1. Check the shock absorber failure first to see if the shock absorber is leaking oil. Look directly at the shock absorber housing or dust cover without rain or car wash. You can see it at a glance. It's intuitive.
2. Another thing is to listen to, when driving at a low speed, when the wheels pass through the bumps of the road surface or there is a slight vibration, there is a squeaking sound. The abnormal noise of the shock absorber is different from that of other chassis, which is very dull. On the steering wheel of the front shock absorber, there is still a significant sense of shock. Find an experienced driver who can accurately determine which is the suspension.mono shock absorber motorcycle
3. There is also pressing the upper part of the suspension of each wheel by hand, such as pressing the front and rear fenders. The faulty shock absorber is pressed hard. This is a symptom of oil leakage from the shock absorber to the later stage. This can only be judged by an experienced service technician. If the shock absorber fails, it can only be replaced, there is no way to repair