Electrical Issue 1990 VFR750FL

Discussion in '3rd & 4th Generation 1990-1997' started by Irish VFR, Jun 6, 2026 at 6:26 AM.

  1. Irish VFR

    Irish VFR New Member

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    Hi folks,new member here from Ireland.Having an issue with my 1990 VFR750FL,no spark on No.2 cylinder.HT leads,plug caps&plugs are new,new battery fitted,etc.When the left&right hand coils are swapped over,the bike will run on all 4 cylinders with a healthy spark,however,when the coils are swapped back,the problem returns with no spark on cylinder 2.All electrical connections are clean&tight.

    Kind of at a loss over what's causing the problem,any suggestions/ideas would be very welcome.

    Many Thanks
    Irish VFR.
     
    Irish VFR, Jun 6, 2026 at 6:26 AM


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  2. squirrelman

    squirrelman Member

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    on one of my '86 vfrs the cdi box went bad and wouldnt spark on just one cylinder OCT_1_-18_109.JPG.190c09c6832b69d9465dfed18a109300.JPG OCT_1_-18_109.JPG.190c09c6832b69d9465dfed18a109300.JPG
     
    squirrelman, Jun 6, 2026 at 12:27 PM


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