OEM 17x35x7 Gearbox Seal for Genuine Buddy, Rattler, Roughhouse

Replacement Gearbox Seal for Genuine Buddy and Related Models

This is an OEM-grade gearbox seal made for several Genuine 50cc 2-stroke scooters, including the Buddy 50, Black Cat 50, Rattler 50, and Roughhouse 50. Its job is to stop gear oil from escaping into areas where it doesn't belong, while also blocking dirt and debris from entering the gearbox. It's one of the Genuine Buddy scooter parts you may need to swap out during regular servicing or when rebuilding the gearbox.

Construction and Design

This seal uses a TC-style double-lip layout, with a main sealing lip plus a dust lip to help it do its job. The arrangement gives a close fit that keeps the gearbox sealed and prevents oil from being lost. The outer edge is coated in rubber, which holds the seal firmly in the gearbox case.

Installation Guidelines

Fit the seal with the spring-loaded side facing the oil so it seals correctly. Before pressing it in, put a light coat of oil on the sealing lip. Use a seal driver or a socket to push it into position. Doing this helps the seal sit snugly, which matters for good performance. Once it's installed, refill the gearbox with fresh gear oil to finish the job.

Specifications

• Type: TC (double lip, spring-loaded)
• Inner Diameter: 17mm
• Outer Diameter: 35mm
• Thickness: 7mm
• Fits: Genuine Buddy 50, Rattler 50, Roughhouse 50 gearbox (final drive) on Genuine 50cc 2-stroke scooters

Fitment

Compatible with:

• Genuine Buddy 50
• Genuine Rattler 50
• Genuine Roughhouse 50

How to choose: Make sure the seal matches your gearbox: 17mm inner diameter, 35mm outer diameter, 7mm thickness.

Where it goes: part #11 on the transmission diagram for the Buddy 50; part #11 on the transmission diagram for the Rattler 50; part #11 on the transmission diagram for the Roughhouse 50.

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