💣 Yamaha Banshee +4mm Stroker Bottom End Rebuild Kit – All Years
This is your go-to bottom end stroker rebuild kit for all Yamaha Banshee models. Whether you're refreshing a tired setup or building a +4mm stroker motor, this kit delivers durability, smooth power, and long-lasting internals — all bolt-on with no case mods required.
✅ Fits all Yamaha Banshee years and models
✅ Designed for use with a +4mm crankshaft and 115mm rods
Hotrods +4mm Stroker Crankshaft with Rods
Trued and welded for maximum strength
Complete Gasket Kit
Complete Engine Seal Kit
Cometic One-Piece Base Gasket
Cool Head O-Ring Kit
Wiseco Heavy-Duty Clutch Kit
Transmission Bearing Kit
Water Pump Bearing
Wrist Pin Bearings
TZ + Maxload Outer Crank Bearings
Billet Water Pump Impeller
Clutch Pusher with Bearing Mod
Ceramic Clutch Ball – Won’t weld to pushrod
Maxlock Allen Head Stud Kit
Maxlock Cylinder-to-Case Stud Kit (Allen Head)
Bolt-on stroker upgrade – Ideal for 392cc to 421cc builds
Includes all gaskets, seals, and bearings for bottom end
Premium Maxlock studs = less flex and better sealing
All parts are brand new and covered by warranty
Built for reliability, power, and long-term performance
📦 Shipping Time:
Ships in 5–7 business days. Tracking provided when your order ships.
💬 Customer Support:
Available Monday–Friday, 7 AM to 4 PM PST, with live chat open 24/7 for fast support.
We ship next day most of the time. Modquad parts are shipped Monday-Thursday. Engine Kits are 3-5 business days.
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