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Crankshaft Main Bearing And Oil Seal Rebuild Kit Compatible With 2002-2018 Honda Crf450r Motocross

P400210444215A1
OEM PART NUMBERS:
• Honda: 91002-MEY-671 / 91002MEY671 (Bearing Crankshaft LH/MAG side — 2006-2018 CRF450R / 2006-2017 CRF450X)
• Honda: 91002-MEB-671 / 91002MEB671 (Bearing Crankshaft LH/MAG side — 2002-2005 CRF450R, superseded by MEY-671)
• Honda: 91001-MEB-671 / 91001MEB671 (Bearing Crankshaft RH/PTO side)
• Honda: 91201-MEB-671 / 91201MEB671 (Oil Seal Crankshaft LH/MAG side)
• Honda: 91202-MEY-671 / 91202MEY671 (Oil Seal Crankshaft RH/PTO side)

SPECIFICATIONS:
• Type: Crankshaft Main Bearing and Oil Seal Kit
• Kit Contents: 2 Main Bearings + 2 Crankshaft Oil Seals
• Main Bearings: NTN / SKF Roller Ball Bearing (per Athena specification)
• Bearing Brand Source: NTN (per Athena spec sheet)
• Oil Seal Material: Nitrile (NBR) with Sealing Lip
• Engine: 449cc Liquid-Cooled 4-Stroke DOHC 4-Valve Single-Cylinder
• Engine Code: MEB / MEY / MEN Generations
• Big-Bore Compatible: Works with engines bored to 490cc using Athena 100mm big bore kit
• Condition: New

APPLICATIONS:
• Honda CRF450R 449cc Liquid-Cooled 4-Stroke Motocross (2002-2018)
• Honda CRF450X 449cc Liquid-Cooled 4-Stroke Enduro (2005-2009, 2012-2017)
• CRF450R / CRF450X engines bored to 490cc with Athena big bore cylinder 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

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Description

HONDA CRF450 SHARED PLATFORM — Crankshaft Main Bearing and Seal Kit:

HONDA CRF450R MOTOCROSS (2002-2018) — 449cc Liquid-Cooled 4-Stroke DOHC Single:
• Honda CRF450R 449cc Liquid-Cooled 4-Stroke DOHC Motocross (2002)
• Honda CRF450R 449cc Liquid-Cooled 4-Stroke DOHC Motocross (2003)
• Honda CRF450R 449cc Liquid-Cooled 4-Stroke DOHC Motocross (2004)
• Honda CRF450R 449cc Liquid-Cooled 4-Stroke DOHC Motocross (2005)
• Honda CRF450R 449cc Liquid-Cooled 4-Stroke DOHC Motocross (2006)
• Honda CRF450R 449cc Liquid-Cooled 4-Stroke DOHC Motocross (2007)
• Honda CRF450R 449cc Liquid-Cooled 4-Stroke DOHC Motocross (2008)
• Honda CRF450R 449cc Liquid-Cooled 4-Stroke DOHC Fuel-Injected Motocross (2009)
• Honda CRF450R 449cc Liquid-Cooled 4-Stroke DOHC Fuel-Injected Motocross (2010)
• Honda CRF450R 449cc Liquid-Cooled 4-Stroke DOHC Fuel-Injected Motocross (2011)
• Honda CRF450R 449cc Liquid-Cooled 4-Stroke DOHC Fuel-Injected Motocross (2012)
• Honda CRF450R 449cc Liquid-Cooled 4-Stroke DOHC Fuel-Injected Motocross (2013)
• Honda CRF450R 449cc Liquid-Cooled 4-Stroke DOHC Fuel-Injected Motocross (2014)
• Honda CRF450R 449cc Liquid-Cooled 4-Stroke DOHC Fuel-Injected Motocross (2015)
• Honda CRF450R 449cc Liquid-Cooled 4-Stroke DOHC Fuel-Injected Motocross (2016)
• Honda CRF450R 449cc Liquid-Cooled 4-Stroke DOHC Fuel-Injected Motocross (2017)
• Honda CRF450R 449cc Liquid-Cooled 4-Stroke DOHC Fuel-Injected Motocross (2018)

HONDA CRF450X ENDURO (2005-2009, 2012-2017) — 449cc 4-Stroke Off-Road:
• Honda CRF450X 449cc Liquid-Cooled 4-Stroke DOHC Enduro Off-Road (2005)
• Honda CRF450X 449cc Liquid-Cooled 4-Stroke DOHC Enduro Off-Road (2006)
• Honda CRF450X 449cc Liquid-Cooled 4-Stroke DOHC Enduro Off-Road (2007)
• Honda CRF450X 449cc Liquid-Cooled 4-Stroke DOHC Enduro Off-Road (2008)
• Honda CRF450X 449cc Liquid-Cooled 4-Stroke DOHC Enduro Off-Road (2009)
• Honda CRF450X 449cc Liquid-Cooled 4-Stroke DOHC Enduro Off-Road (2012)
• Honda CRF450X 449cc Liquid-Cooled 4-Stroke DOHC Enduro Off-Road (2013)
• Honda CRF450X 449cc Liquid-Cooled 4-Stroke DOHC Enduro Off-Road (2014)
• Honda CRF450X 449cc Liquid-Cooled 4-Stroke DOHC Enduro Off-Road (2015)
• Honda CRF450X 449cc Liquid-Cooled 4-Stroke DOHC Enduro Off-Road (2016)
• Honda CRF450X 449cc Liquid-Cooled 4-Stroke DOHC Enduro Off-Road (2017)

BIG-BORE 490cc COMPATIBILITY:
• Compatible with Honda CRF450R / CRF450X engines bored to 490cc using Athena 100mm big bore cylinder kit

FITMENT NOTE:
Designed for Honda CRF450R motocross (2002-2018) and CRF450X enduro (2005-2009, 2012-2017 — Honda paused CRF450X production 2010-2011). The 91002-MEY-671 main crankshaft bearing is shared across the entire CRF450 platform. Does NOT fit CRF250R / CRF250X (smaller engine), CRF150R, CRF230F, CRF450L (different platform), TRX450R quad, or any other Honda model. The 2017+ CRF450R counterbalance shaft uses different bearings (separate kit required for full bottom-end rebuild on 2017+ models).

Details

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