Yamaha YZ450F 2003-2005 Complete Engine Bottom End SKF Bearing Kit Main Bearings

2003-2005 Yamaha YZ450F Complete Bottom End SKF Engine & Transmission Bearing Kit

📖 Product Description

Upgrade your Yamaha with this premium BPRATV Complete Engine & Transmission Bearings Kit, engineered for maximum durability, smoother shifting, and long-lasting reliability. Featuring high-precision SKF bearings—crafted in Germany and France—this kit delivers superior performance compared to OEM bearings and is built to withstand aggressive riding, racing, and harsh environments.

🔥 Key Features & Benefits

This heavy-duty kit enhances drivetrain efficiency, reduces friction, and improves overall engine response—giving your YZ or WR a stronger, snappier feel on every ride.

• Premium SKF bearings with OEM or better load ratings
• Smoother, faster shifting with reduced drag
• Includes full engine seal kit for a complete bottom-end refresh
• Comparable to Hot Rods Part NumbersTBK0067, K022, BBK0011
• Built to handle extreme racing and off-road conditions

✅ Compatibility

This complete bottom-end bearings kit fits the following Yamaha performance off-road models.

• 2003–2005 Yamaha YZ450F
• 2001–2002 Yamaha YZ426F
• 2004–2006 Yamaha WR450F
• 2001–2002 Yamaha WR426F
• 2000 Yamaha WR400F

❓ Frequently Asked Questions (FAQ)

• Q: Are the bearings genuine SKF?

  A: Yes. Most kits ship with SKF bearings; in rare cases, NTN, Nachi, or Koyo may be included, all meeting or exceeding OEM standards.

• Q: Does this kit include every bearing for the bottom end?

  A: Yes — transmission, crankshaft mains, counter balancer, water pump, shift cam, clutch roller bearing, and all engine seals.

• Q: Will sealed bearings affect performance?

  A: No. Seals can be removed easily if your application requires open bearings.

• Q: Is this kit suitable for racing?

  A: Absolutely — these heavy-duty bearings are built for high-load, high-RPM, race-level abuse.

🌟 Why Buy from BPRATV? Trusted Performance Experts 🌟

At BPRATV, our promise is unwavering: The Best Parts. The Best Performance. We supply premium components trusted by riders who demand reliability, power, and value. Every kit is curated to deliver exceptional durability and maximum results for your Yamaha off-road machine. Trust BPRATV to keep your YZ or WR performing at its best, every single time.

Upgrade your Yamaha today — unleash smoother shifting and stronger performance!

BPRATV - The Best Parts. The Best Performance. The Best Price.

BRAPPPPPPPPPP!

© BPRATV LLC 1-year limited warranty from the manufacturer for material or workmanship defects.*

Due to the nature of high performance and racing applications, BPRATV LLC components are sold without express warranty or any implied warranty of merchantability or fitness for a specific purpose. BPRATV LLC shall not, under any circumstances, be liable for any specific, incidental or consequential damages, including, but not limited to, damage, or loss of property or equipment, loss of profits or revenue(s), cost of purchased or replacement goods, or claims of customers of the purpose, which may arise and/or shall result from sale, installation or use of these parts. Installation of these parts may void vehicle manufacturers warranty coverage and/or may cause the vehicle to be illegal in some locations.

This product is exempt from the emission standards and related 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]. This product is sold only for use in connection with EPA-certified, purpose-built, nonroad vehicles used solely for closed course, nonroad competition/racing and not used for any recreational purpose or on public highways or right of ways maintained by and open to the public. This product is sold only in connection with machines that do not fall under state and/or federal noise or emission standards/regulations. Purchasers who purchase this product represent and warrant that the product is purchased only in connection with EPA-certified, emission-regulations-exempt and noise-regulations-exempt competition/racing vehicles as interpreted under applicable state and/or federal law.