If it’s a tire with a tube in it (it will be if you’ve got wire wheels; regardless of what it says on the tire sidewall), you could try putting some “Slime” in it and re-inflating it. That might plug the leak and get you to a dealer to change the tire for you (or more economically, just put a new tube in it if the tire’s not too badly holed). Slime may or may not work for you depending on the puncture.
If you’ve got a tubeless tire, you could plug it with an inexpensive tire plug kit (or use slime).
These are TEMPORARY repairs to get you to the dealer to get it fixed.
Rab
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