ignition coil

  1. S

    '77 XS360 Backfiring above 5000 rpm + other issues

    EDIT: I think I found the issue, the new battery I installed is bad. For the life of me I cannot figure this out. Sorry for the long read but I feel like I should include everything I did, which is a lot. I recently replaced the coils on my Yamaha (1977 XS360) because the bike didn't really...
  2. A

    1982 Seca no spark after rainstorm

    Hi guys, I'm a little lost on this problem and I'm hoping someone here can point me in the right direction. I've got a 1982 XS400 Seca that was running as of early August but now has no spark on either side after it was out in a good rainstorm. I have the service manual and I've been attempting...