What size spit rod do you have?

 5/16" Spit rod kits -Standard -(Spit rod pointed end is same size as the square motor insert)

3/8" Spit rod kit -Medium -(Square spit rod pointed end is reduced, to fit in motor insert)

 1/2" Spit rod kits- Large Hex Rod-(Hexagon shape reduced to fit in square motor insert) 

19" Skewers - Grill width minimum  must be 21" or wider (Allows 1" clearance on each side)  

22" Skewers - Grill width minimum must be 24" or wider (Allows 1" clearance on each side)

 25" Skewers- Grill Width must be 27" or wider (Allows 1" clearance on each side)

* Allowing more than 1"  clearan fothe width is better*