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valve keeper
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  1. Mechanical & Hydraulics Forum
    I have recently run into a strange problem. On a B&S 12hp vertical and a B&S 8hp horizontal the intake valve keepers came off while the engines were running. The 8hp is over 25 years old with little use and the 12hp is 15+ years old and was recently rebuilt. The keepers are washer like with a...
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