* Air intake issues. If your bike is not getting enough air, it will sputter at high rpm. This can be caused by a clogged air filter, a damaged intake manifold, or a valve that is not opening properly.
* Spark plug issues. If your spark plug is not firing properly, it will sputter at high rpm. This can be caused by a worn spark plug, a faulty spark plug wire, or a bad ignition coil.
* Engine overheating. If your engine is overheating, it will sputter at high rpm. This can be caused by a low coolant level, a faulty water pump, or a damaged radiator.
* Electrical issues. If there is a problem with your bike's electrical system, it can sputter at high rpm. This can be caused by a loose battery connection, a faulty voltage regulator, or a damaged stator.
