Yamaha YFZ450 Bottom End Engine Rebuild Kit Hot Rods Crank SKF Bearings Gaskets

Yamaha YFZ450 Bottom End Engine Rebuild Kit Hot Rods Crank SKF Bearings Gaskets

4073, C3338, CBK01092, 0001, M1000, WPC231, C3066, CBK0109, 808869, 822238, 94591-57118-00, 93306-30633-00, 5TG-11651-00-00, 93310-63437-00, 5TG-11681-01-00, 5TG-11400-21-00, 5TG-11412-00-00, 5TG-11422-00-00, 5TA-11311-12-00, 5TG-11633-10-00, 5TG-11603-00-00, 99999-03528-00, 99009-20500-00, 5TA-11181-00-00, 5TA-11351-00-00, 4FM-12213-00-00, 5TA-11311-00-00, 5TA-11311-01-00, 5TG-11631-12-00, 93450-22027-00, 4865M09500, 4835M09500, M1100, 284685, K022

🔥 Yamaha YFZ450 Bottom End Rebuild Kit – Hot Rods Crank, SKF Bearings & Gaskets 🔥

🛠️ Product Overview

Rebuild your Yamaha YFZ450 engine with this premium bottom end kit. Engineered for performance and longevity, this kit includes top-tier components such as a Hot Rods crankshaft, SKF or Hot Rods bearings, and Cometic gaskets.

✅ What’s Included

  • Hot Rods Heavy Duty Crankshaft Assembly – Includes connecting rod, pre-assembled
  • SKF or Hot Rods Main Crank Bearings
  • Cometic Top End Gasket Kit – Includes 95mm Stock Bore MLS Head Gasket
  • Cometic Bottom End Gasket Kit
  • Vertex or Moose Racing Engine Oil Seal Kit
  • Viton Valve Stem Seals
  • 1-Year Warranty – All parts backed for peace of mind

🚚 Model Fitment

• Yamaha YFZ450 (Carb Models Only) – Years: 2004, 2005, 2006, 2007, 2008, 2009, 2012, 2013

🔁 Notes

• If you need a 98mm Big Bore head gasket, see our other kits or message us directly.

❓ FAQs

  • Is this compatible with EFI models? – No, this is for carbureted models only.
  • Are all gaskets included? – Yes, complete top and bottom end gaskets are included.

🌟 Why Buy from BPRATV?

BPRATV – The Best Parts. The Best Performance. The Best Price.
All items are brand new, factory-sealed, and backed by a full manufacturer warranty.
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NOTICE REGARDING PHOTOS: Product photos used in our listings are for example only to show the high quality of our components. You will receive the correct quantity, size, and fitment of bearings, titanium fasteners, nuts, and bolts for the specific kit listed.

BEARING NOTICE: In some cases, you may receive SEALED bearings. If your application requires an OPEN bearing, the seals can easily be removed.

EMISSIONS & RACE USE ONLY: This product is exempt from emission standards and requirements of 40 C.F.R. § 1051 as provided by 40 C.F.R. § 1051.620, and California law [e.g., vehicle code §§ 27156 and 38391]. Sold ONLY for use with EPA-certified, purpose-built, nonroad vehicles used solely for closed course, nonroad competition/racing. Installation may void vehicle manufacturers' warranty and/or may be illegal in some locations.

WARRANTY & LIABILITY: © BPRATV LLC 1-year limited warranty from manufacturer for material/workmanship defects.* Due to the nature of high performance and racing, components are sold without express/implied warranty of merchantability or fitness for a specific purpose. BPRATV LLC shall not be liable for specific, incidental, or consequential damages (loss of property, equipment, profits, or revenue) resulting from sale, installation, or use of these parts. This product is NOT DIY; we strongly recommend work be done by a qualified, experienced mechanic.

RETURNS: Returns accepted within 30 days for items 100% complete, brand new, and in original packaging. Items installed or prepped (lubricated/sealed) are ineligible. For warranty consideration, parts MUST be sent back for physical inspection. No exceptions. We do not warranty based on photos, emails, or third-party assessments.

SPECIALTY WARRANTIES: Cub Cylinders: Lifetime warranty for original owner via BPRATV/Millennium Technologies inspection; covers cylinder only. Titanium Fasteners: Failure during use results in replacement only. Neither warranty covers improper tuning, installation, maintenance, or misuse.

INTERCHANGEABLE PARTS: We may substitute parts of equal quality from different manufacturers to prevent backorder delays. Prices and listings subject to change without notice.

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