Moped Riders Association
[ http://www.mopedriders.org/ ]
Resource for the International Association for the Advancement of Moped Riders. Has links to dealers and a forum.
Replika Maschinen, Inc.
[ http://www.replikamaschinen.com/ ]
Motorcycling tuning service that offers a two and four stroke cylinder head porting and air flow facility. Based in Santa Clara, CA.
[ http://www.sport-touring.net/ ]
Sportbike dedicated website. Site has links to other resources as well as a discussion forum.