Apollo X18 dies after a few minutes - brand new

daved912 · 06-22-2019, 06:33 PM

I've been around bikes for years, but this is my first Chinese bike. This is a 125cc pit bike. Brand new, just assembled today. I've done all my homework (I think). Threadlocked everything, drained the oil and put in 10W-40 conventional oil for break in. Its about 80 degrees out and the bike starts fine with no choke - all the way down. If I give it any throttle, I get a loud sucking sound, and the engine will die. The engine also dies after idling for about five minutes and will not restart unless you wait for it to cool.
Is the sucking sound normal with this type of cone filter or is that a clue to the problem? I've listened to some Apollo bikes on YouTube and don't hear this - the sound is loader than the exhaust.

06-22-2019, 06:33 PM	#1
daved912 Join Date: Jun 2019 Location: New Jersey Posts: 13	Apollo X18 dies after a few minutes - brand new I've been around bikes for years, but this is my first Chinese bike. This is a 125cc pit bike. Brand new, just assembled today. I've done all my homework (I think). Threadlocked everything, drained the oil and put in 10W-40 conventional oil for break in. Its about 80 degrees out and the bike starts fine with no choke - all the way down. If I give it any throttle, I get a loud sucking sound, and the engine will die. The engine also dies after idling for about five minutes and will not restart unless you wait for it to cool. Is the sucking sound normal with this type of cone filter or is that a clue to the problem? I've listened to some Apollo bikes on YouTube and don't hear this - the sound is loader than the exhaust.
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