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  • Replies: 1,660
North UK

Try a fresh set of CR8E plugs   , i don’t think Hyosung’s like the “K” code at the end of the plug, so it could just mean wrong plugs.

Try that and update us with a new topic with a bit more history of the bike (yes you can repeat the fixes you did in the past, so it might save us repeating old suggestions tha you tried already)

Do a compression test on full throttle ,  both plugs out , and tell us the PSI readings on a new topic.  (Do this after the bike has warmed up)

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