i need help setting my 400ex up for cross country racing...right now i have a pro circuit t4, uni airfilter....but i wanna know what else i could get for my ex to make it really competitive

 

im starting to race it as well and the advice i have gotten is new suspention full skids and a heavy duty front bumper ....its not all about going fast its about pertecting ur mechine cuz if u brake down u cant even finish the race

 

wider axel, a-arms, good shocks all around. Then get a steering dampner. That is a good start and will help the most. Then start looking into antivibe steering stem and flex bars. Then get a longer swingarm (+2) and start working on the motor. Long distance is all about comfort and reducing rider fatuige the longer you can ride at full speed and keep it under control the better you will finish. That is what kills me is fatigue, I'm good for about 50 miles with out feeling it then I get tired and have to slow down to maintain control, but that is all gonna change soon, I have suspension in the works so I should be able to make 75 miles after that before getting to the noodle arms and legs and having to slow to control.

 

i would get a steering stabilizer good tires and good skid plates a cam and high rev if the quad can handle the race it comes down to rider ability

 

I absolutley DO NOT agree with a LONGER swing arm for XC racing espically for a 400ex..nor a wider axel.

a steering stablizer is a good start but you really need to get better shocks in order to compete.

You see a longer swing arm hinders your abiltity to get the front end light riding over obstacles and a wider axle doesnt fit to well between trees...check my pics for that one. I race XC and would start with 6ply tires al around then a stablizewr then shocks if you goit the money.

 

I would go with the full body skid, good tires and rims, cam, high rev, pipe, and probablly some nerfs and handlebars. You should be set to go without a whole lot of engine work because its like what 430exrider said, its not power its your ability to ride.

 

an extended swinger will help soak up the hars whoops and allows for more power without lifting the front (not much of a concern on a 400 so you had a good point) and changes the certer of gravity making the bike more stable. The wider axel will be a huge help in the corners and will keep the bike planted, a +4 would only make it about 48-50 inches wide and that can fit down almost anything easy, and be worked around the rest without much effort. BUt the most important is suspension set up, get your shocks valved for your weight and the set up of your quad.

 

This guy wants to XC race.. not MX. Our Harescramble series you cannot get a 48-50 inch quad between the trees.maybe in New Mexico but NOT in the mid west. Where ever this guy is he stated XC racing..not desert.

 

Well first and formost you need a good STRONG front bumber. Something that will take down a sizable tree or five. Of course skid plates for when you run over those trees, and rocks, and stumps, and cats, and coyotes, and sheep, and children, and ... o, sorry i got sidetracked. 6 ply tires so you don't run the risk of jamming a sharp stick in one and ending your race. Then after thats essentials i would start looking at suspension mods. Remember depending on you budget will determine how fast you can start putting these things on your machine. Start out with the essetials of protecting your machine then focus more on other areas. O and by the way, i way totally kidding about the sheep.[img]i/expressions/face-icon-small-wink.gif[/img]