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New Crankshaft Main Bearing And Seal Kit Compatible With 2007-2022 Honda Crf150r 149Cc 4-Stroke

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K052A1
OEM PART NUMBERS:
• Honda: 91001-KSE-671 (Crankshaft Main Bearing — primary, 2x required per engine)
• Honda: 91002-KSE-671 (Crankshaft Main Bearing — alternate/left side)
• Honda: 13000-KSE-671 (Crankshaft Assembly — full crank reference)
• Catalog Kit Reference: K052

SPECIFICATIONS:
• Type: Crankshaft Main Bearing and Oil Seal Kit
• Application: Bottom-End Rebuild / Crankshaft Replacement
• Engine Coverage: Honda CRF150R / CRF150RB 4-Stroke Single-Cylinder Liquid-Cooled Unicam SOHC Youth Motocross
• Engine Displacement: 149cc
• Bore × Stroke: 66mm × 43.7mm
• Engine Code: KSE Engine Family (Honda Internal Designation)
• Year Range: CRF150R 2007-2022 (Standard) / CRF150RB Expert 2007-2009, 2012-2022 (with 2010-2011 production gap)
• Cylinder Configuration: Single-Cylinder Inline 4-Stroke Liquid-Cooled Unicam SOHC 4-Valve
• Transmission: Manual 5-Speed
• Fuel Delivery: Keihin PWK Carburetor
• Lubrication: Wet Sump
• 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 CRF150R Standard Wheel Youth Motocross (2007-2022), Honda CRF150RB Expert / Big Wheel (2007-2009, 2012-2022)
• Use: Compatible with Honda OEM and Hot Rods aftermarket crankshafts
• Condition: New

APPLICATIONS:
• Honda CRF150R 4-Stroke 149cc Youth Motocross (2007-2022)
• Honda CRF150RB Expert / Big Wheel 4-Stroke 149cc Youth Motocross (2007-2009, 2012-2022 — 2010-2011 production gap)
• Same engine architecture as CRF250R / CRF450R — scaled down
• 2007 = launch year of Honda's first 4-stroke youth motocross

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: $176.03
Sale: $100.59
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Save: $75.44
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Description

HONDA CRF150R YOUTH MOTOCROSS — 149cc 4-Stroke Single-Cylinder Liquid-Cooled Unicam SOHC (2007-2022):
• Honda CRF150R 149cc 4-Stroke Single-Cylinder Liquid-Cooled Unicam SOHC 4-Valve Youth Motocross (2007, LAUNCH Year — Honda's First 4-Stroke Youth Motocross, Replaced 2-Stroke CR85R)
• Honda CRF150R 149cc 4-Stroke Single-Cylinder Liquid-Cooled Unicam SOHC 4-Valve Youth Motocross (2008-2012, Early Production Era)
• Honda CRF150R 149cc 4-Stroke Single-Cylinder Liquid-Cooled Unicam SOHC 4-Valve Youth Motocross (2013-2017, Mid-Production Era)
• Honda CRF150R 149cc 4-Stroke Single-Cylinder Liquid-Cooled Unicam SOHC 4-Valve Youth Motocross (2018-2022, Modern Production Era)
• Honda CRF150R 66mm Bore × 43.7mm Stroke 4-Stroke 5-Speed Race-Spec Youth Motocross
• Keihin PWK Carburetor, KSE engine family

HONDA CRF150RB EXPERT / BIG WHEEL — 149cc 4-Stroke (2007-2022):
• Honda CRF150RB Expert / Big Wheel 149cc 4-Stroke Single-Cylinder Liquid-Cooled Unicam SOHC Youth Motocross (2007, LAUNCH Year — Larger Wheel Size for Taller Riders)
• Honda CRF150RB Expert / Big Wheel 149cc 4-Stroke (2008-2009, Early Production)
• Honda CRF150RB Expert / Big Wheel 149cc 4-Stroke (2012-2022, Continued Production — 2010-2011 Non-Production Gap)
• "RB" = Race + Bigger Wheels — designed as a stepping stone between the CRF150R and CRF250R
• Same engine bottom-end architecture as the CRF150R

NOTES:
• Compatible with Honda OEM crankshafts and aftermarket Hot Rods replacement crankshafts
• 2007 was the LAUNCH year of the CRF150R — a major paradigm shift as Honda transitioned the youth motocross class from 2-stroke to 4-stroke (replacing the legendary CR85R)
• Same Unicam SOHC engine architecture as the larger CRF250R and CRF450R — just scaled down
• CRF150RB Expert/Big Wheel had a 2010-2011 non-production gap
• 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, Unicam SOHC 4-valve cylinder head, wet sump lubrication

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Shipping Information

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

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