What is the method to reset the Yamaha malfunction indicator light?
3 Answers
Yamaha malfunction indicator light can be reset by using a professional diagnostic computer. Taking the 2020 Yamaha model as an example, it belongs to the scooter category with the following specifications: length 1800mm, width 685mm, height 1050mm, wheelbase 1275mm, fuel tank capacity 5.1L, and curb weight 90kg. The 2020 Yamaha model features front and rear tire specifications of 90/90-10 50J, equipped with a front single disc and rear drum brake system. It delivers a maximum power of 6.1kW and a maximum torque of 9.7Nm, with a continuously variable transmission (CVT) and belt drive system.
I've been riding a Yamaha motorcycle for several years, and the check engine light usually comes on due to sensor or electronic system issues. The safest way to clear it is to visit an authorized service center to erase the fault codes with diagnostic tools, but this is just a superficial fix. If the root cause isn't addressed, the light will keep coming back. For example, my bike once had the light on because of a dirty oxygen sensor. I disconnected the negative battery terminal for a few minutes to temporarily turn it off, but the real solution was cleaning or replacing the part. Don't forget to check battery connections and throttle body cleanliness—these minor maintenance tasks can reduce the risk of faults. If the light comes on, never force the bike to run; getting it checked by professionals is the best approach to avoid hidden major issues that could damage the bike or compromise safety.
When the warning light comes on, I can share some experience: As a daily rider, I panicked when the light came on once. I tried disconnecting the battery for ten minutes and reconnecting it, the light went off but the problem remained. It turned out the air filter was clogged. Cleaning it solved the issue, so I suggest checking simple things like the filter and spark plugs first. If that doesn't clear it, buy an OBD tool to read and clear the codes, but online methods are risky—a colleague of mine damaged the ECU by disconnecting the circuit, resulting in heavy losses. Prevention is key; regular oil changes and high-speed runs can reduce the chance of the light coming on. Don't just rely on clearing it.
