RCU Forums - View Single Post - UMS Radial Engines. Who's got one and are they any good?
Old 08-08-2021 | 05:12 AM
  #27  
n8622t
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From: Springdale, AR
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It sounds like it’s either the ignition or the pick up sensor. If the bottom cylinders get fuel then so will the top cylinders. Make sure the battery is healthy also, as well as a good functional switch. I’d say you have an electrical problem
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