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gsxrken gsxrken is offline
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Join Date: Sep 2002
Location: Westchester County, NY
Posts: 1,920
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Classic test for vacuum boosters is: car off, pump the brakes... hold down pedal while starting car... if pedal sinks further, booster is ok. I imagine it should be the same for our 930s.
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Ken
1986 930, 1969 Mach1, 2003 540 Sport, 2016 R1200RS
Old 03-27-2018, 10:03 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #2 (permalink)