RE: Brison 3.2 Carb Help!! (Where is Ralph when you need him!)
My 3.2 ran so much better after installing a carb rebuild kit. The pump and metering diaphragms can get old/brittle, gaskets can leak, needle can not seat. The carb kit I bought from my local chain saw repair shop was part number K20-WAT. You will find there are some extra parts, but if you replace all the soft goods, you'll be miles ahead. It's pretty simple; just take it apart and replace everything with new parts on the way back together.