JK Knowledge
There are some articles in Speedway in need of explanation. Which article fits which? How do I know which product I need for my bike? How do I set up several parts? What do I have to pay attention to?
On this site we try to clarify those questions by building a knowledge base for Speedway. Remember: We are more than 40 years on the market...
Here's some information you may find helpful (more will follow, soon):
Clutch spring matrix
- Which clutch spring delivers how much pressure?

RevOlver carb instructions
- The instructions for the RevOlver carb by GM

Engine plate identification
- How do I know which engine plates I need, if I don't know what diamond I have?

Transmission ratio table
- The transmission ratio under consideration of engine sprocket, clutch, countershaft sprocket and rear sprocket shown in a neat and printable table
OLDTIMER catalogues
Here you can find catalogues from the past 50 years (is being continuously updated)





