Kenny,
There are two 'common' reasons for oil seepage round the head.
First one you can get at relatively easily at the side of the road. Tank off, cylinder head chrome side covers off, and you can see the inspection covers for the valve clearance adjustment. Take the cover off if it looks like where the oil is coming from , clean up the rubber seal and add a little gasket sealant to be sure before refitting it. That might do it. (Taking the tank off can be very awkward clearing the fuel tap past the frame rails - on some bikes you need to drain the tank and take the tap off).
It could also be coming from the plug that sits inside the head cover above the front right cylinder head bolt. You can see that bolt by looking into a gap in the head casting just next to where the header pipe goes into the head - you might be able to tell if that's where the oil is coming from. The head cover has to come off to fix this (either with new plug or sealant round the old one). Still achieveable at the side of the road with a small socket set and handful of spanners, but a lot more to take apart and a brave thing to undertake away from workshop with somewhere to put/clean all the bits - the head cover is held on by about 16 or 18 fasteners all of different lengths, and needs to be sealed with a smear of liquid gasket.
Could be the head cover to head seal itself, or the head gasket, but the first two are the most likely.
If it's just a slow seep and you keep topping up, the only thing to worry about on the trip back is oily trousers.
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