Original Yamaha NMAX 125 Complete Cylinder Barrel Piston Ring Kit (B3F-WB016-00) | 2015-2020

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


Engine performance relies heavily on strong compression and proper internal sealing. This original Yamaha NMAX 125 complete cylinder barrel piston ring kit (B3F-WB016-00) helps restore both, improving overall efficiency and ride quality. Designed for a precise fit, it's a solid choice for a full top-end refresh.

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

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Part Number
  • B3F-WB016-00
Alternative Part Number

_

  • 2DS-E1311-10
Model
  • GPD125-A NMAX
Year
  • 2015
  • 2016
  • 2017
  • 2018
  • 2019
  • 2020
MFG
  • Yamaha

Product Overview

This high-quality Original Complete Cylinder Barrel Piston Ring Kit is designed to meet or exceed factory performance standards and is suitable for Yamaha NMAX 125 (2015-2020) models.

The Complete Cylinder Barrel Piston Ring Kit combines the precision-machined cylinder barrel and a full set of piston rings into a single top-end rebuild package, providing every component needed to restore the engine bore and piston-ring seal in one supply. When the cylinder bore wears elliptical, develops scoring or seizure marks, and the rings lose their tension, compression drops sharply, oil consumption rises, power output falls, and the engine becomes prone to overheating. This original replacement is manufactured to original factory specifications, restoring reliable performance to your Yamaha NMAX 125 scooter.

- Brand New Original Complete Cylinder Barrel Piston Ring Kit
- Part Number: B3F-WB016-00
- Alternative Part Number: 2DS-E1311-10
- Original replacement for Yamaha NMAX 125 (2015-2020)
- Restores correct cylinder bore dimensions, compression sealing, and engine performance
- Provides all top-end rebuild components in one kit for convenience
- Direct fit, no modification required
- Recommended for use during engine top-end rebuild or cylinder bore overhaul
- 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 or scored cylinder bore, low compression, or deteriorating engine performance
• Replacing the Complete Cylinder Barrel Piston Ring Kit during engine top-end rebuild or cylinder overhaul
• Mechanics and workshops carrying out Yamaha NMAX 125 engine top-end servicing
• Riders wanting to restore the original engine compression and top-end performance of their Yamaha NMAX 125 scooter
• Anyone looking for a guaranteed original replacement for their Yamaha NMAX 125 scooter

Complete Part Guide

Gradual engine fatigue and reduced performance are often caused by worn top-end components, making this Original Yamaha NMAX125 Complete Cylinder Barrel Piston Ring Kit (B3F-WB016-00) the complete solution for 2015-2020 models. Wear leads to compression loss and inconsistent engine response. This kit restores performance by replacing the full piston and cylinder assembly with matched parts. Built to Yamaha's standards, it ensures precise fitment, balanced operation, and long-term reliability. Available from Part Hive's London warehouse, order before 1 PM for same-day UK dispatch.

When we see scoring in the cylinder, it's a sign the surfaces aren't working properly anymore, and that's where this original Yamaha NMAX-125 kit comes in. It's usually from worn rings and cylinder walls causing uneven contact. We pick this up all the time during strip-downs. Riders might not notice until the power really drops off. We replace this original Yamaha complete cylinder barrel piston ring kit and it sorts it, smooth contact again, everything aligned properly, and the engine running clean.

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