What is the Standard jet sizes for a 1986 KDX200?

The standard jet sizes for a 1986 KDX200 typically include a main jet of size 150 and a pilot jet of size 48. However, jetting can vary based on factors such as altitude, temperature, and modifications to the bike. It's always recommended to consult the owner's manual or a knowledgeable mechanic for the best configuration for your specific conditions.