- Nov 19, 2002
- 645
- 0
If I use race gas for 1 race, this weekend, do I run it 50/50 (100 octane) with regular gas? I have a RK Plug, 2003 Stock KDX (airbox mod) do I have to change my jetting? and what should the premix be? I believe I am running 40 something to 1. thanks!!