montana

Hey from Montana. Got my kit (48cc grubee) put together on a Trek 800 mountain bike. Got a 2 questions. 1. Has any one tried a KMC z510hx bmx chain? It is rated at 2600 lbs tensile strength. 2. From 1/4 throttle to almost wot the engine four strokes. I junked the cns carb and replaced it...