oil leak around front sprocket?

[kevkx125uk]

hi need a bit of advice on my kx 125 not had it long. ive done a new oil change an ive just discovered its got a leak ive only rode bike twice since i got it and it did not leak when i got bike.could i have put to much oil in to make it leak from seals? :ride:

 

[Morvo]

It's possible that you could have over filled it, how much oil are we talking about here? Does it come out when the engine is running or off, or both? Seals are not a lot, but I have a feeling that you might have to split the crankcase to change it.