Why won't the motorcycle start after refueling when it ran out of gas?

1 Answers
ClaraLynn
07/29/25 5:31pm
Motorcycle failing to start after refueling when it ran out of gas may be due to spark plug failure, and users can resolve this by replacing the spark plug. If the spark plug appears blackened and charred, it indicates that the spark plug has burned out, and a new one should be installed. If no blackening is observed, check if the spark plug is dry. If it is dry, it means no fuel is reaching it; if it is wet, then it is functioning normally. Relevant information about spark plugs is as follows: Introduction: The spark plug is a crucial component of the ignition system in a gasoline engine. It introduces high voltage into the combustion chamber and generates a spark across the electrode gap, igniting the combustible mixture in the cylinder. It primarily consists of a terminal nut, insulator, terminal post, center electrode, side electrode, and shell, with the side electrode welded to the shell. Working Principle: Under high voltage, the air between the center electrode and the side electrode of the spark plug rapidly ionizes, forming positively charged ions and negatively charged free electrons. When the voltage between the electrodes reaches a certain level, the number of ions and electrons in the gas increases like an avalanche, causing the air to lose its insulating properties.
Was this review help?
12
1
Share
More Forum Discussions

Is the Vehicle Front-Wheel Drive or Rear-Wheel Drive?

Most modern vehicles are front-wheel drive. The design of front-wheel drive is a milestone in automotive history. It changed the layout of cars, simplified the structural design, reduced manufacturing costs, and to some extent altered the performance of ordinary vehicles. Sports cars are typically all-wheel drive or rear-wheel drive. Below are the differences between front-wheel drive and rear-wheel drive: 1. Front-wheel drive pulls the vehicle, while rear-wheel drive pushes it. In terms of driving stability, front-wheel drive performs better. 2. Front-wheel drive centralizes the transmission system, eliminating the need for a driveshaft and rear-drive components, thereby reducing overall vehicle costs. 3. Rear-wheel drive vehicles are slightly more expensive but offer better handling flexibility and higher torque, though they tend to oversteer. The biggest advantage of front-wheel drive is the ability to provide more interior space.
3
5
Share

What Causes a Car Battery to Suddenly Die in Winter?

Here are the reasons why a car battery may suddenly die: 1. The car has been parked for an extended period, causing the battery to discharge. Even when the car is idle, the battery naturally discharges due to its inherent properties. Additionally, alarm systems consume more power when triggered. High-end cars equipped with intelligent remote anti-theft systems using GPS technology connected to the battery are more prone to complete battery depletion. 2. The battery has reached the end of its lifespan. Most private cars use maintenance-free batteries. Clean the battery's inspection window and observe the color inside: green indicates normal battery status; black means low voltage and insufficient charge, which can be resolved by charging; white indicates the battery has reached the end of its life, and the only solution is to replace it. 3. Engine damage. A loose or broken alternator belt prevents the alternator from functioning. The alternator contains a rectifier, where instantaneous high current can burn out the diodes. Worn-out carbon brushes and slip rings can cause poor contact, and short-circuited or open stator coils can also render the alternator inoperative. Broken charging circuit wires or loose connections can result in the battery discharging without charging. 4. Insufficient battery electrolyte. During use, the electrolyte naturally evaporates. The electrolyte level should be between the maximum and minimum marks. Insufficient electrolyte naturally leads to inadequate battery charge. 5. Blown fuse causing battery discharge. A blown alternator fuse prevents the battery from charging, indicated by the alternator warning light. The solution is to locate and replace the blown fuse with one of the appropriate current rating. 6. Corroded battery terminals. Poor contact due to corrosion can cause the battery to die. Remove the white crystalline deposits and apply conductive paste to the terminals to enhance conductivity and protect them.
18
3
Share

What are the reasons for the decrease in coolant level?

There are several reasons for the decrease in engine coolant level in a car: 1. Poorly designed cooling system; 2. Rapid consumption due to poor circulation; 3. Leakage, with visible traces of seepage; 4. Coolant entering the cylinder and being burned or entering the oil pan. Below is additional information about coolant: 1. The cooling system is an important device that helps dissipate heat from the car engine. However, due to the use of antifreeze, it is particularly important to strengthen the inspection and maintenance of the cooling system after driving for a certain period of time. 2. Have a professional mechanic conduct an inspection. When adding coolant, ensure the engine has cooled down before doing so. During the process, start the engine and appropriately press the accelerator to expel air from the system. Add the coolant slowly, and if necessary, follow the instructions in the manual to vent the cooling system.
7
2
Share

What is the difference between hybrid and fuel-powered vehicles?

Hybrid vehicles differ from fuel-powered vehicles in the following aspects: one is fuel efficiency, and the second is quietness and environmental friendliness. Here is the relevant information: 1. One is fuel efficiency, which is the main advantage of hybrid vehicles over fuel-powered vehicles. Especially when used for urban commuting, due to traffic congestion or speed limits, the speed is generally controlled at around 50 mph. For hybrid vehicles, it is basically possible to rely entirely on the electric motor for driving, eliminating fuel consumption and significantly reducing operating costs. 2. The second is quietness and environmental friendliness. Hybrid vehicles start with the intervention of the electric motor, so there is no vibration sensation like in fuel-powered vehicles. Moreover, during driving, if only the electric motor is operating, the overall noise inside and outside the vehicle is minimal. In situations of urban traffic congestion, the absence of the engine's jerky sound is very helpful in reducing driving fatigue.
7
4
Share

Why is the high pressure of car air conditioning so high?

The reasons for the high pressure in car air conditioning are as follows: 1. Incomplete evacuation during maintenance, leading to air mixing into the system and increasing the condensation pressure; 2. Use of inferior refrigerant, the condenser electronic fan cannot open normally or the wind speed is insufficient; 3. The condenser is blocked by foreign objects and cannot dissipate heat normally, or the expansion valve is slightly blocked. If both high and low pressure values are measured to be too high, the reasons are as follows: 1. There is air in the system, and the system should be completely evacuated and refilled with refrigerant. 2. The system is blocked, mostly due to expansion valve blockage or failure, and the solution is to replace the expansion valve. 3. Excessive refrigerant, the system should be completely evacuated and refilled with a quantitative amount of refrigerant. 4. The condenser does not cool properly, and the solution is to clean the dirt from the condenser and radiator grille, and replace them if necessary.
7
2
Share

What items should a new car be equipped with?

After purchasing a new car, you can add items such as a dash cam, parking sensors, fire extinguisher, odor-absorbing charcoal bags, and child safety seats, which are all quite necessary and useful. You can also install seat covers, paint sealant, or mud flaps according to your needs. If it's a training vehicle, please attach a "Student Driver" label. The following are precautions for driving a new car: 1. Avoid using the same speed and gear for extended periods; instead, use different gears appropriately to allow each gear to undergo proper break-in. 2. Avoid sudden braking, as it can strain the engine and affect the braking system's performance. Also, refrain from long-distance driving. 3. If time permits, warm up the engine before starting to ensure full lubrication. Wait until the engine idle sound stabilizes and the coolant temperature reaches normal levels before driving. 4. It's best not to overload the car initially; keep the load below 80% of the maximum capacity to reduce the engine's burden.
13
1
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.