bolens 42 /13.5

[1-6 mike]

cut off when I try to go to reverse

 

[BlazNT]

We need Model number off the sticker on the mower. The model number off the engine would help too.

 

[bertsmobile1]

cut off when I try to go to reverse

Safety switches on some mowers cut engine out if you try to reverse with the blades engaged
Have you double checked your operators manual ?
Did you buy this mower new ?