revolution

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  1. B

    Pulses Per Revolution, Tach Help

    I've got 2 saws, a MS 291 and MS 461, and recently bought a tachometer. I never have really messed with the carb settings and have just left them at what they were set at from place of purchase. I'm curious now what these saws are running for RPMs. I have a dumb question. What setting do I...
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