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Author Topic: 390xp info  (Read 1585 times)

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Offline blsnelling

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Re: 390xp info
« on: October 26, 2011, 09:23:06 pm »
Hello Jim.  This will give you an idea what a "woods port" will do for you.  This is a mod that alters the ports inside the cylinder, allowing it to make more power.  The muffler is also modified to breathe easier.  The factory rev-limited coil is replaced with an unlimited one.  Finally, the carb is retuned to accomodate the mods.

http://youtu.be/W3MiwqfXQJw
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