Original Yamaha NMAX 125 Valve Rocker Arm Assembly (2DP-E2150-01) | 2015-2025

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


A rough or slightly uneven engine feel can often come from worn valve components. This original Yamaha NMAX 125 valve rocker arm assembly (2DP-E2150-01) restores smooth valve action and helps your engine run more evenly again. It's a direct-fit part, making installation simple and hassle-free.

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.

Order in the next -- hours -- mins for guaranteed 1 PM Same-Day Dispatch from our London NW10 Hub.
Protect your shift — Back on the road tomorrow.

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

Product Compatibility

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Part Number
  • 2DP-E2150-01
Alternative Part Number

_

Model
  • GPD125-A NMAX
Year
  • 2015
  • 2016
  • 2017
  • 2018
  • 2019
  • 2020
  • 2021
  • 2022
  • 2023
  • 2024
  • 2025
MFG
  • Yamaha

Product Overview

This high-quality Original Valve Rocker Arm Assy is designed to meet or exceed factory performance standards and is suitable for Yamaha NMAX 125 (2015-2025) and XMAX 125 (2021-2025) models.

The Valve Rocker Arm Assy is a pivoting lever in the engine's valve train that transfers motion from the camshaft lobe to open the valve against its spring. Mounted on the rocker shaft, it converts the camshaft's rotational movement into the linear motion required to operate the valve. When the rocker arm contact pad wears, cracks develop, or the rocker shaft bore becomes loose, valve timing becomes erratic, engine performance drops, a persistent ticking or tapping noise develops, and in severe cases the valve may not open fully, causing significant power loss and rough running. This original replacement is manufactured to original factory specifications, restoring reliable performance to your Yamaha scooters.

- Brand New Original Valve Rocker Arm Assy
- Part Number: 2DP-E2150-01
- Original replacement for Yamaha NMAX 125 (2015-2025) and XMAX 125 (2021-2025)
- Restores correct valve timing and full valve lift
- Ensures quiet, reliable valve train operation and consistent engine performance
- Direct fit, no modification required
- Recommended for replacement during cylinder head overhaul or when valve train noise or performance issues are detected
- 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 and XMAX 125 owners with valve train ticking, tapping noise, or power loss caused by a worn rocker arm
• Replacing the Valve Rocker Arm Assy during cylinder head overhaul or valve train service
• Mechanics and workshops carrying out Yamaha scooter engine valve train servicing
• Riders wanting to restore the original valve timing and engine performance of their Yamaha scooters
• Anyone looking for a guaranteed original replacement for their Yamaha NMAX 125 or XMAX 125 scooter

Complete Part Guide

If the engine feels a bit flat or not as sharp, we usually check the rocker arms. Once they're worn, they don't transfer movement properly, so timing goes slightly off and performance drops. We see this quite often. This original Yamaha NMAX125 rocker arm assembly (2DP-E2150-01) sorts it, gets the timing right again, smooths everything out, and brings the engine back to life. Made to Yamaha spec, so it fits spot on. Available from Part Hive's London warehouse, order before 1 PM for same-day UK dispatch.

When the engine starts to feel rough or a bit noisy, we check the rocker arms. They take constant contact with the camshaft and valves, so they wear over time. We see this a lot when engines are stripped down. Riders don't always notice until it gets worse. We replace it with the correct original Yamaha rocker arm assembly, and it sorts it, smooth again, properly fitted, and everything is working as it should on your NMAX-125.

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