WALBRO WT-668 CARB RC USEWalbro WT-668 high-performance butterfly carburetor with integrated choke. 2 jets (independent high and low), 15.88mm bore, 12.7mm venturi. Includes your choice of FREE colored choke lever! For scooters: Fits Zenoah G230RC / G260RC / G231PUH / G260PUH / G260PU / G231PUM / G260PUM engines. Also fits Chung Yang CY23RC / CY26RC / CY27RC / CY29RC / GP290 engines. For R/C: This carburetor is an EXCELLENT upgrade for many RC airplane, helicopter, car/buggy, and marine applications. Works well on most Zenoah engines and clones. Interchangeable with HPI part # 15460 and FG part # 07355/8.