My moped sometimes cuts at low speeds or when I stop?

I have a Kymco Miler 125 2009, its clocked in 73,000 miles and runs fine at higher speeds, but at low speeds or stopping it can cut out, unless I rev it up again, sometimes the bike will go down on the RPM screen thing, lol sorry don't know much about bikes over the basic care e.g. oil changing. but yeah the RPM meter on the dash screen of the bike goes down to like 1 then will slowly go back to 2 and not cut out and other times it will go straight to 0 and just cut out. but so far this is only at low speeds below 5-10mph or at a complete stop, it might even be when I just stop pulling the revs. anyway I've just bought this bike off someone else, and need it to go inbetween jobs, it will be difficult if it keeps running out, other things to know is that it has two bolts missing from the exhaust/ exhaust guard, but I don't think that changes much and I have order the bolts/screws online since my local garage doesn't have Kymco parts. anyway any help will be appreciated it!

I have a Kymco Miler 125 2009, its clocked in 73,000 miles and runs fine at higher speeds, but at low speeds or stopping it can cut out, unless I rev it up again, sometimes the bike will go down on the RPM screen thing, lol sorry don't know much about bikes over the basic care e.g. oil changing. but yeah the RPM meter on the dash screen of the bike goes down to like 1 then will slowly go back to 2 and not cut out and other times it will go straight to 0 and just cut out. but so far this is only at low speeds below 5-10mph or at a complete stop, it might even be when I just stop pulling the revs. anyway I've just bought this bike off someone else, and need it to go inbetween jobs, it will be difficult if it keeps running out, other things to know is that it has two bolts missing from the exhaust/ exhaust guard, but I don't think that changes much and I have order the bolts/screws online since my local garage doesn't have Kymco parts. anyway any help will be appreciated it!

Blocked pilot jet . Carb off , float bowl off , pilot jet out , poke the blockage out with a brush bristle or stong fishing line , reassemble . Post pics if you're not sure which jet it is .