Why Does the Motorcycle Make Abnormal Noises When Shifting Gears?

1 Answers
EmmanuelDella
07/29/25 5:20pm
Motorcycle shifting abnormal noises can be caused by improper operation, normal performance, clutch failure, sprocket wear, or chain looseness. Specific related introductions are as follows: Improper Operation: When starting the vehicle, the throttle must be closed to the minimum to avoid the occurrence of such noise. If the throttle is increased before shifting, most vehicles will produce this abnormal noise. Normal Performance: This is mainly directly related to the design and manufacturing process of the vehicle. If the manufacturing precision does not meet the standard, the clutch will not separate completely. At this time, shifting into first gear will produce a noticeable noise, accompanied by the phenomenon of the vehicle jerking forward. Clutch Failure: As the vehicle's service life increases, the clutch may experience poor separation, leading to this noise. It is very similar to the second scenario but can be reduced or completely eliminated through maintenance. Sprocket Wear: If the sprocket is excessively worn, this phenomenon can also occur, especially when the front sprocket is worn. Most motorcycles will produce this abnormal noise, mainly due to slippage between the sprocket and the chain. Chain Looseness: This phenomenon occurs only in a very few models. It is mainly caused by the chain jumping when shifting gears due to chain looseness, producing the noise.
Was this review help?
18
1
Share
More Forum Discussions

What does the auto parts-to-vehicle price ratio mean?

The auto parts-to-vehicle price ratio refers to the total price of all individual parts of a complete vehicle, and the ratio of this price to the vehicle's selling price, multiplied by 100%, resulting in a percentage coefficient. The function of the auto parts-to-vehicle price ratio: Its purpose is to safeguard consumers' right to know and protect their legitimate rights and interests by making repair prices more transparent, providing a relatively scientific reference value for pricing in both the insurance and repair industries. Appropriate parts-to-vehicle price ratio coefficient: For ordinary family cars, a parts-to-vehicle price ratio coefficient between 200% and 400% is considered appropriate. Models such as the Honda Accord, Nissan Teana, Toyota Camry, and Volkswagen Passat all fall within this range.
4
0
Share

What is the displacement of the CFMOTO 250SR in cc?

The displacement of the CFMOTO 250SR is 249cc. In terms of body dimensions: The CFMOTO 250SR has a length, width, and height of 2010mm, 750mm, and 1080mm respectively, with a wheelbase of 1360mm and a seat height of 780mm. Regarding power: The CFMOTO 250SR is equipped with a single-cylinder, liquid-cooled, four-stroke engine. This engine delivers a maximum power of 19.5kW and a maximum torque of 22Nm. The maximum power is achieved at 9000 rpm, while the maximum torque is available at 7500 rpm. The working principle of this engine is essentially the same as that of a car engine.
5
1
Share

What is SMA car?

SMA refers to Shanghai Maple Automobile, a subsidiary of Geely Holding Group specializing in the production of high-end family sedans. The company focuses on manufacturing mid-to-high-end household cars. The symbolism of the maple leaf in Shanghai Maple's logo: Shanghai Maple's emblem resembles a maple leaf, carrying profound meaning. The central upward-pointing maple leaf signifies that the company's roots are in Shanghai Fengjing, from where it expands nationwide and globally. The meaning of the main leaf in Shanghai Maple's logo: The tallest central leaf represents Shanghai Maple's customer-first philosophy, while the two side leaves embody the company's core values of prioritizing quality and service. The significance of the blue border in Shanghai Maple's logo: It symbolizes the company's ocean-like inclusiveness, embracing talents and advanced technologies from home and abroad to develop and glorify Shanghai Maple.
19
2
Share

Do New Energy Vehicles Consume Electricity Faster in Traffic Jams?

New energy vehicles do consume electricity faster in traffic jams. Avoid overcharging: Generally, floating charge after the indicator light jumps is sufficient—4 hours in winter and 2 hours in summer. Maintain appropriate battery temperature: The operating temperature of the battery should ideally be kept between 0°C and 40°C. Temperatures outside this range can adversely affect the battery cells, especially prolonged high temperatures, which can cause significant damage. Use a compatible charger: Choose a high-quality charger with pulse function that matches the battery. Avoid using mismatched or low-quality chargers. Regularly check tire pressure: Maintain normal tire pressure levels, as both overinflation and underinflation can affect the vehicle's range. Avoid sudden acceleration: While driving, refrain from sudden acceleration. Rapid acceleration can lead to the formation of sulfate crystals, damaging the battery plates, reducing vehicle performance, and shortening battery life.
5
4
Share

What to Do If Your Car Is Rear-Ended?

The driver should stop immediately and secure the scene. If necessary, call the police promptly. Specific steps to take when rear-ended: In the event of a rear-end collision on the road, the driver must stop immediately and secure the scene. If there are no personal injuries, the parties involved may negotiate compensation matters on their own. If personal injuries occur, the injured must be rescued immediately, and the incident should be promptly reported to the traffic police on duty or the traffic management department of the public security authority. After the accident, the hazard warning lights should remain on, and warning signs should be set up in the direction of oncoming traffic to increase the warning distance. If necessary, call the police promptly. Common liability determinations for rear-end collisions: If a rear vehicle collides with a moving front vehicle, causing a rear-end accident, the rear vehicle bears full responsibility. If the front vehicle lacks taillights at night, leading to a rear-end collision, the front vehicle bears secondary liability, while the rear vehicle bears primary liability. If the front vehicle stops on the road without activating hazard warning lights or setting up warning signs as required, resulting in a rear-end collision, the front vehicle bears secondary liability, and the rear vehicle bears primary liability.
8
3
Share

What is the function of a car radiator?

Car radiators serve as both a cooling system and a heat exchanger. Cooling System: The cooling system of a car radiator dissipates excess and useless heat from the engine, ensuring that the engine operates at normal temperatures under various speeds or driving conditions. Heat Exchanger: The car radiator acts as a heat exchanger for water-cooled engines, maintaining the engine's normal working temperature through air convection cooling. Once the engine coolant in the radiator boils and vaporizes due to high temperatures, causing the pressure to exceed the set value, the radiator cap releases the excess pressure, preventing a reduction in coolant and avoiding burst pipes in the cooling system.
13
5
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.