Big Bore Racing Carb from Zenoah. Designed for use with Zenoah watercooled (PUM) engines.
Walbro WT-1048 carburetor (very similar to WT-257) but with 13.5mm venturi bore (The WT-257 has a 12.7mm venturi). Zenoah Big Venturi 13.5mm WT-1048 Carb Upgrade for PUM Engines.
- Venturi Bore: 13.5mm
- Throttle Bore: 15.84mm
- Primer Bulb: No
- Choke: No
- Mounting hole's distance between centers: 31mm
- Accelerator System: No