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
 
Primary chain
clutch drum with 44 teeth
 
Belt drive
Clutch drum with 67 teeth

 
Belt drive
Clutch drum with 68 teeth
  

DAYTONA® care instructions
 


OLDTIMER catalogues
Here you can find catalogues from the past 50 years (is being continuously updated)