400ex sprocket help [Archive]

zfrank07

03-07-2009, 07:20 PM

got a 07 400ex. right now it is bone stock. what sprockets do i need to put on it to help in the woods/trails and hill climbing? I plan on adding a pipe for it...and i got some holeshot hd tires to put on it...if either matters!

risen400

03-07-2009, 08:06 PM

probably a 14 in the front and what ever is stock in the rear, the 14 will give u more bottom end

zfrank07

03-08-2009, 09:34 AM

i think a 14 is stock in the front....

Black R/T

03-08-2009, 07:07 PM

400ex is 15/38 stock

dangitsbrandon

03-08-2009, 07:31 PM

actually the years vary. my 06 400ex has a 14 in the front stock

Black R/T

03-08-2009, 08:05 PM

news to me, thanks

bartmk

03-10-2009, 06:45 PM

Go with the 13 tooth in the front. All I do is ride the dunes with my 400. I run at 13 in the front and it gives me plenty of torque to make it up pretty much anything in 2nd gear... some things in 3rd. I can even do 2nd gear starts for drag racing.