Good morning,
I need some help with a Yam Tri-Moto 125;

I think the carb is a little oversized but it still ran pretty well for about 4 months.

Recently I started it, it ran for about 15 seconds then died.

No matter what throttle position I keep it at, it always seems to run for 15 seconds (Iddle or pinned) then dies.

It won't re-start if I try. I wait for about 30 seconds and then it fires right up and runs for 15 seconds.

I cleaned the carb, changed my fuel line, changed the plug and that's about the extend of my 2-stroke troubleshooting.[img]i/expressions/face-icon-small-confused.gif[/img]

Any help would be greatly appreciated!

Thanks,
Mike

 

Dudes,

Tell me I'm missing air in my tires or something.

Seriously; I need some help on this one, I really don't have any idea where to look next..

 

so you did change plugs then?