669 belt

Drive belt used on Hammerhead 80T and TrailMaster MID karts, also used on 30 series bolt on torque converter kits, the kits use belt #725.
Look at the top of your belt for the number 669 or 725.
The 669 belt is a 1/2″ shorter than the 725 and is the most common.
The 788 belt is used on the TrailMaster MidXRXR model with reverse and on HammerHead 80T and Mudhead karts.