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rough idle

  1. M

    1994 R100R rough idle

    My 94 R100R suddenly started idling on one cylinder (it sounded exactly like my SR500 lol!). The left cylinder was not firing and bike would idle at ~700 RPM Rolling on the throttle and the left cylinder would start to fire and above 2000 RPM the bike runs perfectly. I screwed in the idle...
    • murty
    • Thread
    • r100r rough idle
    • Replies: 19
    • Forum: Airheads
  2. happy wanderer

    Idle Regulating Valve (IRV) Question

    Sorry for double posting. I have asked this question in another very long and old thread (Surging = Needs Service) but thought maybe someone out there would recognize this particular issue. My '96 R1100RT has an IRV, no O2 sensor and no CCP from the factory. I read kenk's old post (A BMW Fix to...
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