Electric Bike Common Troubleshooting and Repair Guide

The whole Bike has inexplicable noise

1. Check whether the counter (also known as meter gauge or turbo) on the contour of the front wheels or the connector part of the yardstick line is out of oil, if so, add grease.

2. Check whether the front and rear wheel fenders are loose, causing the tires to fit when driving.

3. Check that the shock spring section is not touching and rubbing against the shock inner tube.

4. Check whether the screw at the connection between the rear flat fork of the frame (that is, the steel frame where the fixed motor is mounted) and the frame is out of oil, if so, add grease. Screw. Screw nut, add in the outside is useless.

Abnormal noise when braking

1. Check whether the front and rear disc brake pads are worn out or nearly worn out, part of the place where the brake pads are completely worn out and exposed iron.

2. Check whether the disc brake disk is worn (often contact with the brake pad's part is obviously lower than the non-contact surface); 3. Check whether there is any damage caused by the installation and adjustment of the disc brake disk.

3. check whether there are uneven brake pads due to improper installation and adjustment (remove the brake pads and visually inspect whether there is obviously one side high or one side low).

4. Resurface the two brake pads so that the center part is slightly higher than the ends.

5. If it is a drum brake, check whether the braking performance is significantly reduced, whether the brake stroke is significantly more than the new car state, such as, replace the new drum brake.

6. If the new car drum brake has a noise, you need to readjust the drum brake and motor cover. Motor shaft and frame fixed position or drum brake cover and frame positioning iron position.

It is obvious that the steering handle bends to one side When Riding

1. If the bike is new, check whether the front and rear wheel axles are in the same straight line.

2. Make sure that there are no overloading or accidental crashes due to long time loading. Falls lead to frame. Forks. Stem. Steering handle deformation.

3.Check if the front wheel profile is centered on the shock absorber. There is no obvious distortion.

4.Try to increase the diameter of the hole between the steering handle and the riser with a big electric drill to fine-tune the direction of the handlebar.

When starting or turning, you can feel the car body shaking

1. Check whether the screw nut connecting the steering handle and the vertical rod is loose.

2. Check whether the positioning nut (very thin, two, commonly known as the fork nine-piece set) at the connection between the riser and the frame sleeve is loose, if so, tighten it appropriately.

3. According to the length of use, determine whether the nine-piece set of upper and lower ball wear.

4. Check whether the nuts at both ends of the front wheel positioning axis are loose.

The whole bike feels unexplained trembling When Riding

1. Check whether the front and rear tires are over pressurized.

2. Check whether the front and rear shock absorbers have good resilience.

3. Idle the front and rear wheels, carefully confirm whether there is obvious axial crosstalk (left and right swing), if any, replace the bearings.

4. Check whether the front and rear tires have obvious runout (left and right tread and hub asymmetry), if any, deflation and repositioning installation, because of the longtime deformation caused by deformed pressure has been deformed tires to be replaced.