Yamaha Genuine Oil Seal Rear Axle 93102-30805 for Mio Gear, Gravis, Fazzio

Yamaha Genuine rear axle oil seal for selected Yamaha automatic scooters. Designed for the transmission/final-drive rear axle area to replace the corresponding factory-installed seal.

Product Specifications

• Brand: Yamaha Genuine Parts
• Product: Rear Axle / Transmission Oil Seal
• Yamaha part number: 93102-30805
• Seal marking shown: NOK AH1718E
• Color: Black
• Position: Transmission final-drive/rear axle
• Country indicated on packaging: Made in Indonesia
• Quantity: 1 piece
• Size option: One OEM specification only
• Fitment type: Model-specific; not universal

Compatible Models

• Yamaha Mio Gear 125
• Yamaha Mio Gear S
• Yamaha Mio Gravis 125
• Yamaha Fazzio 125
• Yamaha FreeGo 125 / LTK125 overseas-market units

Yamaha’s parts catalogue lists 93102-30805 in the Ego/Mio Gear transmission assembly. The same part number also appears in Fazzio and FreeGo/Gravis-family catalogue references. Yamaha Ego Gear parts catalogue, FreeGo application reference

Equivalent Model or Market Names

• Mio Gear 125: also marketed as Ego Gear 125 in some countries
• FreeGo/Gravis-family applications: model names may differ depending on country
• Fazzio: verify the exact model year and OEM part number before ordering

Equivalent Size or Other Brands

No verified direct Honda, Suzuki, or Kawasaki OEM equivalent is claimed. The safest cross-references are:

• Yamaha OEM number: 93102-30805
• NOK manufacturer marking: AH1718E

The packaging does not state the complete ID × OD × width dimensions, and online size references conflict. For another seal brand, measure the original seal and confirm the inner diameter, outer diameter, width, sealing-lip design, material, and rotation direction. Do not select a replacement using diameter alone.

Important Compatibility Reminder

Do not assume compatibility with Mio Sporty/Mio carburetor, Mio i125, Soul i125, NMAX, or Aerox. These models may use different oil-seal part numbers. Compare 93102-30805 with your existing seal or Yamaha parts catalogue before checkout.

Package Includes

• 1 × Yamaha Genuine oil seal

Bearings, gears, circlips, gear oil, and installation tools are not included.