Karata Primary Belt Drive Electric Start Ring Gear – Harley Big Twin 1955–1984

This Karata primary belt drive electric start ring gear is designed for use on Harley-Davidson Big Twin models equipped with electric start primary belt drive systems. Built as a replacement ring gear for belt drive setups, it helps restore proper starter engagement and dependable starting performance.

Ideal for servicing or rebuilding electric start primary belt drive assemblies, this ring gear is a straightforward replacement solution for worn or damaged components. Whether you’re maintaining a rider or finishing a custom build, proper starter engagement starts with the right ring gear.

Fits Harley-Davidson Big Twin models 1955–1984 using compatible primary belt drive systems.

Fitment

Harley-Davidson Big Twin models 1955–1984

For use with primary belt drive electric start systems