The 1981 XS1100H Venturer was based upon the XS1100G Standard.
This touring package was manufacttured by Pacifico for Yamaha. This 2nd generation Touring Package was sold by dealers as an option in '80 for the XS1100G Std.
The '81 was named the XS1100H Venture. Bike was only sold with thispackage, not an option.
While this bike doesn't have the V4 engine introduced in the new Venture in 1983, it is nonetheless considered by many to be the first real touring package introduced by Yamaha.