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DPete

08' WR450 stock silencer/ spark arrestor

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Is the stock silencer an approved spark arrestor? Can't see where it says so on it.

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Is the stock silencer an approved spark arrestor? Can't see where it says so on it.

It should say so on the tire side of the muffler.

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Says " Yamaha 5TJ-EO, Screen type,Yamaha YMS400B" Then a paragraph about noise decibels. Does not actually say spark arrestor or anything about  USFS

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Most of all of the rangeretts and ranger's just use a wire to check for a spark arrestor. My BBR say's forest approved but the sticker wont last long.

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