Original Yamaha NMAX 125 Rotor Assembly (B6H-H1450-00) | 2021-2024

Sale price£35.99 GBP Regular price£44.99 GBP
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Discover the ultimate upgrade for your motorcycle.
Designed with precision engineering, this offers unmatched performance and durability.


It usually starts with small signs. The battery drains quicker, the lights dim slightly, and the bike doesn't feel as electrically stable as it should. This original Yamaha NMAX 125 rotor assembly (B6H-H1450-00) brings everything back into balance. It restores consistent power generation, helping your system charge properly and perform reliably again.

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.

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Part Number
  • B6H-H1450-00
Alternative Part Number

_

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

Product Overview

This high-quality Original Rotor Assy is designed to meet or exceed factory performance standards and is suitable for Yamaha NMAX 125 (2021-2024) models.

The rotor assembly is the rotating magnet component of the magneto/alternator, spinning around the stator coils to generate the electromagnetic induction that produces AC electrical current. It typically doubles as the flywheel, providing rotational inertia for smooth engine running at low speeds. A cracked, demagnetized, or damaged rotor causes reduced alternator output, an unstable electrical supply, rough idle, and battery drain. This original replacement restores correct magnetic field strength and flywheel inertia, ensuring full charging output and stable engine operation on your Yamaha NMAX 125.

- Brand New Original Rotor Assy
- Part Number: B6H-H1450-00
- Original replacement for Yamaha NMAX 125 (2021-2024)
- Restores correct magnetic field strength and full alternator charging output
- Ensures stable electrical supply to ignition, lighting, and ancillary systems
- Direct fit, no modification required
- Ideal replacement during alternator overhaul or charging system diagnosis
- 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 cracked, demagnetized, or damaged rotor assembly
• Replacing the Rotor Assy during alternator overhaul or charging system diagnosis
• Mechanics and workshops carrying out Yamaha NMAX 125 charging system servicing
• Riders wanting to restore full charging performance and electrical reliability to their Yamaha NMAX 125
• Those seeking a guaranteed original replacement for their Yamaha NMAX 125

Complete Part Guide

When electrical output starts dropping under load, the issue often sits deeper in the charging system. The original Yamaha NMAX125 Rotor Assembly (B6H-H1450-00) for 2021-2024 models ensures stable power generation by maintaining consistent magnetic rotation within the stator assembly. This component supports reliable battery charging and keeps electrical systems operating without fluctuation. Manufactured to original Yamaha specification, it delivers precise balance, efficient output, and long-term durability. Available now from Part Hive's London hub, enjoy same-day UK dispatch on all orders completed before 1 PM.

We've had Yamaha NMAX-125 units with intermittent charging issues where everything checks out: battery, stator, and wiring. That's when the rotor comes into question. Weak or uneven magnetism can cause inconsistent output that's hard to trace. It's not obvious until you've ruled everything else out. We replace it with a proper original Yamaha rotor assembly unit, and the system becomes stable again.

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