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Front forks with Nitrogen? Help!

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I just bought an 04 crf250R for my son, and I need some help. I noticed a little oil leaking out of one the front forks. These forks have JMC Racing on them, and also have a single nitrogen bottle connected where the bleeder screws would be (definitely not stock). Can someone either tell me where in Southern MI that I can have this worked on, or what I should do to fix. I am fairly mechanical, but have never worked with suspensions. I'm a little afraid of really messing something up.

Also, why would this have a nitrogen bottle connected up front. I know they have one for the back, but unsure why the front.

Thanks!

Tim

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those are subtanks, not nitrogen...see i have a custom made set of enzo tanks..

http://www.thumpertalk.com/forum/garage.php?do=viewattachment&attachmentid=11286

look similar?...they hold more volume for your forks and make the forks feel much more plush on braking bumps and help them take bigger hits better

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Yes, it does look similar to this, except there is only one tank. Does this mean that it is not under pressure like the Nitrogen ones? Also, there is an adjustment screw in the side of the tank, what does that do?

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does it have tubes running to both forks? use a tire pressure gage and see what kind of pressure you got in there. I bet it's a single air tank.

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