Kubota Z231 zero turn stalls

[Papalote]

After I mow for about 20 or 30 minutes the mower dies and won’t restart. Blows blueish smoke out when I try to start it. After it cools off it will start again. What do I look for? It has a Kawasaki RR651V motor. Less than 75 hours.

 

[lynnmor]

After I mow for about 20 or 30 minutes the mower dies and won’t restart. Blows blueish smoke out when I try to start it. After it cools off it will start again. What do I look for? It has a Kawasaki RR651V motor. Less than 75 hours.

Immediately check for spark after it shuts down, it could be the coil/ignition module failing when hot.