Minarelli Gearbox 17x28x5 Oil Seal
ITEM# TT-16026
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Description
Minarelli Gearbox Oil Seal for Two-Stroke Models
This 17 x 28 x 5mm oil seal helps bring back proper operation to the output shaft of a Minarelli two-stroke transmission. It replaces a seal that has worn out or been damaged, so your scooter can return to good working condition. It is one of the Minarelli 50cc / Yamaha jog scooter parts mechanics often suggest during routine upkeep and repairs.
Key Features
The seal is cut to exact measurements: 17mm across the inside, 28mm across the outside, and 5mm thick. A spring-loaded inner lip holds firmly against the shaft to keep oil in. The part may also be used in other applications that share the same specifications, which makes it a flexible option for different repair jobs.
When to Replace
Check the gearbox for leaks or falling oil levels, since either can mean the oil seal is failing. Looking at the seal during routine service can help you catch problems before they damage the gearbox. If the sealing surface shows any wear, a replacement is worth considering.
Specifications
- Part Type: Shaft oil seal
- Inner Diameter: 17mm
- Outer Diameter: 28mm
- Thickness: 5mm
- Color: Black
- OEM Part Number: 3902
- Fits: Minarelli two-stroke gearbox output shafts needing a 17 x 28 x 5mm oil seal
Fitment
Fits:
- Minarelli two-stroke gearbox output shaft (17mm inner, 28mm outer, 5mm thick)
- E-Ton (listed only as "and other applications", match dimensions and profile)
How to choose: Measure the old seal's three dimensions before ordering: 17mm inner diameter, 28mm outer diameter and 5mm thickness.
Shop more: Minarelli 50cc / Yamaha Jog Parts · Scooter Gaskets & Seals · Scooter Parts
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