Yamaha Banshee Alpha Cub Complete Engine Kit – Stock Bore

🔧 Alpha Cub Complete Engine Kit – Yamaha Banshee (All Years)
Stock Bore, Stock Stroke – Performance & Reliability Combined

This is the ultimate stock bore upgrade for any Yamaha Banshee rider. Featuring the CPI Alpha Cub Cylinder and a complete engine rebuild package, this kit offers OEM fitment with superior materials, performance, and longevity.

✅ What's Included:

• CPI Alpha Cub Cylinder – stock bore, stock stroke, triple port, NIKASIL plated (Lifetime Warranty*)

• Billet Cool Head w/ Pump Gas Domes

• Wiseco Pro Lite 513M06400 Forged Pistons

• Nitrite Coated Piston Rings

• Chrome Wristpins & Circlips

• Wiseco or Hotrods Crankshaft Assembly with Rods

• Wristpin Bearings

• Maxload & TZ Outer Main Bearings

• Transmission Bearings

• Shift Cam Bearing

• Water Pump Bearing

• Billet Water Pump Impeller

• Wiseco HD Clutch Kit

• Complete Gasket Kit

• Complete Seal Kit

• NGK Spark Plugs

• Maxlock Titanium Head Stud Kit – Lifetime Warranty*

• Maxlock Titanium Cylinder to Crankcase Stud Kit

• Cub Cylinder Extended Studs

• Cylinder to Case Dowel Pins

• 12-Point Base Nuts

• Cool Head O-Ring Kit

• Water Jacket Plugs

📦 Handling Time

Ships in 5–7 business days. All kits are hand-picked, packed, and double-checked by our expert team.

⚠️ Important Fitment Note

Fits all Yamaha Banshee models and years. Designed as a direct stock replacement – no case or head modifications required.

🔒 Warranty Overview

• Alpha Cub Cylinder: Lifetime replacement warranty – must be returned for inspection.

• Titanium Studs: Lifetime replacement warranty (failure from use only, not install-related).

• All other parts: 1-year warranty against manufacturer defects.

• Professional installation is required. Improper install, break-in, or tuning voids warranty. No exceptions for photo or phone-based claims.