Common damage to motorcycle starters

The starter on the vehicle is a very important part, responsible for starting and enhancing the convenience of the vehicle. For many scooters on the market, manufacturers have removed the kick starter to increase aesthetics, so the only part to start the vehicle is the starter.

The starter that comes with the car is usually quite durable and rarely breaks down. However, if you do not check and maintain it regularly or use it incorrectly, it will cause a lot of trouble and affect your daily work.

Note some of the signs below to determine the operating status of the starter for timely inspection and repair. However, the article has excluded problems with the battery and the charging system on the vehicle and the ACG starter system of new generation scooters.

Common damage to motorcycle starters

Carbon brush wear

The starter is simply an electric motor with carbon brushes. When the carbon brushes in the starter wear out, they generate dust and stick to the permanent magnet on the stator, reducing the gap between the rotor and the stator. Until the amount of dust is too much and jams the starter, gradually peeling off the permanent magnet glued on the stator and causing the starter to fail. There are cases where the carbon brush dust sticks to the commutator, causing the vehicle to start erratically.

Starter relay failure

The relay in the starter is responsible for pulling and releasing the starter gear to engage with the starter gear in the engine. When the power supply to the coil is unstable, the relay will be continuously pulled and released, creating a "clicking" sound when pressing the starter. In this case, do not try to start the engine, it will lead to the starter slipping, broken gears and affect the future operation of the starter. When this phenomenon occurs, you need to take the vehicle to the shop for inspection and replacement.

The problem

When pressing the starter, not only does the engine not start, but there is also an unusual gear collision phenomenon on the engine side, which sounds very unpleasant. That is the phenomenon of starting, the cause of this phenomenon is that the ignition IC is not at the right time or the camshaft is installed incorrectly after overhaul. More specifically, the ignition timing is too early, ignition before the standard ignition timing of the engine causes the phenomenon of backfire (the rotation direction of the starter motor is opposite to the rotation direction of the engine), which can easily lead to chipped teeth, broken teeth, deformed starter teeth or destroyed starter. It is necessary to bring it to a reputable shop to check and adjust immediately when the above phenomenon occurs.

Rusty joints

The connections at the starter input and especially at the battery output are prone to rust and corrosion due to oxidation or salt precipitation due to acid in the battery, causing poor contact, the current supplied to the starter is small and not enough for the starter to create a large torque to start the engine. Most of the clamps or screws that secure these connections are not made of copper or aluminum, so they quickly rust and corrode, affecting the quality of the starting current. These connections should be regularly checked and cleaned to ensure good contact.

Regular and periodic maintenance of the starter (carried out during vehicle maintenance) not only helps maintain good performance and increase the life of the starter system, but also saves costs and limits unnecessary damage.

According to VNN