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Posted: 09/21/08
06:53 AM
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I just bought my 400EX about three weeks ago and need some advise on some power upgrades that dont cost to much money. I was thinking a new REV box and Coil, and new intake box.
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wolf1
Guru
| Posts: 1069
| Joined: 11/07
Posted: 09/22/08
03:42 AM
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go with a 42 tooth rear sprocket.
if i remember correctly it comes with a 40 tooth factory sprocket
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