The Oniissy carburetor is a perfect replacement for any Jonsered 390XP, 385XP, 2188, or 2186 chainsaw. It ensures optimal performance and accuracy in cutting tasks. This carburetor is compatible with all Jonsered series and models, making it incredibly versatile. Its high-quality construction ensures reliability and durability, while its design is designed to maintain optimal engine efficiency. The Oniissy carburetor is a top-rated replacement option for any chainsaw owner seeking to enhance their chainsaw's performance and accuracy.