OEM PART NUMBERS:
• Honda: 91001-HP1-601 (Right Crankshaft Main Bearing — primary)
• Honda: 91002-HP1-601 (Left Crankshaft Main Bearing — primary)
• Honda: 91202-HP1-601 (Right Crankshaft Oil Seal — primary)
• Honda: 91201-MEB-671 (Left Crankshaft Oil Seal — primary, shared with Honda CRF450R)
• Catalog Kit Reference: K047
SPECIFICATIONS:
• Type: Crankshaft Main Bearing and Oil Seal Kit
• Application: Bottom-End Rebuild / Crankshaft Replacement
• Engine Coverage: Honda TRX450R / TRX450ER 4-Stroke Single-Cylinder Liquid-Cooled Sport ATV
• Engine Displacement: 449cc
• Bore × Stroke: 96mm × 62.1mm
• Engine Code: TRX450R/ER (HP1 Engine Family — 2006+ Generation)
• Year Range: TRX450ER 2006-2014 (with 2010-2011 production gap) / TRX450R 2006-2009
• Cylinder Configuration: Single-Cylinder Inline 4-Stroke Liquid-Cooled Unicam SOHC 4-Valve
• Transmission: Manual 5-Speed with Reverse
• Starting: Kick-Start (TRX450R) or Electric-Start (TRX450ER)
• 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: Honda TRX450ER Electric-Start Sport ATV (2006-2014, with 2010-2011 production gap), Honda TRX450R Kick-Start Sport ATV (2006-2009)
• Use: Compatible with Honda OEM and Hot Rods aftermarket crankshafts
• Condition: New
APPLICATIONS:
• Honda TRX450ER 4-Stroke 449cc Electric-Start Sport ATV (2006-2014, with 2010-2011 production gap)
• Honda TRX450R 4-Stroke 449cc Kick-Start Sport ATV (2006-2009)
• HP1 engine family 2006+ generation
• 2014 = final production year of the entire 450 sport ATV platform
• DOES NOT FIT 2004-2005 First-Generation TRX450R — uses K046 kit instead
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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