YardMan lawn mower won't mow in reverse.
Do you really think anyone can help you with all this info you hAve gave us?
Push mower ?
Riding mower?
Model number and or size , year made
Any kind if info to let us know what you are talking about.
Will it go in reverse when pto not engaged.
Does it shut down with blades engaged when you try to backup ?
Did this just start or has it always done this?