XR 400!!?



5 replies to this topic
  • Guest_Guest_*

Posted September 12, 2000 - 06:34 AM

#1

I just bought a Honda XR 400 '98, with the aloop mx seat/tank/rads kit(www.aloop.com). do you guys know any hop up tricks for the XR 400?

  • Bryan Bosch

Posted September 12, 2000 - 01:15 PM

#2

Exhaust! This bike is corked up big time. Dirt bike tested lots of pipes/headers for this bike probably a year ago. I'd go to dirtbikemagazine and check out their archives.

Remove the airbox snorkel and backfire screen in the filter. It has a metal mesh layer sandwiched between two fine metal screens. Cut the first screen on the airbox side and romove the metal mesh.

This is all I did to my 96 XR 250 and it was great. I believe that Powerol (Bend, OR) makes a 440 kit that is pretty awesome. You might want to check it out.

Have fun!

  • Guest_Guest_*

Posted September 12, 2000 - 01:37 PM

#3

Check out white bros dyno chart for your bike. The horse power gains for the 400 650 are amazing. I would bet a pipe would be the best way to go.
http://www.whitebros...ffman/XR400.pdf
Nick

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  • MotoGreg

Posted September 12, 2000 - 04:16 PM

#4

MXA magazine did a story on the xr400 and told everything to do. There is a different carb needle to use, also they said an K&N air filter is the best type for the xr400, remove the airbox snorkel, and use their jetting specs (it varies depending on the other mods but they tell you everything). I don't know what issue it was, about 9 months ago or so. I'd check their website and email them for the back issue, I've emailed them about stuff and they are very helpful.

http://www.motocross...com/default.asp

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The proceeding nonsense brought to you by MotoGreg
On two wheels (or 3) since 1970
'92 GSXR 7/11 (Until I get a shwangy 916)
'99 WR/YZ400F 'Cause thumpers rule and two strokes drool!
Visit my photo album for the bargain price of $75 - ENTER AT YOUR OWN RISK - EVIL LURKS WITHIN!

  • fowler175

Posted September 15, 2000 - 10:51 PM

#5

I believe you can purchase an exhuast tip for a 96' xr400 from honda for around $40-$50 to replace the one on your 98'. It's a cheaper alternative than an aftermarket system and is said to produce about 2-3 extra horses.


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You mean my bike has FIVE gears?

  • MotoGreg

Posted September 16, 2000 - 04:27 PM

#6

Ya, the '96-'97 has an opening about double the size of the newer ones.

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The proceeding nonsense brought to you by MotoGreg
On two wheels (or 3) since 1970
'92 GSXR 7/11 (Until I get a shwangy 916)
'99 WR/YZ400F 'Cause thumpers rule and two strokes drool!
Visit my photo album for the bargain price of $75 - ENTER AT YOUR OWN RISK - EVIL LURKS WITHIN!




 
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