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ktt

I was just wandering which 450 dirtbike was the fastest?

3 posts in this topic

I asked the same thing on the 450 atv forums probably get the same answer but which 450 dirt bike is ther fastest

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what you wanna do is sleeve a 600 sportbike engine down to 450cc, taking care to replace the stock exhaust bearings and powerband with aftermarket ones. than install this engine in any mx frame (it should bolt right on) and gas her up. then you will have the fastest 450 on the block.

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