Yamaha's V8 outboards with new power ratings
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Nizpro Supercharged Yamaha 450s
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Yamaha V8 XTO, a monstrous 425 hp outboard!
XTO Yamaha V8 450 HP : Yamaha's most powerful engine
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Yamaha president weighs in on size of new outboard - Trade Only Today
Who wanted more power? Here's the new Mercury Racing 450R
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Yamaha 450 XTO outboard price in Europe - mBoat.eu
