Economic Slowdown in China: China Yuchai International's primary market is China, and a significant slowdown in the Chinese economy, particularly in the industrial, commercial vehicle, and construction sectors, could lead to reduced demand for its engines and products, impacting sales and profitability.

Regulatory and Environmental Standard Changes: The Chinese government continuously tightens emissions and environmental standards for engines. CYD must invest heavily in research and development to meet these evolving regulations, which increases costs and complexity. Failure to comply could result in penalties or loss of market share.

Intense Market Competition: The Chinese engine market is highly competitive, featuring both large domestic players and international joint ventures. This intense competition can lead to price pressures, reduced margins, and the need for continuous innovation to maintain market position.