Check out the motor in this quad. Look familiar?
http://www.viva-motors.com/atv-400oc-oil-cooled.html
http://www.viva-motors.com/atv-400oc-oil-cooled.html
Thats because Yamaha sells these bike to them to sell under their name under a licence and do what ever else they want. I've seen this before, and I've seen the spec sheet for one it's the exact same thing as a Raptor including bore stroke, they just call it a 400 for a better selling point.
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