Aftermarket Yamaha NMAX 125 Drive Belt (B8R-E7641-01) | 2021-2025

Aftermarket
Sale price£15.95 GBP

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


The drive belt is what carries your engine's power to the road. This aftermarket Yamaha NMAX 125 drive belt (B8R-E7641-01) delivers stable, reliable engagement across the CVT system, helping the bike accelerate cleanly without the lag or inconsistency of a worn belt.

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
  • B8R-E7641-01
Alternative Part Number

_

Model
  • GPD125-A NMAX
Year
  • 2021
  • 2022
  • 2023
  • 2024
  • 2025
MFG
  • Yamaha

Product Overview

This high-quality Aftermarket Drive Belt is designed to meet or exceed factory performance standards and is suitable for Yamaha NMAX 125 (2021–2025) models.

The drive belt transfers engine power through the CVT (continuously variable transmission) system to the rear wheel, providing smooth acceleration and consistent power delivery without manual gear changes. Over time, the belt can stretch, crack, glaze, or wear down, leading to slipping under load, slower acceleration, vibration, reduced top-end performance, or sudden transmission failure if the belt snaps completely. This aftermarket replacement is engineered for fit and function, restoring smooth CVT operation, reliable power transfer, and dependable everyday riding performance for your Yamaha NMAX 125.

- Brand New Aftermarket Drive Belt
- Part Number: B8R-E7641-01
- Compatible with Yamaha NMAX 125 (2021-2025)
- Restores smooth and efficient power transfer through the CVT transmission system
- Helps maintain consistent acceleration, responsive throttle feel, and stable everyday performance
- Reduces belt slippage, vibration, power loss, and premature CVT driveline wear
- Engineered for fit and function to match factory CVT specifications
- Direct fit replacement, no modification required
- Recommended replacement during scheduled CVT servicing or when belt wear is 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 garage, apply now!

• Yamaha NMAX 125 owners experiencing belt wear, slipping, vibration, or reduced CVT drive performance
• Replacing the Drive Belt during scheduled CVT servicing or drivetrain maintenance
• Mechanics and workshops carrying out Yamaha NMAX 125 CVT transmission servicing
• Riders wanting to restore smooth acceleration, efficient power transfer, and reliable everyday performance
• Those seeking a high-quality aftermarket replacement for their Yamaha NMAX 125 CVT system

Complete Part Guide

Over time, heat and friction wear down the belt, and that's where the aftermarket Yamaha NMAX125 Drive Belt (B8R-E7641-01) comes in for 2021-2025 models. It keeps everything running smoothly, maintaining grip and steady movement through the pulleys. That means consistent power delivery and no drop in performance. Designed for a direct fit, so it works exactly as it should. Available now from Part Hive's London hub, enjoy same-day UK dispatch on all orders completed before 1 PM.

Inside the Yamaha NMAX-125 CVT, the belt is constantly under heat and pressure. Over time, we see belts harden, crack, or lose flexibility. Once that happens, performance drops quickly. It's not always visible until you remove it. We replace it with the aftermarket drive belt at the right time, so you can avoid bigger issues; everything runs cooler, smoother, and more efficiently.

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