Original Yamaha NMAX 125 Swing Arm Collar Washer (90387-17807) | 2015-2025

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


Rear suspension performance depends on correct alignment. This original Yamaha NMAX 125 swing arm collar washer (90387-17807) keeps components positioned exactly where they should be, helping maintain a stable and consistent setup.

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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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
  • 90387-17807
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 Collar Washer Swing Arm is designed to meet or exceed factory performance standards and is suitable for Yamaha NMAX 125 (2015-2025) models.

The collar washer at the swing arm pivot acts as a precision spacer and bearing surface, ensuring the swing arm rotates smoothly and maintains correct alignment throughout its travel. When the collar washer wears, the swing arm develops excessive play, resulting in imprecise rear suspension response, unusual noise from the pivot area, and accelerated wear of the surrounding components. This original replacement is manufactured to original factory specifications, restoring correct swing arm movement and rear suspension stability.

- Brand New Original Collar Washer Swing Arm
- Part Number: 90387-17807
- Original replacement for Yamaha NMAX 125 (2015-2025)
- Restores correct swing arm pivot alignment and smooth rear suspension movement
- Ensures precise rear suspension response and reduces unwanted play at the swing arm pivot
- Helps prevent accelerated wear of the swing arm pivot and surrounding components
- Direct fit, no modification required
- Ideal replacement during swing arm removal, rear wheel service, or swing arm pivot 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 excessive swing arm play or unusual pivot noise caused by a worn collar washer
• Replacing the Collar Washer Swing Arm during swing arm removal or rear suspension overhaul
• Mechanics and workshops carrying out Yamaha NMAX 125 swing arm and rear suspension servicing
• Riders wanting to restore the original rear suspension stability of their Yamaha NMAX 125
• Those after a guaranteed original replacement for their Yamaha NMAX 125

Complete Part Guide

Rear suspension stability depends on correct spacing within the swing arm assembly, and the original Yamaha NMAX125 Swing Arm Collar Washer (90387-17807) for 2015-2025 models is designed to maintain that spacing with precision. Incorrect or worn spacing can affect alignment and movement under load. This component ensures accurate positioning of the swing arm, supporting smooth operation and structural balance. Manufactured to original Yamaha specification, it delivers exact fitment and reliable durability. Available now from Part Hive's London hub, enjoy same-day UK dispatch on all orders completed before 1 PM.

When we rebuild the rear end of a Yamaha NMAX-125, this is one of those parts we never overlook. It's easy to miss or reuse, but it makes a difference in how everything fits back together. We've seen setups where incorrect spacing caused issues after reassembly. We replace it with the correct original Yamaha swing arm collar washer and it ensures everything sits properly, no gaps, no misalignment, just a clean, accurate rebuild.

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