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New Crankshaft Main Bearing And Seal Kit Compatible With 2014-2018 Yamaha Yz250f Yz250fx Wr250f

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K021A1
OEM PART NUMBERS:
• Yamaha: 93306-20648-00 (Crankshaft Main Bearing — primary, 2x required per engine)
• Yamaha: 93306-20351-00 (Crankshaft Main Bearing — alternate part number)
• Yamaha: 93102-20485-00 (Crankshaft Oil Seal — primary)
• Yamaha: 93102-25331-00 (Crankshaft Oil Seal — alternate part number)
• Catalog Kit Reference: K021

SPECIFICATIONS:
• Type: Crankshaft Main Bearing and Oil Seal Kit
• Application: Bottom-End Rebuild / Crankshaft Replacement
• Engine Coverage: Yamaha YZ250F / WR250F / YZ250FX / WR250R / WR250X 4-Stroke Single-Cylinder Liquid-Cooled
• Engine Displacement: 249cc
• Bore × Stroke: 77mm × 53.6mm
• Year Range: YZ250F / WR250F 2001-2018, YZ250FX 2015-2018, WR250R / WR250X 2008
• Cylinder Configuration: Single-Cylinder Inline 4-Stroke Liquid-Cooled DOHC 4-Valve
• Transmission: 5-Speed (YZ250F / WR250F / YZ250FX) or 6-Speed (WR250R / WR250X)
• Kit Contents: 2x Crankshaft Main Bearings (Prelubed and Packaged with Waterproof Grease), 2x Crankshaft Oil Seals (Left and Right) with Sealing Lip
• Models Covered: YZ250F Motocross, WR250F Enduro, YZ250FX Cross-Country, WR250R Dual Sport (2008), WR250X Supermoto (2008)
• Use: Compatible with Yamaha OEM and Hot Rods aftermarket crankshafts
• Condition: New

APPLICATIONS:
• Yamaha YZ250F 4-Stroke 249cc DOHC Motocross (2001-2018)
• Yamaha WR250F 4-Stroke 249cc DOHC Off-Road / Enduro (2001-2018)
• Yamaha YZ250FX 4-Stroke 249cc DOHC Cross-Country (2015-2018)
• Yamaha WR250R 4-Stroke 249cc DOHC Dual Sport (2008)
• Yamaha WR250X 4-Stroke 249cc DOHC Supermoto (2008)
• DOES NOT FIT 2019 and Newer YZ250F / WR250F / YZ250FX — different bearings required

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: $194.37
Sale: $111.07
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Save: $83.30
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Description

YAMAHA YZ250F 4-STROKE MOTOCROSS — 249cc Single-Cylinder Liquid-Cooled DOHC (2001-2018):
• Yamaha YZ250F 249cc 4-Stroke DOHC 4-Valve Single-Cylinder Liquid-Cooled (2001-2005, Launch and Early Production Era)
• Yamaha YZ250F 249cc 4-Stroke DOHC 4-Valve Single-Cylinder Liquid-Cooled (2006-2010, Aluminum Frame Era)
• Yamaha YZ250F 249cc 4-Stroke DOHC 4-Valve Single-Cylinder Liquid-Cooled (2011-2013, Refined Production)
• Yamaha YZ250F 249cc 4-Stroke DOHC 4-Valve Single-Cylinder Liquid-Cooled (2014-2018, Reverse-Head Era)
• 77mm Bore × 53.6mm Stroke 4-Stroke 5-Valve Race-Spec Motocross

YAMAHA WR250F 4-STROKE OFF-ROAD / ENDURO (2001-2018):
• Yamaha WR250F 249cc 4-Stroke DOHC 4-Valve Single-Cylinder Liquid-Cooled (2001-2009, Off-Road / Enduro Variant)
• Yamaha WR250F 249cc 4-Stroke DOHC 4-Valve Single-Cylinder Liquid-Cooled (2011-2013, Continued Production)
• Yamaha WR250F 249cc 4-Stroke DOHC 4-Valve Single-Cylinder Liquid-Cooled (2015-2018, Modern Production Era)
• Wide-ratio transmission, off-road-tuned suspension

YAMAHA YZ250FX CROSS-COUNTRY VARIANT (2015-2018):
• Yamaha YZ250FX 249cc 4-Stroke DOHC 4-Valve Single-Cylinder Liquid-Cooled Cross-Country (2015-2018)
• Closed-course off-road variant of the YZ250F with revised gearing and electric start

YAMAHA WR250R DUAL SPORT and WR250X SUPERMOTO — 2008 ONLY:
• Yamaha WR250R 249cc 4-Stroke DOHC 4-Valve Liquid-Cooled Street-Legal Dual Sport (2008, Single-Year US Market)
• Yamaha WR250X 249cc 4-Stroke DOHC 4-Valve Liquid-Cooled Supermoto Variant (2008, Single-Year US Market)
• Same bottom-end engine as the off-road WR250F

NOTES:
• Compatible with Yamaha OEM crankshafts and aftermarket Hot Rods replacement crankshafts
• 2001 = LAUNCH year of YZ250F — Yamaha's revolutionary first 250cc 4-stroke motocross bike
• 2018 = final year of this engine generation — 2019+ uses different bottom-end (separate kit required)
• Quality alternative to expensive Yamaha 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
• 5-speed transmission (YZ250F / WR250F / YZ250FX) or 6-speed (WR250R / WR250X)

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

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