In 2023, the market size for motorcycles with spark ignition engines of less than 50 cc in the US was estimated at $405.78 million. Based on the forecast, the market value is expected to decrease steadily from $397.13 million in 2024 to $363.57 million in 2028. This represents a consistent year-on-year decline, with the compound annual growth rate (CAGR) indicating an average reduction of approximately 2% per year over the five-year period.

Future trends to watch for include:

An increased focus on electric motorcycles, which could further impact the market for traditional spark ignition engines.
Regulatory changes aimed at reducing emissions may accelerate shifts in consumer preferences towards greener alternatives.
Technological advancements and innovation in alternative propulsion systems may disrupt the conventional motorcycle market landscape.