Walbro carb help needed - Only Cub Cadets

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Walbro carb help needed

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06-23-2026, 10:16 AM

cub149

Senior Member

Join Date: Jun 2009

Location: NC

Posts: 643

Walbro carb help needed

I have a 149 with the k321. Many years ago I bought a new replacement k321 motor for it. It came with the Walbro carb. Its now leaking out of the filter. I got a rebuild kit and installed it. It still leaked and I know its the float needle not sealing so I cleaned the seat and had to bend the little tab on the float to make it seat and seal. This made the float close sooner and allowing more gas into the bowl. (I think Im remembering this right). Will this affect how the engine runs? I didn't mess with the adjustments on the carb since it was running so well before. Now it starts fine but has a surge and will shut off. Just not running right. My question is, is the float ok and I need to make the adjustments or is the float the main problem.
Also the kit is an OEM Walbro kit made exactly for this carb

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Chip T.
Drexel NC

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