I got caught in a shower yesterday, for 60 miles and can confirm it was fine no problems
Mine was just where the ht lead exits the coil for some reason
I did try the plug end but that was fine,
I used a silicone sealer (flexible bathroom type) as that's what I had to hand

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K+N filter, snorkel removed, homemade kev mod (with his blessing), co raised,
Pipeworx cans, r1 led back light, under tray removed, small indicators, handguards, cnc short levers,