Don’t suppose any body knows the size of the fuel tap internal o-ring on a '95 Nevada 750, do they?
17 x 2 mm, it turns out.
Not all ‘O’ rings are made of the same material. Just make sure the replacement is ‘petrol proof’
Specifically ethanol proof ! If you ask that question and they don’t know the answer, go elsewhere.
I did, and they did, and it was.
Excellent !