Two Stroke Motocross

Two Stroke Motocross Forum => Technical => Topic started by: 91kx500 on January 11, 2013, 06:27:33 PM

Title: Keihin PWK carb Kx500 Jetting
Post by: 91kx500 on January 11, 2013, 06:27:33 PM
I'm going to re-jet my carb here as soon as I get some good advice. Let me know what you guys know about this, I'm new to the whole jetting thing.

main jet - no number on it which is really weird to me. ive ran it before but i would like to know what size it is. im ordering a new one but not sure what size i should get. what size main jet should i run - 162, 165, 168, 170, 172, 188?

pilot jet - clean as a whistle. didnt look at the number on that but I'm thinking of re-jetting anyway. any suggestions on the size for when i do look, 55, 58, 60, 62, or 65?

What two jets would work good together or does it matter? I dont want to for example put a 55 pilot and a 188 main jet and bog it out or starve the engine. What am I getting into here?
Title: Keihin PWK carb Kx500 Jetting
Post by: SachsGS on January 12, 2013, 03:46:32 AM
Where do you live (humid/dry) and what elevation are you at? Stock bike or mods?
Title: Keihin PWK carb Kx500 Jetting
Post by: 91kx500 on January 12, 2013, 07:11:34 PM
Where do you live (humid/dry) and what elevation are you at? Stock bike or mods?

I live in Virginia, we see a lot of 100% type days here. I'm directly at sea level. Stock bike... for now.