Yamaha YFZ450 Complete Rebuild Kit OEM Cases 95mm Big Bore

SKU 265214271051

🔧 Yamaha YFZ450 Complete Rebuild Kit w/ OEM Crankcases – 95mm Big Bore + Forged Piston

FITS ALL YAMAHA YFZ450 CARB MODELS & YEARS – INCLUDING SE, SP, V, W & LE EDITIONS!
Whether you’re restoring a tired engine or upgrading with confidence, this kit gives you everything: OEM crankcases, forged internals, a 95mm cylinder, and high-performance components built to handle pump or race gas.

✅ What’s Included:

• Brand New OEM Crankcases – Genuine Yamaha quality

• Cylinder Works or Athena 95mm Big Bore Cylinder

• Forged Piston (CP, JE, or Wiseco) – Includes rings, wrist pin, and circlips

• Hi-Temp Piston Rings

• Chrome Wrist Pin & Circlips

• Hotrods or Wiseco Crankshaft w/ Rod

• HD Crank Bearings

• Water Pump Bearing & Billet Impeller w/ Gear

• K&N Oil Filter

• Talon Titanium Cylinder Head Stud Kit – Lifetime warranty*

• Complete Gasket Kit (Top & Bottom End)

• Complete Crankcase Oil Seal Kit

• Valve Stem Seals

• Heavy-Duty Timing Chain

• HD Clutch Kit

• Stickers

• Compatible with Pump or Race Fuel

🔥 Key Features:

• 🧱 OEM Crankcases – Start fresh with the foundation of a reliable build

• 🧰 Complete Internal Refresh – Everything included from crank to clutch

• 💪 Big Bore Power – 95mm cylinder for extra displacement and torque

• 🔩 Titanium Stud Kit – Backed by a lifetime warranty under use

• 🛠️ Drop-In Ready – Direct fit for all YFZ450 carbureted models

• 🛡️ Built for Durability – Ideal for trail, track, or dune abuse

📅 Compatibility:

✅ Fits ALL Yamaha YFZ450 Carbureted Models
📦 Covers Standard, Special Edition, Bill Balance Edition, Custom Graphics & LE Models

Supported Years and Submodels:

• 2004–2013 Yamaha YFZ450

• YFZ450LE (2004)

• YFZ450SE (2005–2007)

• YFZ450SE2 (2007)

• YFZ450SP / SP2 (2008)

• YFZ450V (Bill Balance Edition – 2006, 2007)

• YFZ450W (Custom Graphics – 2012, 2013)

🛡️ Warranty Info:

This kit is backed by a 1-Year Warranty on all BPRATV-supplied parts and a Lifetime Warranty on Talon titanium studs (during use, not installation).
Must be installed by a qualified mechanic. All warranty claims require return of parts for inspection—no exceptions.