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OEM & Performance ATV, UTV & Dirt Bike Parts for Yamaha, Honda, Polaris, Can-Am & More — Shipped Fast from BPRATV
OEM & Performance ATV, UTV & Dirt Bike Parts for Yamaha, Honda, Polaris, Can-Am & More — Shipped Fast from BPRATV

Yamaha YZ85 YZ 85 Genuine OEM Cylinder Big Bore Stroker Motor Engine Rebuild Kit

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Original price $1,109.86
Original price $1,109.86 - Original price $1,109.86
Original price $1,109.86
Current price $998.88
$998.88 - $998.88
Current price $998.88

🔥 Yamaha YZ85 Big Bore +2mm Stroker Engine Rebuild Kit (2002–2018) 🔥

🛠️ Product Overview

Boost your YZ85's performance with this comprehensive engine rebuild kit, designed for 2002–2018 models. Featuring a Big Bore 52.50mm OEM cylinder and a +2mm Hot Rods stroker crankshaft, this kit increases displacement to approximately 103.5cc, delivering enhanced torque and power.

✅ What’s Included

  • Genuine Yamaha OEM 52.50mm Cylinder – Plated by Millennium Technologies for durability
  • Wiseco or Wossner Moly-Coated Race Piston – Includes nitrite rings, chrome wristpin, and circlips
  • Hot Rods +2mm Stroker Crankshaft Assembly – Complete with connecting rod
  • Hot Rods Wrist Pin Bearing
  • SKF or Hot Rods Main Crank Bearings
  • Transmission Bearing Kit
  • Water Pump Bearing
  • Clutch Arm Needle Bearing
  • Complete Gasket Kit
  • Crankcase Engine Oil Seal Kit
  • Maxlock Cylinder Head Stud Kit with Nuts
  • Maxlock Allen Drive Studs & Cylinder Dowel Pins
  • NGK Spark Plug

🚚 Model Fitment

• Yamaha YZ85 – Fits all years from 2002 through 2018

Advantage What It Means for You
+2mm Stroker Crankshaft Increases displacement for improved low-end torque and power
OEM Cylinder with Millennium Plating Top-tier durability and cylinder performance
High-Quality Bearings & Gaskets Complete bottom-end protection with OEM-equivalent components
Everything Included Simplifies your rebuild process with a complete package

❓ FAQs

  • Do I need to modify the cylinder for stroker clearance? – Yes, minor machining may be required for clearance.
  • Can I use pump gas? – Yes, this setup is compatible with pump or race fuel.
  • Are the parts all brand new? – Absolutely! Everything comes new in the original packaging.

🌟 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. We are an authorized distributor.
BRAPPPPPPPPPP!

🔥 Rebuild your YZ85 with power and confidence – Order this complete kit today! 🔥

© BPRATV LLC

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