Weird oil leak...

[Tredon]

Hi there!

I just discovered a tiny oil leak from under the mysterious bolt/plug hidden behind water pump pipes on the right side of the engine ( Naked FZ6 S2 from 2008 ). This bolts head is maybe 20mm diameter and has an 8mm allen key socket. I went twice ( ! ) through technical manual for the bike, all the schematics and couldn't find it. Anyone knows what it is and what is the torque to tighten it? It went like 1/6 of a turn with a hex key, and the leak seems to be gone, but I want to do it once and for good without braking the thread.
Here is the picture:

Thanks for your help!!!

 

[Motogiro]

:welcome:to this great forum!

Click here >>> CRANKCASE

#25 and #25 on the diagram. There is an O ring. You might need to just snug that bolt which is a plug....

 

[Tredon]

Thank you so much!
I've missed this one! Now I'm going back to the manual to find the right torque.
All the best!

 

[FinalImpact]

Thank you so much!
I've missed this one! Now I'm going back to the manual to find the right torque.
All the best!

FWIW: I'm pretty sure that hex plug is to the oil galley (full oil pressure behind it), be careful when you snug it down as I recall another member popped the head off as the torque spec is so low and the bolt is aluminum so its pretty soft.

Main gallery bolt = 8 Nm (0.8 m·kg, 5.8 ft·lb)