This carburetor insulator spacer adaptor set is designed for 5KW gasoline generator applications using 188F, 190F, and GX390 engines (automatic). It provides a readytoinstall solution to improve carburetor isolation and mounting compatibility. Key benefits Improves carburetor performance by reducing heat transfer from the engine, helping to stabilize fuel delivery and idle quality. Enhances starting reliability and throttle response by maintaining appropriate carburetor temperature and spacing. Provides a versatile spacer adaptor system with 10 insulators included, enabling compatibility with multiple carburetor configurations on compatible engines. Supports reliable operation in 5KW generator setups where consistent fuel delivery and mounting integrity are important. Key attributes Functionality: Carburetor insulator spacer adaptor set for automatic variants Compatibility: 188F, 190F, GX390 engines Included parts: 10 x insulator spacers Application: Generator accessories for 5KW gasoline generators Mounting: Designed to facilitate proper spacing and mounting of the carburetor to the engine Specific use cases Use in 5KW generator installations powered by 188F, 190F, or GX390 engines (automatic) to ensure proper carburetor isolation and mounting alignment. Replacement or upgrade scenarios where insulator spacers are needed to fit compatible carburetors on these engines, using the 10 insulators provided for flexibility. Maintenance or field service for generators with automatic engine variants, stocking the spacer adaptor set as a readytouse spare to maintain carburetor performance. Why choose this adaptor set It aligns with the specific engine models and generator class described (188F, 190F, GX390, 5KW accessories), offering a focused solution for compatible systems. The included 10 insulators provide ample parts for installation and future maintenance, helping ensure longterm reliability. The design emphasizes proper heat isolation and mounting integrity, supporting stable operation under typical generator loads. Note: This description reflects the product's stated role as a carburetor insulator spacer adaptor with 10 insulators, intended for 5KW gasoline generator applications using 188F, 190F, and GX390 engines (automatic). For installation details, refer to accompanying instructions or product listings.