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Old 04-21-2010, 09:01 PM   #1 (permalink)
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400ex CDI and Coil???

I was wondering if the kits on Ebay are worth buying and if they actually notice power gains?
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Old 04-21-2010, 09:08 PM   #2 (permalink)
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Welcome to the site!

Post a link to the product you are speaking of. Some are good and some are junk.
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Old 04-21-2010, 09:12 PM   #3 (permalink)
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Welcome to the forums.
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Old 04-21-2010, 09:16 PM   #4 (permalink)
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I agree with red. Welcome to the forums
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Old 04-21-2010, 09:42 PM   #5 (permalink)
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AMR S2 REV BOX COIL COMB0 HONDA TRX 400EX 400 CDI 99-04 : eBay Motors (item 200461285298 end time May-13-10 22:38:22 PDT)

I'm trying 2 get the most out of my 400ex without internal mods, any advice would be appreciated.

-Ian
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Old 04-22-2010, 07:53 AM   #6 (permalink)
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I'm going to say that those are legit. They don't make any outrageous claim, they say it does exactly what it should. I would not hesitate to buy from them.
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Old 04-22-2010, 08:47 AM   #7 (permalink)
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ive got an amr cdi box.to me it seemed like shift points were a little snappier and i could notice but not much the higher rev limit.
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Old 04-22-2010, 12:50 PM   #8 (permalink)
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So all in all, are they worth buying outside of a full pipe/air filter?
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Old 04-22-2010, 01:55 PM   #9 (permalink)
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The cdi is an upgrade that responds extremely well to a new exhaust, intake, and cam. But you will notice a difference over stock.
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Old 04-22-2010, 06:38 PM   #10 (permalink)
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What about the coil itself? Any1 have any input or experience on that?
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