Wiseco Crankshaft Kit Yamaha YZ450F (2006-2009)
Yamaha YZ450F Complete Crankshaft Kit – Wiseco (WPC151)
Bring your YZ450F back to life with this complete bottom-end rebuild kit from Wiseco, engineered for maximum durability, precision balance, and OEM-level performance. Each crank is factory assembled, trued, and ready to install for smooth power delivery and long service life.
✅ What’s Included
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Complete Wiseco crankshaft assembly (pre-trued and balanced)
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Main crank bearings
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Bottom-end gasket kit
📦 Fitment
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2006 – 2009 Yamaha YZ450F
Direct bolt-in replacement—no machining or modifications required.
🛡️ Warranty Info
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Manufacturer warranty against defects in materials and workmanship
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Meets or exceeds OEM specifications
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Prop 65 warning applies (California)
🔑 Key Features
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Factory-assembled and precision-trued to OEM specs
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Double-forged connecting rods for maximum strength and grain flow consistency
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Shot-peened finish eliminates stress points and increases fatigue resistance
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Optimized bearing clearances for improved oil flow and longevity
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Double-drilled small ends for enhanced piston-pin lubrication and cooling
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Complete kit includes everything for a full bottom-end refresh
💲 Price & SKU
Price: $624.95
SKU / Part Number: 0921-0432 | Wiseco WPC151
Estimated Shipping Weight: 12.27 lbs
Handling Time: Ships Next Business Day
📦 Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
- Sneakers: 1–2 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact us—we respond within 24 hours.