Hello, I just purchased a used MTD yard bug, Model 13B-325-401. Engine runs great but after I brought it home I was unable to get it into either forward or reverse. Today I tried adjusting the brake cable since engaging the brake allows the shifter to be engaged for forward or reverse. I also noticed the the reverse cable was broken. With the adjustment to the brake cable I was able to get the mower to engage in the forward gear but it would disengage after a short distance. Stopping and using the brake pedal I could re-engage the forward gear but it would continue to disengage after a short amount of time. I was going to try to adjust the brake pedal even more and see if I can determine if there is an adjustment that can be made to the shifter cable. Does anyone have any other ideas on what may be causing it to pop or disengage from gear?
Stones
Update: After adjusting the brake cable and the shifter cable I was able to get it to go a little longer before it would stop moving. Engine stayed running fine. I also noticed that if I just tapped the brakes, I could start moving forward again. Didn't have to touch the shifter. I also noticed that it truly was staying in gear not only because tapping the brakes would allow me to continue moving forward but if I killed the engine I couldn't push it forward because it was still in gear. There must be some tie-in between the brakes and the gear/transmission.
Anybody have any ideas?!?!?!
Stones
Ok, one last thread of thought before I call it a night. Can the root cause be the clutch safety switch located behind the brake? It seems that if I have to tap the brake it must be causing the clutch safety switch to be reset allowing for the mower to move in gear.
Stones
Update: After adjusting the brake cable and the shifter cable I was able to get it to go a little longer before it would stop moving. Engine stayed running fine. I also noticed that if I just tapped the brakes, I could start moving forward again. Didn't have to touch the shifter. I also noticed that it truly was staying in gear not only because tapping the brakes would allow me to continue moving forward but if I killed the engine I couldn't push it forward because it was still in gear. There must be some tie-in between the brakes and the gear/transmission.
Anybody have any ideas?!?!?!
Stones
Ok, one last thread of thought before I call it a night. Can the root cause be the clutch safety switch located behind the brake? It seems that if I have to tap the brake it must be causing the clutch safety switch to be reset allowing for the mower to move in gear.
Last edited: