Great replacement carb for your aging stock Puch. Works great with stock cylinders and kits.
Please note carb comes with a 82 main jet which is much too big for a stock cylinder, order a few jets so you can tune it.
For tuning tips, check out Garage. The worlds largest moped build database. Use Garage as a guide to what jet you need.
Here are some builds that use the 15mm Bingt: 15mm Bing Builds
You can look at the jetting used by builders as a starting point for where to start.
If you are on a budget, check out our 15mm Bing Replica carb.