97 CBR 600 F3 shuts off every time I pull the clutch in?

I have a 97 Honda Cbr 600 F3 that has been in the shop for 8 months every time I get it back the bike shuts off after 30 miles of riding it, it does this as soon as I pull in the clutch coming to a stop. That is until I lost compression in the motor and all but one cylinder stopped firing. Does anyone have any ideas as to what happened?

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