Mower three years ol;d and noticed only one wheel is self propelled.
I thought both wheels were propelled when it was new.
Am I correct or shoulod only one turn

Hi! Robert Squires, welcome to AMHD :)

Quote:

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Originally Posted by Robert Squires

Mower three years ol;d and noticed only one wheel is self propelled.
I thought both wheels were propelled when it was new.
Am I correct or shoulod only one turn

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Every walk behind I've ever owned had both wheels powered.

Troubleshooting as per Manual; Reasons Wheels will not propel.

• Belt not installed properly - Check belt for proper pulley installation and movement.
  
• Debris clogging drive operation - Clean out debris.

Bob, if you would like to download the manual, see here:
MTD Manuals - MTD Parts

Scroll down until you see:
900 SERIES - TROY BILT - SELF PROPELLED MOWER 769-03045
Click on the blue 769-03045 file number.

It is a 14.2MB PDF. Troubleshoot is at the bottom of pg15.
Speed shift cable adjustment is on pg 10
Belt Care for wheel drive starts on on pg 11, and goes to top of pg13 step 27.

Save manual for future reference. ;)

K