Why won't my Sp3 start?

I changed the spark plug and ignition coil for the carburetor. It was also in the garage recently, and it should be in top condition. I started it up briefly once and immediately gave it some gas, and it sounded extremely muffled and deep.

https://youtube.com/shorts/zeYPBDUvBwY?si=rUPQc1vfr24ByExS

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Rider1708
10 months ago

Moin,

could have vieeeele causes first. Does the engine have enough compression? Should have his 6-8 bar in the normal case. If the engine has too little compression: pull the cylinder and check the piston rings first and foremost. Exhaust is free? A screw for the idling speed would have to be at the carburetor. Try to turn them in first. If the scooter starts and runs, once warm and then turn out until the engine is still running round. Evt. your carburettor also has a circulating air screw. How to set it is explained on YouTube. Otherwise, I would say check the ignition time! Did the engine qualify? It may also be that the spark plug has become too wet due to your many start attempts. Just screw out and dry.

LG