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Help me identify this yamaha

This is a discussion on Help me identify this yamaha within the Motorcycle Discussion forums, part of the General category; My name is mark and I live in australia.. I have a Yamaha motorcross bike that has belonged to my ...


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Old 09-27-2012   #1
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Default Help me identify this yamaha

My name is mark and I live in australia.. I have a Yamaha motorcross bike that has belonged to my wife for about 10years. We dont really know what it is.
At first glance it looks like a DT400 engine in a MX250B frame, but the guys at Yamaha had it for a couple of weeks and said there have been Modifications
Frame # 509-007392
Engine # 574-000323
there is a 50000 stamped under the head fins

From what I can see the 574- engine number is not a dt400 number at all

Any assisttance you can give us would be greatly appreciated
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kaneys is offline   Reply With Quote
Old 10-25-2012   #2
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It's an MX-400...pretty sure.

It's pre 1980, so it doesn't have the 17 digit VIN...
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Old 03-21-2013   #3
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Yamaha is a world class automobile company which makes an awesome bikes and also there are many people around the world who are using Yamaha bikes.
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