Original Yamaha NMAX 125 Main Switch Keyless Ignition Barrel (B6H-H2501-03) | 2021-2024

Sale price£114.50 GBP

Running a Workshop or Delivery Fleet? Unlock Up to 75% Trade Discount.

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


A smooth and responsive keyless system adds to the overall riding experience. This original Yamaha NMAX 125 keyless ignition main switch (B6H-H2501-03) restores that premium feel with precise control and reliable performance. Designed to factory specifications, it ensures a perfect fit and seamless operation. A worn switch can make the system feel unreliable. Replacing it brings back that refined, effortless start experience.

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

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.

Trademark Disclaimer: All trademarks, brand names, and logos remain the property of their respective owners and are used solely for identification and compatibility purposes. We are an independent retailer and are not affiliated with any authorized dealer or distributor.

Part Number
  • B6H-H2501-03
Alternative Part Number

_

  • B6H-H2501-01
Model
  • GPD125-A NMAX
Year
  • 2021
  • 2022
  • 2023
  • 2024
MFG
  • Yamaha

Product Overview

This high-quality Original Main Switch Keyless Ignition Barrel Key is designed to meet or exceed factory performance standards and is suitable for Yamaha NMAX 125 (2021-2024) models.

The main switch keyless ignition barrel key manages the motorcycle's electrical power distribution and engine start, using Yamaha's keyless smart system to allow hands-free locking, unlocking, and ignition activation. The internal switching contacts and keyless recognition circuitry can degrade with use, leading to intermittent starts, unresponsive keyless detection, or loss of power to electrical systems. This original replacement brings back dependable keyless ignition function and full electrical control for your NMAX 125.

• Brand New Original Main Switch Keyless Ignition Barrel Key
• Part Number: B6H-H2501-03
• Alternative Part Numbers: B6H-H2501-01
• Original replacement for Yamaha NMAX 125 (2021-2024)
• Restores dependable keyless start and electrical power management
• Ensures reliable smart key recognition and ignition activation
• Direct fit, no modification required
• Recommended for ignition system servicing and keyless system maintenance
• 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, failing, or unresponsive keyless ignition main switch
• Replacing the Main Switch Keyless Ignition Barrel Key during keyless system repair or ignition fault diagnosis
• Mechanics and workshops carrying out Yamaha NMAX 125 ignition system servicing
• Riders wanting to restore the original keyless operation of their Yamaha NMAX 125
• Anyone looking for a guaranteed original replacement for their Yamaha NMAX 125

Complete Part Guide

This is one of those parts that quietly controls everything behind the scenes. The original Yamaha NMAX125 Main Switch Keyless Ignition Barrel (B6H-H2501-03) for 2021-2024 models handles ignition, locking, and smart key access all in one unit. When it's working right, you don't notice it, but when it's not, everything feels off. Built to Yamaha's original design, it fits properly and works as expected. Available from Part Hive's London hub, with same-day UK dispatch on all orders before 1 PM

Problems with the keyless ignition system on the Yamaha NMAX-125 usually show up during normal daily use. Riders often describe the switch as feeling “off” before complete failure happens. We commonly see hesitation, delayed response, or inconsistent operation caused by internal wear inside the switch unit.

In the workshop, we repeatedly cycle the system to check how stable the response remains over time. Once the switch loses consistency, the whole ignition experience feels unreliable. Replacing it with the correct original Yamaha main switch keyless ignition unit restores smooth operation and keeps the system responding properly every time.

Get the Right Parts for Your Ride with Part Hive

Finding the perfect part for your motorcycle is easy with Part Hive. Here’s how we make it simple for you:

Wide Selection

From brakes and suspension to mirrors and body fairings, we stock parts for all major motorcycle brands and models.

Easy Fit

Use our filters or search tools to quickly locate parts compatible with your make, model, and year.

Trusted Quality

All our parts are sourced from reliable manufacturers, including high-quality aftermarket options.

Fast Delivery

Order online and get your parts delivered quickly, so you can get back on the road without delay.

Part Hive FAQ

Your Guide to Smooth Rides