YFZ450 YFZ 450 OEM Crank Big Bore Cylinder Kit Complete Motor Rebuild 98mm 478cc
Genuine Yamaha OEM, 5TG-11400-31-00,21001-K01,21001, 4044-1E, 4023-1IN, C3068,5TA-11311-12-00, 5TG-11631-11-00, 5TG-11631-12-00, 5TG-11603-00-00, 5TA-12170-00-00, 5TA-12170-10-00, 1PD-12180-00-00, 5TG-12180-00-00, 5TG-12180-10-00, 94591-57118-00, 21001, 13029M09800, C3068, 71014-5, 23001-G01, H1683027S, 5TJ-11631-00-00, MX-09151-1, 202421811570, 23001-K01, A-YFZ-98-CG, P400485100047, 4906M09800, 247952, M1009, 22208
🔥 YFZ450 YFZ 450 OEM Crank Big Bore Cylinder Kit Complete Motor Rebuild 98mm 478cc 🔥
🛠️ Product Overview
Upgrade your Yamaha YFZ450 carbureted model with this comprehensive 478cc big bore engine rebuild kit. Featuring a 98mm BPRATV Nikasil-plated cylinder and a genuine OEM Yamaha crankshaft, this kit delivers enhanced performance and reliability.
✅ What’s Included
- BPRATV 98mm Big Bore Nikasil Cylinder – 1-year warranty
- Genuine Yamaha OEM Crankshaft Assembly – Made in Japan
- Wiseco or CP-Carrillo 98mm 12.75:1 Forged Piston Kit* – Includes high-temp rings, chrome wristpin, and circlips
- MAXLOCK Titanium Cylinder Head Stud Kit – Lifetime warranty*
- SKF or Hot Rods Heavy-Duty Main Crank Bearings
- Transmission Bearing Kit
- Water Pump Rebuild Kit – Includes bearing and mechanical seal
- Complete Gasket Kit – With Cometic Big Bore MLS Head Gasket
- Complete Engine Oil Seal Kit
- BPRATV Heavy-Duty Cam Chain
- BPRATV Heavy-Duty Clutch Kit
🚚 Model Fitment
• Yamaha YFZ450 Carbureted Models Only (2004–2009, 2012–2013)
🔁 OEM Replacement
• Replaces OEM Part Numbers: 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
| Advantage | What It Means for You |
|---|---|
| 98mm Big Bore Cylinder | Increases displacement to 478cc for enhanced power |
| OEM Yamaha Crankshaft | Ensures factory-level reliability and performance |
| Forged Piston | Provides durability and compatibility with pump or race gas |
| Comprehensive Kit | Includes all necessary components for a complete engine rebuild |
❓ FAQs
- Is this kit compatible with fuel-injected YFZ450 models? – No, it's designed for carbureted models only (2004–2009, 2012–2013).
- Does the piston require race gas? – The 12.75:1 compression piston is compatible with high-octane pump gas; race gas is optional for maximum performance.
- Are any modifications required for installation? – No, this is a bolt-on kit with no case or head modifications needed.
🌟 Why Buy from BPRATV?
BPRATV – The Best Parts. The Best Performance. The Best Price.
All items are new, factory-sealed, and backed by full manufacturer warranty.
BRAPPPPPPPPPP!
Enhance your YFZ450's performance with this complete 478cc big bore rebuild kit! 🏁
© BPRATV LLC
