What does a weak spark look like?

[angryyoung]

The spark on my yt175 is orangey/purpleblueish. Is it suposed to be blue or white?

[chris200x]

Yup.. White or blue is good.

[angryyoung]

thanks, i guess its time to go get a new plug, there was lots of black on that one too.

[Cody]

It could be your stator.