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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
yz250(f) or 450f
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[QUOTE="jb_dallas, post: 1375691, member: 103004"] I ride a YZ400F in the woods, so I have first hand experience on this topic. 1) The YZ is not geared for woods riding, it is geared for an MX track. In order to have a manageable (slow enough) first gear, I am running 13/51 sprockets...it came with 14/49, so you can imagine the impact to my top end speed...it tops out about 50 mph. It will get there very quickly, but there are a few fire roads where I want to run faster and cant. The WR (Wide Range) transmission needs no special gearing and will run faster than you need to go on dirt. 2) The YZ has a small gas tank. This may not seem like a big deal, but if you are trail riding, your range is very limited. I bought mine used with an aftermarket oversized tank (about $250-$300), so I lucked out. 3) The YZ has smaller, lighter radiators than the WR. While zipping around an MX track, thats no big deal because the bike gets plenty of air flow. However, running slowly through woods will sometimes cause the bike to overheat. I have tried to combat this problem by running water wetter and buying a Trail Tech Computer that gives engine temp. These are the reasons I recommended the WR250. I love the YZ's power, but given the chance to do it all over, I would buy a WR I disagree that a 125 MX bike is a good solution. I owned a RM125 a few months ago and sold it for this exact reason...they suck on the trail. Again, it is a motocross bike designed for a track. They absolutely no bottom end power and that makes trail riding very difficult. [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
yz250(f) or 450f
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