Yamaha G1 exhaust muffler system get leaks, and needs to be fixed or repaired within a few years. The exhaust gets noisy and smoke can come out from under the seat. Most backyard mechanics will have no problem fixing their Yamaha G1 golf cart with the correct parts.
The video for the Yamaha G1 exhaust muffler repair below was made by Tuber ‘The Random Mechanic’. He did a great job showing how to replace the manifold rings and gasket on the golf cart.