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View Full Version : 2006 LTZ400 Jets


themnk3y
08-11-2009, 03:52 PM
Looking to jet my 2006 LTZ400. Was hoping to get some suggestions on brands/kits that would make my jetting as simple as possible.
cataway
08-11-2009, 04:36 PM
jetting depends on what you have done to the air box lid ,if you have changed any thing on thre exhaust ???
themnk3y
08-11-2009, 04:44 PM
I haven't done anything yet. I'm just looking for suggestions on brands to buy. Not really looking for particulars about the jetting yet. I don't want to buy one brand if they aren't very good. Then I would have to turn around and buy a different brand of jets. Thought maybe I could find out if anyone had better luck with certain brands than other with their LTZ 400.
z400mayhem
08-11-2009, 05:16 PM
i think dynojet is good, and fmf.
cataway
08-11-2009, 05:20 PM
then i take it your completly stock,
if you take off the box lid and remove the spark arrester most likely a 142.5 main jet will do some thing for you, next thing is a ex air boot ,its cheep and good for 2 hp .requares some modding of your air box but if you want power its what you have to do.
dont mess with slipon's ,go with a full system exhaust
cataway
08-11-2009, 05:44 PM
some thing of what the ex boot mod should look like


http://i44.photobucket.com/albums/f9/cataway/P1180021.jpg
themnk3y
08-15-2009, 07:50 AM
Just added an Outerwears prefilter to my air box lid. Will soon be adding a new K&N filter. According to K&N they suggest rejetting with the new filter if one has modded their air box. Any suggestions? K&N filter model is SU-4002.

Holding off on the exhaust for now. Due to the expense of the full system I wanna make sure I get the right one so I can spend my money wisely.