Reply To: Looses power and cuts out at high speed

[♠️ M77]

I would not use IX plugs because Hyosung’s hate them. The best plugs for them are normal CR8E  or  “LASER” type spark plugs.

The reason why you are also conking out on higher gear / higher revs is because the fuel tap is on it’s way out.

I would replace the pump also if it acts suspicious but 10000000% replace the tap.