Try this:
LOCTITE SI 5699 is a water/glycol resistant gasketing product, ideal for use on flexible flanges, machined or cast surfaces, metal or plastic.
LOCTITE® SI 5699 is a flexible silicone sealant and cures on exposure to moisture in the air to form a tough rubber gasket. The product is designed primarily for flange sealing with excellent oil resistance or rigid flange sealing for example on transmissions and cast metal housings. It is tack-free after just 10 min. The product is water-glycol resistant and can be used on machined or cast surfaces, metal or plastic.
I have a Small Bead of it Around an Inch Long at the Base of the Cylinder on my Triumph T150V, that has been Oil Tight for about 25 Years!
Que Jokes about Triumph Oil Leaks!


