2014 GRiSO Oil Leak

Got the GRiSO out of the garage after about a year and a half of sitting. Went for a couple of rides this week and today, after the ride the bike is smoking! There's a small oil leak dripping on the left side header.  Took the wing off and was only able to snap these crappy pics.
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Any thoughts? I barely have time to ride, let alone mess with this if it's more complicated than it seems. Might contact Mike at MPH Cycles?

The little rubber condom blank on the oil air separator is a likely culprit

Bloody condoms again! Been blamed for a lot of what has gone wrong in our world - need good quality ones I guess.

Thanks for the heads up on the condom breakage! Any tips on how to get in there? I didn't get a very good look at it yesterday, but it seems like it's not going to be the easiest thing to get to? Just want to get an idea on what, if anything will need to come off the bike. Thanks again!

From memory it's accessible just by removing the left hand 'Wing'.

It's better as a tank off job IMHO else it's keyhole surgery. I had to remove the upper hose just to make space to remove the condom & you need space to avoid damaging anything as you prise the old 'special clip' off...

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Paul is right about keyhole surgery. That’s the way I did it because I was unfamiliar with taking the tank off. Plus, I was replacing the upper hose not the condem. It was still a bitch. It could be the top hose leaking on to the condem. Mine was hard to diagnose but when I got the hose off you could easily see the stress cracks where the hose pushes on to the mail connector of the breather box. The new hose was next to impossible to get on as the are made too small in my opinion and that why it looks like the hose cracked.
The condem part number is 978781 and the hose clamp is 93306018, but any hose clamp that fits would be ok. The condem on my bike has a traditional screw down clamp where the hoses have those factory installed non adjustable type. Unless you like a challenge, take it to Mike Haven and tell him I said hello.

I forgot to address what gives you access; you’ll have to remove things in the way like the horn and electrical cables by removing cable ties etc. I think there were electrical connection points in the way so unplug etc. it still hard to get at.