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Vertex Piston 19-23 Yamaha YZ 85 85cc Top End Piston Kit
Vertex Piston 19-23 Yamaha YZ 85 85cc Top End Piston Kit
Vertex Piston 19-23 Yamaha YZ 85 85cc Top End Piston Kit
Vertex Piston 19-23 Yamaha YZ 85 85cc Top End Piston Kit
Vertex Piston 19-23 Yamaha YZ 85 85cc Top End Piston Kit
Vertex Piston 19-23 Yamaha YZ 85 85cc Top End Piston Kit
Vertex Piston 19-23 Yamaha YZ 85 85cc Top End Piston Kit
Vertex Piston 19-23 Yamaha YZ 85 85cc Top End Piston Kit
Vertex Piston 19-23 Yamaha YZ 85 85cc Top End Piston Kit
Vertex Piston 19-23 Yamaha YZ 85 85cc Top End Piston Kit

Vertex Piston 19-23 Yamaha YZ 85 85cc Top End Piston Kit

$133.99
Exact fit A, B or C pistons match your cylinder bore perfectly to maximize power and performance, while reducing blow-by and oil consumption. All piston kits include piston, rings, wrist pin and circlips required.
  • Skirts are coated with a hi-tech molybdenum disulphide (MoS2) for faster break-in and increased piston life
  • Heat treated with T-5 hardening and tempering cycle

The Vertex Pistons Yamaha YZ 85 85cc Top End Piston Kit is designed for optimal performance and durability in powersports applications. Crafted to ensure an exact fit for models from 2019 to 2023, this kit includes all necessary components such as piston, rings, wrist pin, and circlips, providing a seamless installation process. The pistons are engineered to match your cylinder bore precisely, maximizing power output while minimizing blow-by and oil consumption for a more efficient engine operation. This precision fit helps maintain engine integrity and enhances overall performance during demanding riding conditions.

One of the key features of this piston kit is the high-tech molybdenum disulphide (MoS2) coating on the skirts, which facilitates faster break-in and extends piston life. This coating reduces friction between the piston and cylinder walls, contributing to smoother operation and improved engine longevity. Additionally, the pistons undergo a heat treatment process involving T-5 hardening and tempering, which significantly increases their strength and resistance to wear under high temperatures and stresses typical of motocross and off-road riding.

The Vertex Piston Kit is designed to meet the rigorous demands of powersports enthusiasts seeking reliable and high-performance engine components. This kit is perfect for rebuilding or upgrading your Yamaha YZ 85 engine, ensuring consistent performance and durability. Please note that this piston kit is not carb approved and is intended for off-road use only, with acknowledgment required for carb compliance. Whether you're restoring a vintage model or enhancing your current setup, the Vertex Pistons Yamaha YZ 85 85cc Piston Kit offers a professional-grade solution for your engine needs.

Features:

  • Exact fit for Yamaha YZ 85 models from 2019 to 2023 for seamless installation
  • Includes piston, rings, wrist pin, and circlips for complete assembly
  • Molybdenum disulphide (MoS2) coating on skirts for faster break-in and longer piston life
  • Heat treated with T-5 hardening and tempering for enhanced strength and durability
  • Designed to maximize power output while reducing blow-by and oil consumption