Cylinder and piston kit parts: cylinder, piston, rings, gaskets, and wrist pin

For 2005-21 Yamaha YZ125 YZ 125 54mm Bore Cylinder Top End Piston Kit w/ Gasket

$344.09
Skip to product information
Cylinder and piston kit parts: cylinder, piston, rings, gaskets, and wrist pin
  • Cylinder and piston kit parts: cylinder, piston, rings, gaskets, and wrist pin
  • Cylinder bore kit close-up with cylinder, piston, rings, sealing rings, and gaskets
  • RivetOak For 2005-21 Yamaha YZ125 YZ 125 54mm Bore Cylinder Top End Piston Kit w/ Gasket
  • Cylinder and piston kit components set: cylinder block, piston, rings, and gasket pack
  • Cylinder and piston kit diagram showing cylinder head, piston, pins, rings, and gaskets
  • Cylinder and piston kit with size diagram for cylinder and piston dimensions
  • Cylinder and piston kit featuring cylinder design details and inlet bore view
  • Cylinder assembly parts diagram: piston, wrist pin, circlips, rings, and gaskets
  • Gasket set with two black gaskets and two teal gasket seals
  • Cylinder and piston kit: aluminum cylinder block with piston and wrist pin
  • Aluminum cylinder block with bore opening for top end rebuild, front mounting ports
  • 54mm cylinder top end kit with piston and gasket, machined aluminum cylinder block
  • 54mm cylinder top end kit, machined aluminum cylinder with side opening and bolts
  • 54mm cylinder top end kit, machined aluminum cylinder with exhaust intake ports and holes
  • Cylinder and piston kit parts: cylinder, piston, rings, gaskets, and wrist pin
  • Cylinder bore kit close-up with cylinder, piston, rings, sealing rings, and gaskets
  • RivetOak For 2005-21 Yamaha YZ125 YZ 125 54mm Bore Cylinder Top End Piston Kit w/ Gasket
  • Cylinder and piston kit components set: cylinder block, piston, rings, and gasket pack
  • Cylinder and piston kit diagram showing cylinder head, piston, pins, rings, and gaskets
  • Cylinder and piston kit with size diagram for cylinder and piston dimensions
  • Cylinder and piston kit featuring cylinder design details and inlet bore view
  • Cylinder assembly parts diagram: piston, wrist pin, circlips, rings, and gaskets
  • Gasket set with two black gaskets and two teal gasket seals
  • Cylinder and piston kit: aluminum cylinder block with piston and wrist pin
  • Aluminum cylinder block with bore opening for top end rebuild, front mounting ports
  • 54mm cylinder top end kit with piston and gasket, machined aluminum cylinder block
  • 54mm cylinder top end kit, machined aluminum cylinder with side opening and bolts
  • 54mm cylinder top end kit, machined aluminum cylinder with exhaust intake ports and holes
For 2005-21 Yamaha YZ125 YZ 125 54mm Bore Cylinder Top End Piston Kit w/ Gasket

For 2005-21 Yamaha YZ125 YZ 125 54mm Bore Cylinder Top End Piston Kit w/ Gasket

$344.09
FREE, Fast Shipping on all orders!

Product Overview

This cylinder top end piston kit is an aftermarket replacement part designed for Yamaha YZ125 models from 2005 through 2021. It features a 54mm bore and includes a gasket set to support a top end rebuild. The kit is intended for use on compatible YZ125 machines within the listed year range.

Key Features

  • 54mm bore cylinder top end piston kit
  • Includes gasket set
  • Aftermarket replacement part
  • Compatible with Yamaha YZ125 models
  • Covered year range: 2005-2021

Compatibility & Fitment

  • Replacement part for Yamaha YZ125 2005-2021

Product Details

  • Product Type: Cylinder top end piston kit
  • Bore Size: 54mm
  • Model Application: Yamaha YZ125
  • Year Range: 2005-2021
  • Included Components: Piston kit with gasket

Frequently Asked Questions

Q: What is the purpose of a cylinder top end piston kit? A: A top end piston kit is used to rebuild the upper section of a two-stroke engine, replacing the piston and related components to restore proper compression and engine function.

Q: How do I verify this kit fits my machine? A: Confirm your exact model, year, and bore size by checking your owner's manual or measuring your existing cylinder before purchase. This kit has a 54mm bore and is listed for Yamaha YZ125 models from 2005-2021.

This is an aftermarket replacement part for the referenced application and is not represented as genuine or original equipment. Compatibility may vary by model, production date, serial number, or existing part number. Verify fitment before purchase.