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HPSP RACING RG-GAMMA Y125Z (PNP) PISTON SINGLE & DOUBLE RING SET HPSP RACING 67MM1 / 4
Piston

HPSP RACING RG-GAMMA Y125Z (PNP) PISTON SINGLE & DOUBLE RING SET HPSP RACING 67MM

RM145

HPSP Racing RG-Gamma piston set for the Yamaha Y125Z, sold as plug-and-play (PNP) complete piston and ring sets in Pin 16, for engine rebuilds and bore-up work on the Y125Z 2-stroke engine.

Option

1

In stock · Estimated delivery: 3–7 business days (West Malaysia)

Product Details

Overview

HPSP Racing RG-Gamma piston set for the Yamaha Y125Z, sold as plug-and-play (PNP) complete piston and ring sets in Pin 16, for engine rebuilds and bore-up work on the Y125Z 2-stroke engine.

Key Features

  • Complete piston set with single ring or double ring option
  • Pin 16 piston pin size
  • Piston made in Taiwan, piston rings made in Japan
  • PNP (plug-and-play) fitment for Y125Z

Specifications

Brand
HPSP Racing
Product
RG-Gamma piston set
Model/SKU
RG-Gamma, Pin 16
Type
Racing piston + ring set (single/double ring)
Material
Piston - Taiwan-made; Ring - Japan-made (seller-stated origin)
Compatibility
Yamaha Y125Z (PNP)

Variants & Setup

Available bore sizes: 64mm, 65mm, 66mm, 67mm, 68mm, in single ring or double ring configuration. Choose the bore matching your cylinder block; a double-ring piston is generally used where extra ring sealing is preferred over a single-ring setup.

Installation & Package

Fitting requires matching cylinder bore and should be done during an engine rebuild by a mechanic familiar with the Y125Z. Package: 1x piston with ring set, pin size 16.

Summary

HPSP Racing RG-Gamma Pin 16 piston set for Yamaha Y125Z, Taiwan piston with Japan rings, in 64-68mm bore sizes.

Important Notes

Confirm your block bore size (64-68mm) and that your con-rod uses Pin 16 before ordering, as mismatched sizes cannot be installed. This is a racing/performance part for modified builds.

Frequently Asked Questions

The seller lists it as PNP for Y125Z; bore size must still match your block.

Two ring-configuration options for the same piston; pick based on your build preference.

It is sold as a piston and ring set in Pin 16; confirm exact package contents with the seller if unsure.

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