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suade907

Anybody know what the claimed HP is on a WR450?

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And a WR250 have? I'm just curious My brother just got one and was curious how it compares to my wr250. They are sweet bikes.

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I think I heard 48?
Is that for stock? I doubt it. I was able to get just over 47hp on an '04 WR450 that had all the free mods on it with a stock pipe and Pro Moto Billet insert. I'd say stock was closer to 41-42.

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Dirt Bike magazine did a dyno last year of an 05 WR450. Came in at 45 stock. Have never seen a 250 but the YZFs come in around 35 stock.

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Hi,

My WR450 has 56hp from the engine and 44hp from rear wheel.

Mods done: Akrapovitch silencer, Twinair cage and filter, Jetting

Timo Mc

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Have never seen a 250 but the YZFs come in around 35 stock.
WR250F bone stock no mods is ~27hp. Free mods and slip-on muffler get you ~35hp.

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