---

Almost all of the Mercury female tank fittings come with both a barb fitting (for use when it plugs directly into the connector on the engine) and a 90 degree elbow fitting, for use on the tank. I believe most are now 1/4" - 1/8" NPT.

They all seem to use the 90 degree fittings.

http://www.iboats.com/1-4-NPT-Aluminu..._id.215275