Jetting for 9000 ft elevation

[Glenn]

Hi all, I'm going to Taylor park co this summer to ride. Anyone know a good starting point for jetting a 220 with rb head and carb, fmf desert pipe?

[Vossman]

https://thumpertalk.com/forums/topic/49 ... -database/
This may help. There’s a jetting thread in here too. Scroll down a bit on the main page.

[Glenn]

Thanks Vossman for the quick reply. I used the search bar and didn't come up with anything. I hate my damn phone and my technological ineptitude. I will check your suggestions.
Glenn

[Vossman]

viewforum.php?f=105

Here’s the jetting area. Let us know what you find.

[ericr]

At 7,000 ft on my KDX220 with the same RB mods but a woods pipe, I'm using a 38 PJ, DEK clip 3, 148 main with 50:1 fuel. This works for me, but I encourage you to do a leak down test and follow the jetting guide for your own particular bike.

[Glenn]

Thanks vossman and ericr.

[Vossman]