Walbro WT644 Carburetor - Fits all 23, 26, 29 and 30cc Zenoah type engines (including boats, cars, planes, helicopters.) Primer bulb and integrated choke for easy starting. Shown with optional Zenoah Velocity Stack.
High and low jets - Bore 15.88mm, Venturi Bore 12.7mm
This is the stock carb for Zenoah G260PUM and G231PUM.