How to check the car condition on CB400
As Honda's classic street car model, CB400 has always been favored by motorcycle enthusiasts. Whether you are a novice or a veteran, when buying a second-hand CB400, it is crucial to check the condition of the car. This article will combine the hot topics and hot content on the Internet in the past 10 days to give you a detailed introduction on how to comprehensively check the condition of the CB400 and help you avoid pitfalls.
1. Appearance inspection

The appearance is the first impression to judge the condition of the vehicle. Through careful observation, you can get a preliminary understanding of the vehicle's usage and maintenance status.
| Check items | Check content | abnormal behavior |
|---|---|---|
| Body paint | Are there any scratches, peeling paint, or traces of touch-up paint? | The touch-up paint is uneven and the color difference is obvious |
| Frame | Is there any deformation or welding marks? | The frame is deformed and the welding points are rough |
| exhaust pipe | Is there any rust or damage? | Severe corrosion and abnormal exhaust sound |
| tires | Whether the degree of wear and tire pressure is normal | Tread tread is too shallow, tire pressure is insufficient |
2. Engine inspection
The engine is the core component of a motorcycle, and its condition is directly related to the performance and service life of the vehicle.
| Check items | Check content | abnormal behavior |
|---|---|---|
| Startup performance | Is the cold car starting smooth? | Difficulty starting, abnormal noise |
| Idle stability | Is the idle speed stable? | Unstable idling and stalling |
| Oil condition | Oil color and oil quantity | The engine oil is black and the oil level is insufficient. |
| exhaust color | Exhaust gas color | Black or blue smoke |
3. Transmission system inspection
The transmission system is responsible for transmitting the engine's power to the rear wheels, and its state directly affects the driving experience of the vehicle.
| Check items | Check content | abnormal behavior |
|---|---|---|
| clutch | Is the clutch slipping? | Clutch slipping, difficulty shifting gears |
| chain | Chain tightness and wear | The chain is too loose and severely worn |
| transmission | Is the gear shifting smooth? | Stuttering and abnormal noise when shifting gears |
4. Electrical system inspection
The electrical system is an important guarantee for the normal operation of a motorcycle, including lights, instruments, batteries and other components.
| Check items | Check content | abnormal behavior |
|---|---|---|
| lighting system | Are the headlights, turn signals, and brake lights normal? | Light does not light up or flickers |
| Dashboard | Is the instrument display normal? | The meter does not light up and displays errors. |
| battery | Is the battery voltage normal? | Insufficient voltage and abnormal charging |
5. Test drive experience
Test driving is the final step to check the condition of the vehicle. Through actual driving, you can fully understand the vehicle's performance and handling.
| Check items | Check content | abnormal behavior |
|---|---|---|
| Accelerate performance | Is the throttle response sensitive? | Weakness in acceleration, frustration |
| brake system | Are the brakes sensitive and linear? | Soft brakes and long braking distance |
| suspension system | Is it stable when cornering? | Suspension is too soft or too hard |
6. Summary
Through a comprehensive inspection of the above aspects, the condition of the CB400 can be judged more accurately. When purchasing a second-hand CB400, it is recommended to find an experienced friend or professional to accompany you for inspection to avoid purchasing a problematic vehicle due to negligence. At the same time, you should also pay attention to check whether the maintenance records and procedures of the vehicle are complete to ensure that the source of the vehicle is legal.
I hope this article can help everyone better understand how to check the condition of CB400 and buy the car of your choice!
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