Is there Blue smoke out the exhaust?
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That is the
million dollor question we need an anwer from the op.
If it is, besides the above, check you exhaust pipe for any film. Some thin, dry black is fine (just exhaust). If, when checking the tail pipe, you find
any oily residue, yes, your engine itself is likely burning oil(or possibly sucking from the air box). As noted above, any blue smoke COMING OUT THE MUFFLER, again its burning oil.
Several good ways to help determine. If on a cold start, BLUE smoke comes out, you likely have some bad valve seals (and possibly guides/valves). Oil sneaks past the seals, into the combustion chamber overnight. Moring start up, puff, blue smoke.
Also, riding the bike, and coming off the throttle after some high RPM's, if there's an issue will sometme pull oil past the rings and the engine will SMOKE BLUE on the de-cel.
If smoke is NOT coming from the exhaust pipe (tip), I would be looking real hard at the header for anything dripping down on it/dis-coloration. If you over oiled your clutch cable, that oil can run down, work its way around the engine unitl it hits the exhaust or ground. Have you checked the air box where possibly oil, from your tip over may have filled some and is either dripping or getting sucked into the throttle bodies?