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What Causes Motorcycle Jerking?

1 Answers
Haven
07/29/25 7:36pm
Motorcycle jerking can be referred to as "misfiring." "Jerking" occurs when the combustible gas fails to ignite, increasing resistance during the compression stroke and decreasing resistance during the exhaust stroke, resulting in uneven speed. The specific reasons are analyzed as follows: The adjacent gear teeth in the transmission are not fully disengaged, causing mutual interference. During diagnosis, start with the jerking symptoms while driving. For example, if the motorcycle runs normally in one gear but jerks after shifting to another, it indicates poor transmission assembly quality or deformation of certain parts, preventing the sliding gear from moving into place. In this case, the motorcycle must be stopped and repaired immediately to avoid damaging the gears or engine. If jerking occurs in all gears, check whether the spark plug fires continuously and strongly. If the spark plug misfires or has a weak spark, follow the fault diagnosis method for the ignition system to identify and resolve the issue. If the spark plug is normal, check whether the fuel line is clogged, whether water has mixed into the fuel, or whether the contact gap of the circuit breaker is too large.
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More Forum Discussions

How to Steer When Reversing for Beginners?

Introduction to steering when reversing for beginners: When the steering wheel is turned to the left, the car will rotate with the left rear wheel as the center. At this time, the center point does not move, only the right side moves, causing the rear of the car to turn to the left. When the steering wheel is turned to the right, the car will rotate with the right rear wheel as the center. At this time, the center point does not move, only the left side moves, causing the rear of the car to turn to the right. Below are some related tips for reversing a car: 1. When reversing, master the operation method of "slow driving, fast steering". The reversing speed should be controlled within 5km/h. During reversing, if limited by terrain or the steering angle of the steering wheel, and you need to repeatedly move forward or backward, you should quickly use the vehicle's movement to turn the steering wheel at the moment before stopping after each backward or forward movement, preparing for the next forward or backward movement. Do not forcefully turn the steering wheel after the vehicle has stopped. 2. Do not develop the habit of turning the steering wheel while the car is stationary, as this can more easily damage the vehicle. If you need to move the car back and forth several times, pay attention to turning the wheel in the opposite direction before the car comes to a complete stop at the end of each movement, turning it as much as possible.
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What is the actual fuel consumption of the Toyota Corolla 1.6?

The Toyota Corolla 1.6L has 2 models, including the 2017 facelift 1.6L manual GL and the 2017 facelift 1.6L S-CVT GL, both equipped with a 122-horsepower engine, with an NEDC fuel consumption of 6.3L per 100 km. The fuel tank capacity of different Toyota Corolla 1.6L models varies, and the distance that can be covered with a full tank of fuel is as follows: For models equipped with a 122-horsepower engine, the fuel tank capacity is 55L, and the distance that can be covered with a full tank of fuel is 55/6.3*100=873KM. The fuel consumption of a car is directly related to five major factors: driving habits, the car itself, road conditions, natural wind, and ambient temperature. Specific factors that can increase a car's fuel consumption are as follows: Driving habits: Aggressive driving, such as rapid acceleration, frequent overtaking, and not easing off the throttle before a red light, will increase fuel consumption. The car itself: Cars with larger displacements generally consume more fuel than those with smaller displacements because larger displacements usually mean greater power, requiring more gasoline to burn and perform work. Heavier cars will also have higher fuel consumption because greater weight requires more driving torque. Road conditions: Driving on dirt roads, muddy roads, soft surfaces, or mountainous roads increases resistance and fuel consumption. Natural wind: Driving against the wind or on windy days increases the car's resistance and fuel consumption. Low ambient temperature: When the engine block is cold, the injected gasoline is less likely to vaporize during a cold start, requiring more gasoline to burn, which increases fuel consumption. Additionally, at low temperatures, the engine's computer will control the engine to run at higher RPMs to warm up, which also increases fuel consumption.
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What is the fuel consumption of the 2013 Cruze?

The 2013 Cruze has 15 models. Among them, the 1.8L-SX-WTCC Edition-AT, SX-AT, SE-WTCC Edition-AT, and SE-AT, equipped with a 147-horsepower engine, have an NEDC fuel consumption of 7.8L per 100km. The Hatchback-1.6T-Automatic Flagship model, equipped with a 184-horsepower engine, has an NEDC fuel consumption of 8.2L per 100km. The 1.6L-SE-WTCC Edition-AT, SE-AT, Automatic Luxury Edition, and SL Tiandi Edition-AT, equipped with a 121-horsepower engine, have an NEDC fuel consumption of 7.6L per 100km. The remaining 6 models, all equipped with a 121-horsepower engine, have an NEDC fuel consumption of 6.9L per 100km. The fuel tank capacity of different 2013 Cruze models is the same. The distance that can be covered with a full tank of fuel is as follows: Models equipped with a 147-horsepower engine and an NEDC fuel consumption of 7.8L per 100km have a fuel tank capacity of 60L, and can cover a distance of 60/7.8*100=769km with a full tank. Models equipped with a 184-horsepower engine and an NEDC fuel consumption of 8.2L per 100km have a fuel tank capacity of 60L, and can cover a distance of 60/8.2*100=732km with a full tank. Models equipped with a 121-horsepower engine and an NEDC fuel consumption of 7.6L or 6.9L per 100km have a fuel tank capacity of 60L, and can cover distances of 60/7.6*100=789km or 60/6.9*100=870km with a full tank. The fuel consumption of a car is directly related to five major factors: driving habits, the car itself, road conditions, natural wind, and environmental temperature. Specific factors that can increase fuel consumption are as follows: Driving habits: Aggressive driving can increase fuel consumption. The car itself: Cars with larger engine displacements generally consume more fuel than those with smaller displacements because larger displacements usually mean higher power, requiring more gasoline for combustion. Heavier cars also consume more fuel because greater weight requires more driving torque. Road conditions: Driving on dirt roads, muddy roads, soft surfaces, or mountainous roads increases resistance and fuel consumption. Natural wind: Driving against the wind or on windy days increases resistance and fuel consumption. Low environmental temperatures: When the engine block is cold, the injected gasoline is less likely to vaporize, requiring more gasoline for combustion, thus increasing fuel consumption. Additionally, in cold temperatures, the engine control unit may increase the idle speed to warm up the engine, which also increases fuel consumption.
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Will a Damaged Window Outer Seal Cause Water Leakage?

A damaged window outer seal will not cause water leakage. Reasons for no water leakage: As long as the glass sealant is not damaged or aged, the vehicle will not experience water leakage. Methods for maintaining glass seals: Avoid directly spraying the seal with a high-pressure water gun when washing the car; prevent the vehicle from being exposed to intense sunlight in summer, and try to park in a garage.
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What maintenance items are required at 20,000 kilometers?

Since driving 20,000 kilometers is neither a major maintenance interval nor a particularly high mileage, the general maintenance items typically include replacing the three filters (air filter, fuel filter, and oil filter) along with the cabin air filter. Below is relevant information about automotive maintenance: 1. Nature of maintenance: Automotive maintenance refers to the preventive work of regularly inspecting, cleaning, replenishing, lubricating, adjusting, or replacing certain components of the vehicle. 2. Purpose of maintenance: To maintain a clean appearance, ensure normal technical conditions, eliminate potential hazards, prevent malfunctions, slow down the deterioration process, and extend the service life.
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What does the OBD malfunction indicator light mean?

Automobile dashboard indicator OBD stands for the engine exhaust system malfunction indicator light. Here is relevant information: 1. There are many reasons that may cause the OBD light to illuminate, mainly related to vehicle emission faults. Generally, the illumination of the OBD light rarely prevents the car from starting, meaning the vehicle can still be driven. 2. This highlights the importance of the OBD light. If ignored, it could lead to pollutant emissions hundreds of times higher than normal vehicles. Therefore, when a fault causing excessive exhaust emissions occurs, the OBD light will illuminate to promptly alert the owner to repair the fault as soon as possible.
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