Universal Parts 47cc Pocket Bike Muffler yamaha zuma 125 your regulator is likely stuck

your regulator is likely stuck in the "open" position

Not For Highway Use (NHU) — track and off-road only

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Universal Parts 47cc Pocket Bike Muffler yamaha zuma 125 your regulator is likely stuckThis stock style muffler is a direct replacement for 47cc and 49cc small pocket bikes, commonly found on Cag and Daytona style mini bikes. At 24. 5 inches overall length with a standard 38mm bolt hole spacing on the exhaust flange, it installs without modification on most compatible frames. Fitment: 47cc 49cc Cag and Daytona style pocket bikes Overall length: 24. 5 inches Exhaust flange bolt hole spacing: 38mm WARNING: Cancer and Reproductive Harm