The Walbro WT-813 high performance carburetor is designed with a internal acceleration pump which Zenoah recommends to help cure the low end acceleration lag that RC style engines are notorius for. This carb is perfect for you if you have an RC style engine and are wanting more bottom end torque. Fits most RC engines including G230RC, G260RC, CY23RC, CY26RC, CY27RC, CY29RC, GP290RS, and most head kit engines! Specs: 12.7mm venturi, 15.88mm bore, and adjustable air/fuel ratio screws high and low.
Goped 813 High Performance Carb
RC High Performance 813 Carb
WA-WT-813 Walbro Carburetor