pulsing

  1. L

    Pulsing revs

    Hi there, I've got a strange problem on my 1996 SL500 R129. The revs pulse when I maintain a speed with very little throttle. It's done it since I bought it 15 months ago. I might be doing 40mph, tiny amount of throttle and after a short while, the revs will drop 100rpm then recover...


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