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New Crankshaft Main Bearing And Seal Kit Compatible With 2003-2006 Yamaha Kodiak 450 And 2007-2014

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K081A1
OEM PART NUMBERS:
• Yamaha: 93306-30533-00 (Crankshaft Main Bearing — primary, 2x required per engine)
• Yamaha: 93102-32102-00 (Crankshaft Oil Seal — primary)
• Yamaha: 93101-25M40-00 (Crankshaft Oil Seal — alternate)
• Catalog Kit Reference: K081

SPECIFICATIONS:
• Type: Crankshaft Main Bearing and Oil Seal Kit
• Application: Bottom-End Rebuild / Crankshaft Replacement
• Engine Coverage: Yamaha 421cc 4-Stroke Single-Cylinder Platform — Grizzly 450 / Kodiak 450 / Wolverine 450 / Rhino 450
• Engine Displacement: 421cc
• Bore × Stroke: 84.5mm × 75mm
• Engine Code: Yamaha 450 4-Stroke Single-Cylinder Family (Same Engine Across All Listed Models 2003-2014)
• Year Range: Kodiak 450 2003-2006 / Wolverine 450 2006-2010 / Rhino 450 2006-2009 / Grizzly 450 2007-2014
• Cylinder Configuration: Single-Cylinder Inline 4-Stroke Liquid-Cooled SOHC 4-Valve
• Transmission: Yamaha ULTRAMATIC CVT Automatic with Reverse
• Fuel Delivery: Mikuni BSR33 33mm Constant-Velocity Carburetor
• Lubrication: Wet Sump
• Starter: Electric Start with Auxiliary Recoil
• Kit Contents: 2x Crankshaft Main Bearings (Prelubed and Packaged with Waterproof Grease), 2x Crankshaft Oil Seals (Left and Right) with Sealing Lip
• Models Covered: Yamaha YFM 450 FA Kodiak 4x4 IRS (2003-2006), YFM 450 FG Grizzly 4x4 IRS (2007-2014), YFM 450 FGP Grizzly 4x4 EPS IRS (2009-2014), YFM 450 FX Wolverine 4x4 SRA (2006-2010), YXR 450 F Rhino 450 Side-by-Side UTV (2006-2009)
• Yamaha Trim Nomenclature: FA=Kodiak 4x4 / FG=Grizzly 4x4 / FGP=Grizzly EPS / FX=Wolverine SRA
• Use: Compatible with Yamaha OEM and Hot Rods aftermarket crankshafts
• Condition: New

APPLICATIONS:
• Yamaha YFM 450 FA Kodiak 4x4 IRS Utility ATV (2003-2006)
• Yamaha YFM 450 FG Grizzly 4x4 IRS Utility ATV (2007-2014)
• Yamaha YFM 450 FGP Grizzly 4x4 EPS IRS Utility ATV (2009-2014)
• Yamaha YFM 450 FX Wolverine 4x4 SRA Sport-Utility ATV (2006-2010)
• Yamaha YXR 450 F Rhino 450 Side-by-Side UTV (2006-2009)
• 421cc liquid-cooled 4-stroke SOHC single-cylinder, ULTRAMATIC CVT auto with reverse
• DOES NOT FIT Yamaha YFM 350 / 400 (smaller) or YFM 550 / 660 / 700 (larger) or 2018+ Kodiak 450

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

YAMAHA YFM 450 GRIZZLY UTILITY 4X4 ATV — 421cc 4-Stroke Liquid-Cooled SOHC 4-Valve Single-Cylinder (2007-2014):
• Yamaha YFM 450 FG Grizzly 4x4 IRS 421cc 4-Stroke Liquid-Cooled SOHC Utility ATV (2007, LAUNCH Year — Replaced Kodiak 450 Nameplate Same Engine Platform)
• Yamaha YFM 450 FG Grizzly 4x4 IRS (2008, Continued Production)
• Yamaha YFM 450 FGP Grizzly 4x4 EPS IRS Electric Power Steering Variant (2009-2014)
• Yamaha YFM 450 FG Grizzly 4x4 IRS (2010-2014, Continued Production with Various Trims)
• Yamaha YFM 450 FG Grizzly 4x4 IRS (2014, FINAL Year of 450 Grizzly)
• 84.5mm Bore × 75mm Stroke 4-Stroke ULTRAMATIC CVT Automatic Transmission
• Mikuni BSR33 33mm Constant-Velocity Carburetor
• IRS = Independent Rear Suspension

YAMAHA YFM 450 KODIAK UTILITY 4X4 ATV (2003-2006):
• Yamaha YFM 450 FA Kodiak 4x4 IRS 421cc 4-Stroke Utility ATV (2003, LAUNCH Year of 421cc Yamaha 450 Engine Platform — Replaced YFM400 Kodiak)
• Yamaha YFM 450 FA Kodiak 4x4 IRS (2004-2005, Continued Production)
• Yamaha YFM 450 FA Kodiak 4x4 IRS (2006, FINAL Year — 2007 Replaced by Grizzly 450 Same Engine Platform)
• Same 421cc engine bottom-end as Grizzly 450
• Kodiak 450 nameplate retired after 2006, but reused later for unrelated 2018+ Kodiak 450

YAMAHA YFM 450 WOLVERINE SPORT-UTILITY 4X4 ATV (2006-2010):
• Yamaha YFM 450 FX Wolverine 4x4 SRA 421cc 4-Stroke Sport-Utility ATV (2006, LAUNCH Year of Wolverine 450 — Sport-Tuned Variant with Solid Rear Axle)
• Yamaha YFM 450 FX Wolverine 4x4 SRA (2007-2009, Continued Production)
• Yamaha YFM 450 FX Wolverine 4x4 SRA (2010, FINAL Year — Discontinued After 2010)
• SRA = Solid Rear Axle (sport-tuned, different from IRS Grizzly/Kodiak)
• Same 421cc engine bottom-end

YAMAHA YXR 450 F RHINO 450 SIDE-BY-SIDE UTV (2006-2009):
• Yamaha YXR 450 F Rhino 450 421cc 4-Stroke Liquid-Cooled SOHC Side-by-Side Utility UTV (2006, LAUNCH Year — Yamaha's First 450cc-Class Side-by-Side UTV)
• Yamaha YXR 450 F Rhino 450 (2007-2008, Continued Production)
• Yamaha YXR 450 F Rhino 450 (2009, FINAL Year — Discontinued After 2009)
• Rhino 450 was the entry-level Rhino UTV (separate from Rhino 660/700)
• Same 421cc engine bottom-end

NOTES:
• Compatible with Yamaha OEM crankshafts and aftermarket Hot Rods replacement crankshafts
• 421cc 4-stroke single-cylinder = the common engine platform across ALL listed models
• Engine debuted in 2003 with the YFM450FA Kodiak 4x4 (replaced older YFM400 Kodiak)
• 2006 expanded the platform with Wolverine 450 (sport-tuned) and Rhino 450 UTV
• 2007 introduced Grizzly 450 (replaced Kodiak 450 nameplate — same engine platform rebranded)
• Yamaha trim nomenclature: FA=Kodiak 4x4 / FG=Grizzly 4x4 / FGP=Grizzly 4x4 EPS / FX=Wolverine 4x4 SRA
• 84.5mm × 75mm bore × stroke liquid-cooled 4-stroke SOHC 4-valve
• ULTRAMATIC CVT automatic transmission (Yamaha trademark) on all platforms
• DOES NOT FIT Yamaha YFM 350 / YFM 400 (smaller displacement) or YFM 550 / YFM 660 / YFM 700 (larger displacement)
• DOES NOT FIT 2018+ Yamaha Kodiak 450 (newer separate engine platform)
• 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; crank seals feature sealing lip designed to reduce crank pin wear

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