Hi, I have a problem with my new engine. It's an 80cc engine from ebay and it's chinese.
I fitted it in my bike last week and when I went out to the street to try it. During the first tests it
turned on and worked for a minutes but not worked at all. The next day I went out to try it too but
it hasn't worked this day. I have been trying to turn it on but I can't. The sparkle is ok I think and
the carb. too I supose.
What could it happen? And what could I try?
Please help me.
Thanks.
I fitted it in my bike last week and when I went out to the street to try it. During the first tests it
turned on and worked for a minutes but not worked at all. The next day I went out to try it too but
it hasn't worked this day. I have been trying to turn it on but I can't. The sparkle is ok I think and
the carb. too I supose.

What could it happen? And what could I try?
Please help me.
Thanks.