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Due to Thanksgiving and the holiday rush, our current handling time is approximately 4–5 business days. We sincerely appreciate your patience and understanding. We truly appreciate your business and are thankful for another great year serving our customers. If you have any questions or concerns, please contact us—our team is working as hard as possible to ship all orders promptly.
Due to Thanksgiving and the holiday rush, our current handling time is approximately 4–5 business days. We sincerely appreciate your patience and understanding. We truly appreciate your business and are thankful for another great year serving our customers. If you have any questions or concerns, please contact us—our team is working as hard as possible to ship all orders promptly.
Yamaha YZ450F 95mm Cylinder 12.5:1 Wiseco Piston Crank Engine Rebuild Kit '03-05
Yamaha YZ450F 95mm Cylinder 12.5:1 Wiseco Piston Crank Engine Rebuild Kit '03-05
Yamaha YZ450F 95mm Cylinder 12.5:1 Wiseco Piston Crank Engine Rebuild Kit '03-05
Yamaha YZ450F 95mm Cylinder 12.5:1 Wiseco Piston Crank Engine Rebuild Kit '03-05
Yamaha YZ450F 95mm Cylinder 12.5:1 Wiseco Piston Crank Engine Rebuild Kit '03-05
Yamaha YZ450F 95mm Cylinder 12.5:1 Wiseco Piston Crank Engine Rebuild Kit '03-05
Yamaha YZ450F 95mm Cylinder 12.5:1 Wiseco Piston Crank Engine Rebuild Kit '03-05
Yamaha YZ450F 95mm Cylinder 12.5:1 Wiseco Piston Crank Engine Rebuild Kit '03-05
Yamaha YZ450F 95mm Cylinder 12.5:1 Wiseco Piston Crank Engine Rebuild Kit '03-05
Yamaha YZ450F 95mm Cylinder 12.5:1 Wiseco Piston Crank Engine Rebuild Kit '03-05
Yamaha YZ450F 95mm Cylinder 12.5:1 Wiseco Piston Crank Engine Rebuild Kit '03-05
Yamaha YZ450F 95mm Cylinder 12.5:1 Wiseco Piston Crank Engine Rebuild Kit '03-05
Yamaha YZ450F 95mm Cylinder 12.5:1 Wiseco Piston Crank Engine Rebuild Kit '03-05
Yamaha YZ450F 95mm Cylinder 12.5:1 Wiseco Piston Crank Engine Rebuild Kit '03-05
Yamaha YZ450F 95mm Cylinder 12.5:1 Wiseco Piston Crank Engine Rebuild Kit '03-05
Yamaha YZ450F 95mm Cylinder 12.5:1 Wiseco Piston Crank Engine Rebuild Kit '03-05
Yamaha YZ450F 95mm Cylinder 12.5:1 Wiseco Piston Crank Engine Rebuild Kit '03-05
Yamaha YZ450F 95mm Cylinder 12.5:1 Wiseco Piston Crank Engine Rebuild Kit '03-05
Yamaha YZ450F 95mm Cylinder 12.5:1 Wiseco Piston Crank Engine Rebuild Kit '03-05
Yamaha YZ450F 95mm Cylinder 12.5:1 Wiseco Piston Crank Engine Rebuild Kit '03-05
Yamaha YZ450F 95mm Cylinder 12.5:1 Wiseco Piston Crank Engine Rebuild Kit '03-05
Yamaha YZ450F 95mm Cylinder 12.5:1 Wiseco Piston Crank Engine Rebuild Kit '03-05
Yamaha YZ450F 95mm Cylinder 12.5:1 Wiseco Piston Crank Engine Rebuild Kit '03-05
Yamaha YZ450F 95mm Cylinder 12.5:1 Wiseco Piston Crank Engine Rebuild Kit '03-05

Yamaha YZ450F 95mm Cylinder 12.5:1 Wiseco Piston Crank Engine Rebuild Kit '03-05

by BPRATV
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4050,PWR139-100,WPC139,4785M09500,M1011,C3066,CBK0088,20001, M1011, WPC139, C3066, CBK0088, 4050, 193564111432, WB1069, B5000,K022, 808677, 822228, 20001, 4786M09500, 4785M09500 856D300 M1011, 4050, 808677, 5GR-17471-10-00, 90387-2513F-00, 90215-21001-00, 421-3067, 5TA-11181-00-00, 90430-06014-00, 5TA-11633-00-00, 93420-18082-00, 5TJ-11631-00-00, 5TA-11351-00-00, 5JG-11603-00-00, 822228, 811677, 5D3-13300-00-00, 5D3-15155-00-00, CR8EB, 871480, 1106-0146, M1011, K022, KN-141, CBK0088, TBK0067, 93306-20532-00, 93306-00426-00,80-81900, 80-80206, 80-80213H, 80-80215H, 80-80217H, 71014-5, 20001, 5TA-11311-00-00, 5TA-11311-12-00, 5TA-12111-00-00, 5TA-11631-00-00, 5TA-12112-00-00, 5TA-12121-00-00, 3GM-12126-00-00, 5TA-12113-00-00, 5TJ-11631-00-00, 5JG-11603-00-00, 5TA-11633-00-00, 93420-18082-00, 5TA-11351-00-00, 5TA-11193-00-00, 5TA-12114-00-00, 5BE-12117-00-00, 4GY-12117-00-00, 33M-12119-00-00, 4SV-12119-00-00

4050,PWR139-100,WPC139,4785M09500,M1011,C3066,CBK0088,20001, M1011, WPC139, C3066, CBK0088, 4050, 193564111432, WB1069, B5000,K022, 808677, 822228, 20001, 4786M09500, 4785M09500 856D300 M1011, 4050, 808677, 5GR-17471-10-00, 90387-2513F-00, 90215-21001-00, 421-3067, 5TA-11181-00-00, 90430-06014-00, 5TA-11633-00-00, 93420-18082-00, 5TJ-11631-00-00, 5TA-11351-00-00, 5JG-11603-00-00, 822228, 811677, 5D3-13300-00-00, 5D3-15155-00-00, CR8EB, 871480, 1106-0146, M1011, K022, KN-141, CBK0088, TBK0067, 93306-20532-00, 93306-00426-00,80-81900, 80-80206, 80-80213H, 80-80215H, 80-80217H, 71014-5, 20001, 5TA-11311-00-00, 5TA-11311-12-00, 5TA-12111-00-00, 5TA-11631-00-00, 5TA-12112-00-00, 5TA-12121-00-00, 3GM-12126-00-00, 5TA-12113-00-00, 5TJ-11631-00-00, 5JG-11603-00-00, 5TA-11633-00-00, 93420-18082-00, 5TA-11351-00-00, 5TA-11193-00-00, 5TA-12114-00-00, 5BE-12117-00-00, 4GY-12117-00-00, 33M-12119-00-00, 4SV-12119-00-002003-2005 Yamaha YZ450F Motor Rebuild Kit – Complete Engine Overhaul with BPRATV Cylinder, Wiseco Piston, Crankshaft & Cometic Gaskets

Revive the heart of your 2003-2005 Yamaha YZ450F and dominate the track with the Ultimate Motor Rebuild Kit designed for champions. Crafted for precision, durability, and unbeatable performance, this comprehensive kit includes everything you need for a top-to-bottom engine overhaul, delivering factory-like reliability with race-winning power upgrades.

Fits Yamaha YZ450F Models – 2003, 2004, 2005 ONLY.

  • BPRATV 95mm Stock Bore Nikasil Plated Cylinder – Built for performance and backed by a 1-Year Warranty for worry-free reliability.
  • Wiseco 95mm 12.5:1 Forged Piston Kit – Engineered for high compression and raw power, includes rings, wrist pin, and circlips.
  • Wiseco Heavy Duty Crankshaft & Main Bearings – Assembled for rugged endurance with premium Japanese-made Koyo or NTN bearings.
  • Complete Gasket & Seal Kits by Cometic and Wiseco – Top-quality components for a leak-free, ultra-durable rebuild.
  • Kibblewhite Precision's Legendary Red Viton Valve Stem Seals – Legendary seals trusted by professionals for extended performance under pressure.
  • Heavy-Duty Cam Timing Chain by BPRATV – Reliable timing for all-out throttle response.
  • Comprehensive Kit Warranty – Every component is backed by a 1-Year Warranty to ensure unmatched confidence and peace of mind.

    • 🔁 OEM Replacement

    • Replaces Yamaha OEM Part Numbers: 5TA-11311-00-00, 5TA-12111-00-00, 5TA-11631-00-00, 5TA-12112-00-00, 5TA-12121-00-00, 5TA-12113-00-00, 5TA-11633-00-00, 5TA-11351-00-00, 5TA-11193-00-00, 5TA-12114-00-00, 5BE-12117-00-00, 4GY-12117-00-00, 33M-12119-00-00, 4SV-12119-00-00

    ❓ FAQs

    • Is this kit compatible with my 2003 YZ450F? – Yes, this kit is designed for 2003–2005 Yamaha YZ450F models.
    • Can I use pump gas with the 12.5:1 compression piston? – Yes, high-octane pump gas is suitable; race gas optional for max performance.
    • Does this kit include everything needed for a complete rebuild? – Yes, it includes all top and bottom-end components required for a full engine overhaul.

    All items are new, factory-sealed, and backed by full manufacturer warranty.

    Whether you’re looking to restore your YZ450F to its factory glory or push its limits on the track, this championship-grade rebuild kit offers premium parts at the best value—guaranteed.

    Get yours now and get ridding with confidence! 

    💥 BPRATV: The Best Parts. The Best Performance. The Best Price.

    BRAPPPPPPPPPP!

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