"Octopus"???

What is reffered to as the "Octopus" on the wr4oo? If removed are there any noticeable horsepower gains??

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"Keep it on the back wheel"

Mr. W.D.,

Removing the octopus really cleans up your bike. It also deletes some possible vacuum leaks (AND PROBLEMS) inside of your engine. I have never missed mine and my bike runs and starts great.

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99 WR, all YZ mods, de-octopused, OEM YZ tank and IMS seat, jetting by Clark/James, got forked by Pro Action, DSP airbox, PB Header, Stroker SX-1 SA, Thumper Rad Guards, Acerbis Hand Guards, WAITING IMPATIENTLY FOR MOAB, boning up on my sheep shearing skills AND knowing Mitch will help me out IN ANY WAY I NEED IT!!

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