Jims 5th Gear Bearing 8904 for Big Twin 1980-1990

Jims 5th Gear Bearing 8904 for Big Twin 1980-1990

$61.03
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Jims 5th Gear Bearing 8904 for Big Twin 1980-1990

Jims 5th Gear Bearing 8904 for Big Twin 1980-1990

$61.03

This premium Jims 5th gear bearing provides precision performance and dependable durability for vintage Harley-Davidson transmissions. Engineered to match exact factory tolerances, it serves as a direct replacement for OEM part number 8904.

Designed specifically for Big Twin 5-speed models from 1980 to 1990, complete transmission installation requires two bearings. For proper seating and optimal service life, installation is recommended using JIMS tool JM-34734-80.

Key Features

Brand Jims
MPN 8904
OEM Replacement 8904
Fitment Harley-Davidson Big Twin 1980-1990
Quantity Required 2 per transmission
Recommended Installation Tool Jims Tool JM-34734-80
Transmission Type 5-Speed
Product Type Transmission Gear Bearing
Shipping Weight 0.1 kg

Compatibility

Compatible with Harley-Davidson Big Twin 5-speed transmission models from 1980 through 1990.

How to use

Press bearing into fifth gear to the appropriate factory depth using JIMS tool JM-34734-80. Note that two bearings are required per transmission rebuild.

Frequently asked questions

What OEM part number does this bearing replace?

This bearing directly replaces OEM part number 8904.

How many bearings are needed per transmission?

Each 5-speed transmission requires two 5th gear bearings.

Which motorcycle models are compatible with this bearing?

It fits Harley-Davidson Big Twin models manufactured between 1980 and 1990.

Which tool is recommended to install this bearing?

It is recommended to install this bearing using JIMS tool JM-34734-80 to ensure it is seated to the correct depth.

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