mild modified 400ex hp?

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Dec 15, 2003 | 02:34 PM

Fusion

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Trailblazer

Joined: Aug 2003

Posts: 31

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mild modified 400ex hp?

Hey im just wondering what my 03 400ex puts out.. i got a WB E-series, WB power filter, and 14 tooth sprocket.. if any one knos plz let me know.. Thanks

Dec 15, 2003 | 02:46 PM

Quadfather

Pro Rider

Joined: Sep 2001

Posts: 1,116

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mild modified 400ex hp?

Stock EX pus out 26-27 hp, pipe and filter adds roughly 3-4 hp. with proper jetting. Sprocket adds nothing, it just changes gearing.

Feb 16, 2004 | 08:37 PM

DanielHMF

Weekend Warrior

Joined: Feb 2004

Posts: 1

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mild modified 400ex hp?

yeah I agree, you probebly have about 30 hp if you have those modification.

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