What is the permissible modification range for motorcycles in 2020?

1 Answers
DiAlexa
07/30/25 1:52am
Motorcycles are only allowed to be modified in terms of performance and appearance. Modifications such as widening tires, intake systems, and exhaust systems are not permitted. The illegal modification range for motorcycles is as follows: 1. Vehicle appearance: This mainly refers to adding side cases, tail cases, crash bars, excessively high flag mounts, etc., anything that exceeds the original width and height of the factory model is not allowed. Replacing the original headlights, turn signals (e.g., modifying to angel or demon eyes), using laser cannons (brighter than truck headlights), flashing headlights similar to police cars, changing the position of rearview mirrors, or not installing rearview mirrors. 2. Power system: Replacing the engine (e.g., changing from a single-cylinder to a twin-cylinder, or from 150CC to 250CC), converting carburetors to fuel injection, modifying the exhaust (e.g., straight pipes that are extremely loud), excessively exaggerated exhaust shapes, or overly flashy colors (e.g., bright or pink) are also not allowed.
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