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I'm looking to buy a 300EX. I found a cheap one on Craigslist for $700. It's a 2003 Honda 300EX. Apparently it runs fine, and just needs piston rings replaced. Here is the guys exact words from his Craigslist ad.

I have a 2003 model 300ex for to trade or sell it is like new. The only thing is when we order some replacement rings, they was bad so it does need rings but it runs good just smokes. I would like to get 700 out of it
Here is pictures of what it looks like.





Do you think Piston Rings would be all it needs? If so, how much do you think Honda ATV would cost to fix it? Would it be worth the $700 he wants?
 

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welcome to the forums... The rings are not that expensive but I would recommend a top end rebuild kit instead it will come with everything you need to complete a top rebuild. I would suggest if you decide to buy it I would first run a compression check dry and wet test to determine whether or not in fact the rings are the issue, generally the culprit isn't the rings but the valve seals instead which would be somewhat less expensive a head gasket kit a set of valves and while you got it torn down I strongly suggest a new timing chain and timing chain guide regardless of either rebuild. It's much easier to replace thse while you have it torn down rather than going back in later. keep in mind you will have to get a complete engine gasket set due to having to remove the right side cover to remove the timing chain from the crank. new clutches wouldn't hurt either if I maight add. All of these parts are relatively inexpensive. Good luck and if you need any further assistance there are alot of guys here that can help with anything you might need.
 

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I saw this same add. The guy that owns this, lives in the same county that I do. I thought about buying this, myself. The reason that I didn't buy it is that I figured the cylinder was bad, also. I still may have bought it, but I didn't like the fact that it had been painted.
 

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welcome to the forums... The rings are not that expensive but I would recommend a top end rebuild kit instead it will come with everything you need to complete a top rebuild. I would suggest if you decide to buy it I would first run a compression check dry and wet test to determine whether or not in fact the rings are the issue, generally the culprit isn't the rings but the valve seals instead which would be somewhat less expensive a head gasket kit a set of valves and while you got it torn down I strongly suggest a new timing chain and timing chain guide regardless of either rebuild. It's much easier to replace thse while you have it torn down rather than going back in later. keep in mind you will have to get a complete engine gasket set due to having to remove the right side cover to remove the timing chain from the crank. new clutches wouldn't hurt either if I maight add. All of these parts are relatively inexpensive. Good luck and if you need any further assistance there are alot of guys here that can help with anything you might need.
Agree^^^^ All this will help in the long run!
 

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Agree^^^^!!
 

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I mostly just ride utility ATVs, but I just traded for a 300EX a few minutes ago. I didn't trade my Foreman, though.
 

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Did you get rid of your warrior Helmut?
 

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What did you trade man?
 

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Another Yamaha. LOL. Big Bear 400. I trade a lot. I usually keep the Honda's and trade the Yamaha's.
 

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good idea.I'm telling you what though the big bears were good plow machines.
 

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good idea.I'm telling you what though the big bears were good plow machines.
I hardly ever have enough snow to plow here and I've still got the Foreman if I need to plow. The Big Bear needed a little work, though, and it needed 4 new tires and it didn't have any brakes, front or back. It needed the carb cleaned and I just didn't feel like fooling with it. If the weather had been warmer, I might have fixed it. Here is a picture of the Big Bear.
 

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Well have fun on the 300ex.It ought to be fun.
 

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I'll try it out when the weather fairs up, if I don't trade it before then. LOL.
 

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Awe don't get rid of it yet.lol
 

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Helmut if you need any advice on a fast built 300ex engine pm 300ex powered by monster he can hook you up brother!!!LOL
 

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Aint that right.ROFL!!!
 
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