Original Yamaha NMAX 125 Piston (2DS-E1631-00) | 2015-2024

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Discover the ultimate upgrade for your motorcycle.
Designed with precision engineering, this offers unmatched performance and durability.


When you're rebuilding or freshening up the engine, the piston is one of the first things we look at. This original Yamaha NMAX 125 piston fits spot on and keeps everything running properly. It's made to Yamaha spec, so no issues with fit or performance. Replace worn parts with this, and the engine will feel right again, smooth and consistent.

Vetted by our Lead Engineer. Leveraging 30 years of mechanical pedigree, every part is inspected for material density and exact tolerances to ensure a 'Right-First-Time' fit.

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Guaranteed fitment for Yamaha GPD125-A NMAX or free returns.

Product Compatibility

Compatibility charts are for reference only. Please compare part numbers and manufacturers' details. Contact us before ordering if unsure to avoid delays or refund charges.

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Part Number
  • 2DS-E1631-00
Alternative Part Number

_

Model
  • GPD125-A NMAX
Year
  • 2015
  • 2016
  • 2017
  • 2018
  • 2019
  • 2020
  • 2021
  • 2022
  • 2023
  • 2024
MFG
  • Yamaha

Product Overview

This high-quality Original Piston is designed to meet or exceed factory performance standards and is suitable for Yamaha NMAX 125 (2015-2024) models.

The Piston is the reciprocating component inside the cylinder that converts combustion pressure into rotary motion via the connecting rod. As the piston skirt wears, develops scuffing, seizure marks, or the ring grooves erode beyond their service limit, compression drops sharply, oil consumption rises, piston slap becomes audible, and engine power output deteriorates. This original replacement is manufactured to original factory specifications, restoring reliable performance to your Yamaha NMAX 125 scooter.

- Brand New Original Piston
- Part Number: 2DS-E1631-00
- Original replacement for Yamaha NMAX 125 (2015-2024)
- Restores correct bore-to-piston clearance and engine compression
- Eliminates piston slap and reduces oil consumption caused by piston wear
- Direct fit, no modification required
- Recommended for use during engine top-end rebuild or piston replacement service
- London: Express same-day delivery (2-3 hours)
- Rest of UK: Same-day dispatch on orders before 1 PM (3-4 business days delivery).
- Up to 75% off for B2B Trade Accounts. Independent UK garages, apply now.

• Yamaha NMAX 125 owners with a worn piston, low compression, piston slap, or increased oil consumption
• Replacing the Piston during engine top-end rebuild or piston replacement service
• Mechanics and workshops carrying out Yamaha NMAX 125 engine top-end servicing
• Riders wanting to restore the original engine compression and power output of their Yamaha NMAX 125 scooter
• Anyone looking for a guaranteed original replacement for their Yamaha NMAX 125 scooter

Complete Part Guide

Every engine has a rhythm, and the piston is the main moving part that sets that pace. The original Yamaha NMAX125 Piston (2DS-E1631-00) for 2015-2024 models moves with precision inside the cylinder, compressing and releasing energy to keep the engine running smoothly and efficiently. It's the heartbeat of the combustion cycle. Built to Yamaha's original standard, it ensures accurate fitment, efficient compression, and dependable performance. In stock at Part Hive's London warehouse, order before 1 PM for same-day UK dispatch.

Most worn piston issues on the Yamaha NMAX-125 develop gradually. Riders usually notice reduced power, rough starting, or weaker throttle response over time. In workshop inspections, we often trace those symptoms back to piston wear affecting compression sealing inside the cylinder.

During engine diagnostics, we check compression consistency and inspect piston wear patterns carefully. Once the piston can no longer maintain proper sealing pressure, combustion efficiency drops and overall engine performance suffers. Replacing it with the correct original Yamaha piston restores compression stability, improves efficiency, and helps return smooth engine operation.

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