Motorcycle Questions? Ask a Mechanic.
Hello, you can perform a compression test to see if it's a valve sticking. Both cylinders should be within 10% of each other. Valve issues on the modern motors are not very common. To be honest what you describe sounds more like a faulty ignition control module. Unfrtunately there's no test procedure for the ICM than to replace it with a known good one.
More than likely, yes