A fine Italian site with a lot of photos categorised by the years 1968 through to 1980.
Several large photos of beautifully restored KTMs. Well worth a visit.
Karl makes a lot of the Penton part fabrication that Al Buehner stocks. As well he does a mean restoration job.
A nice French site that provides a wide variety of spec sheets, photos and racing information.
Here's a great site from Sweden - several KTM articles (in Swedish of course!).
Another Italian enthusiast with many beautiful restored bikes, not just KTMs. Go take a look!
Adrian's excellent OzKTM site where you'll find a great section of technical sheets and KTM tests.
The biggest on-line archive of motorbike-related articles, videos and competition reports.
POG is a bunch of Penton enthusuasts in the USA who have a great website and a fantastic discussion forum. The guys on the forum are always helpful and it's really worth joining.
A nice site with lots of Jerry's bikes in various stages of restoration.
A great source of NOS and reproduction parts.
Al Buehner's source for all things Penton. Mostly pre 1980 spares and repos.
Try their on-line spares finder - you'll need a KTM parts manual with all the numbers to search.
Another on-line spares finder for KTM. Again you'll need your parts manual with all the numbers.
Got a vintage KTM that you'd like to share with other enthusiasts?