RM125 2008 RM125 help needed

Hi all in major need of help my bike splutters when the power valve kicks in I've changed the power valve and not made any diffrence also quite a bit black thick oil coming from exhaust
 
Hi all in major need of help my bike splutters when the power valve kicks in I've changed the power valve and not made any diffrence also quite a bit black thick oil coming from exhaust


We need a little more info.
Compression, rebuild time, type of riding, gas an oil mix etc etc.
to me it sounds like a combo of a dirty carb and low compression with a side order of float adjustment.
 
Hi all in major need of help my bike splutters when the power valve kicks in I've changed the power valve and not made any diffrence also quite a bit black thick oil coming from exhaust

I am OHHHH so curious as to why you decided that the sputtering occurs when the valve "kicks in"?
 
Top