Is Installing Crash Bars on a Motorcycle Considered Illegal Modification?

1 Answers
LeKevin
07/29/25 1:41pm
Installing crash bars on a motorcycle is considered illegal modification. Due to the small size of motorcycles, the scope for legal modifications is quite limited. Generally, only minor alterations are permitted, and the basic original appearance must be maintained. From a performance modification perspective: Permissible modifications for motorcycles include replacing high-end spark plugs, installing foldable aluminum alloy clutch and brake levers, burst-proof and leak-resistant brake lines, aluminum alloy brake fluid reservoirs, and high-performance wear-resistant brake pads. For exterior modifications: Allowed exterior modifications include handlebar guards, license plate frames, decorative lights, and mirrors of the same size. Color changes are also permitted, but modifications should not exceed 30% of the total color area.
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