Original Yamaha NMAX 125 Primary Drive Oil Seal 20X30X5.5mm (93102-20815) | 2015-2020

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Even small oil leaks around the drive system can quickly spread dirt and contamination across surrounding components. This original Yamaha NMAX 125 primary drive oil seal 20 x 30 x 5.5 mm (93102-20815) restores secure sealing and reliable oil control. Manufactured to original Yamaha specification, it delivers dependable fitment and long-term durability. That helps protect the drivetrain and maintain cleaner operation over time.

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-ANMAX or free returns.

Product Compatibility

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Part Number
  • 93102-20815
Alternative Part Number

_

Model
  • GPD125-ANMAX
Year
  • 2015
  • 2016
  • 2017
  • 2018
  • 2019
  • 2020
MFG
  • Yamaha

Product Overview

This high-quality Original Primary Drive Oil Seal 20X30X5.5 mm is designed to meet or exceed factory performance standards and is suitable for Yamaha NMAX 125 (2015-2020) models.

The Primary Drive Oil Seal 20X30X5.5 mm (20 mm bore x 30 mm OD x 5.5 mm width) is a lip-type seal fitted at the primary drive shaft, preventing engine oil from migrating past the shaft into the transmission or variator area. When the seal deteriorates or loses sealing contact, oil escapes along the shaft, contaminating the primary drive belt or variator components and causing a gradual drop in oil level that can compromise lubrication throughout the engine. This original replacement is manufactured to original factory specifications, restoring the original oil-tight seal at the primary drive and protecting your NMAX 125 drivetrain.

- Brand New Original Primary Drive Oil Seal 20X30X5.5 mm
- Part Number: 93102-20815
- Original replacement for Yamaha NMAX 125 (2015-2020)
- Restores the oil-tight seal at the primary drive shaft
- Prevents oil contamination of the drive belt and variator components
- Direct fit, no modification required
- Essential for primary drive servicing and engine or transmission overhaul
- 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 an oil leak at the primary drive or oil contamination of the drivetrain
• Replacing the Primary Drive Oil Seal 20X30X5.5 mm during primary drive servicing or engine and transmission overhaul
• Mechanics and workshops carrying out Yamaha NMAX 125 primary drive and transmission servicing
• Riders wanting to restore a clean, oil-tight primary drive seal on their NMAX 125
• Anyone looking for a guaranteed original replacement for their Yamaha NMAX 125

Complete Part Guide

The engine and transmission sealing system on the Yamaha NMAX125 depends on the primary drive oil seal to maintain reliable oil retention around the drivetrain assembly. The original Yamaha NMAX125 Primary Drive Oil Seal 20 x 30 x 5.5 mm (93102-20815) for 2015-2020 models helps prevent leaks and contamination during everyday riding conditions. Worn seals can contribute to oil seepage, dirt buildup, and gradual lubrication loss around the drive area. Manufactured to the original Yamaha specification for reliable durability and accurate fitment. Available from Part Hive with fast UK delivery. Orders placed before 1 PM qualify for same-day UK dispatch from our London hub.

Primary drive oil seal wear on the Yamaha NMAX-125 (2015-2020) is one of the common causes of oil leakage around the transmission and drive section. We regularly inspect seals that have worn through long-term heat exposure and repeated shaft movement, allowing oil to escape gradually during operation.

During workshop inspections, we monitor seal condition, oil leakage patterns, and contamination buildup around the drive assembly. Once the seal weakens, lubrication control and drivetrain cleanliness quickly become compromised. Installing the correct original Yamaha primary drive oil seal (93102-20815) restores proper sealing pressure and helps prevent further oil loss.

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