-2016 Second-Generation Family)
• Year Range: 2006-2016 (11-Year Second-Generation Production Run)
• Cylinder Configuration: Single-Cylinder Inline 4-Stroke Liquid-Cooled SOHC Unicam 4-Valve
• Transmission: Manual 5-Speed (Same Gearing as CRF450X but Different Final Drive)
• Fuel Delivery: Keihin FCR-MX 41mm Flat-Slide Carburetor (2006-2008) or Honda PGM-FI Electronic Fuel Injection (2009-2016)
• Lubrication: Wet Sump
• Starter: Kick-Start Only (No Electric Start, Different from CRF450X)
• Kit Contents: 2x Crankshaft Main Bearings (Prelubed and Packaged with Waterproof Grease), 2x Crankshaft Oil Seals (Left and Right) with Sealing Lip
• Models Covered: Honda CRF450R Second-Generation Motocross (2006-2016)
• Use: Compatible with Honda OEM and Hot Rods aftermarket crankshafts
• Condition: New

APPLICATIONS:
• Honda CRF450R 4-Stroke 449cc Single-Cylinder Liquid-Cooled SOHC Unicam Motocross (2006-2016)
• 2006 = launch year of major second-generation redesign
• 2009 = launch of Honda PGM-FI fuel injection
• 2013 = dual exhaust system introduced
• 2016 = final year of second-generation before 2017 third-generation redesign
• DOES NOT FIT 2002-2005 First-Generation CRF450R (use K019 kit) or 2017+ Third-Generation CRF450R or CRF450X off-road (use K063 kit)

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

Was: $168.65
Sale: $96.37
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Description

HONDA CRF450R SECOND-GENERATION FLAGSHIP MOTOCROSS — 449cc 4-Stroke Single-Cylinder Liquid-Cooled SOHC Unicam (2006-2016):
• Honda CRF450R 449cc 4-Stroke Single-Cylinder Liquid-Cooled SOHC Unicam 4-Valve Motocross (2006, LAUNCH Year of Second Generation — Major Redesign with New Frame, New Bottom-End, and New Suspension)
• Honda CRF450R 449cc 4-Stroke Motocross (2007, Continued Production)
• Honda CRF450R 449cc 4-Stroke Motocross (2008, FINAL Carbureted Year — Keihin FCR-MX 41mm Flat-Slide)
• Honda CRF450R 449cc 4-Stroke Motocross (2009, LAUNCH of Fuel Injection — Honda PGM-FI Introduced)
• Honda CRF450R 449cc 4-Stroke Motocross (2010-2012, Continued Fuel-Injected Production)
• Honda CRF450R 449cc 4-Stroke Motocross (2013, Dual Exhaust System Introduced)
• Honda CRF450R 449cc 4-Stroke Motocross (2014-2015, Continued Production with Dual Exhaust)
• Honda CRF450R 449cc 4-Stroke Motocross (2016, FINAL Year of Second Generation — 2017 Brought Third-Generation Redesign)
• Honda CRF450R 96mm Bore × 62.1mm Stroke 4-Stroke 5-Speed Race-Spec Motocross
• Keihin FCR-MX 41mm Flat-Slide Carburetor (2006-2008) / Honda PGM-FI Electronic Fuel Injection (2009-2016)
• Kick-Start Only (No Electric Start)

SPECIFIC MODEL YEARS COVERED:
• Honda CRF450R 2006 (Launch Year of Second-Generation Major Redesign)
• Honda CRF450R 2007-2008 (Continued Carbureted Era)
• Honda CRF450R 2009 (Launch of Honda PGM-FI Fuel Injection)
• Honda CRF450R 2010-2012 (Continued FI Production)
• Honda CRF450R 2013-2015 (Dual Exhaust System Era)
• Honda CRF450R 2016 (Final Year of Second Generation)

NOTES:
• Compatible with Honda OEM crankshafts and aftermarket Hot Rods replacement crankshafts
• 2006 was a MAJOR REDESIGN year for the CRF450R — new frame, new bottom-end, and new suspension
• Second-generation CRF450R had an 11-year production run (2006-2016)
• 2009 introduced Honda PGM-FI fuel injection (carbureted years 2006-2008)
• 2013 introduced dual exhaust system (single exhaust years 2006-2012)
• 2017 brought third-generation redesign — different bottom-end, different kit
• Honda Unicam SOHC 4-valve cylinder head architecture (Honda's signature design)
• DOES NOT FIT 2002-2005 First-Generation Honda CRF450R (use K019 kit instead) — different bottom-end
• DOES NOT FIT 2017+ Third-Generation Honda CRF450R (different bottom-end)
• DOES NOT FIT Honda CRF450X off-road / closed-course enduro (use K063 kit instead) — different bottom-end
• 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
• 5-speed transmission, SOHC Unicam 4-valve cylinder head, wet sump lubrication, kick-start only

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  • 2.0 lbs.
  • W9.0000” x H0.8000” x L12.0000”
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