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What are the reasons for a scooter frequently stalling when decelerating?

1 Answers
SebastianMarie
07/29/25 7:21pm
The reasons for stalling are as follows: 1. Fuel system: Generally, it's the fuel system, which may be clogged or have deposits, and cleaning is sufficient. 2. Short circuit: A certain point in the ignition circuit, possibly the kill switch or the ignition coil, may be damaged or burned out by current, leading to overheating after working for a while, causing a short circuit and resulting in poor spark plug ignition. 3. Lean air-fuel mixture: The carburetor's air-fuel mixture is too lean. Adjust the mixture slightly richer, noting that turning the adjustment screw outward enriches the mixture, while turning it inward leans it out—don't adjust in the wrong direction. Typically, screw it all the way in and then back out one and a half to two and a half turns. Do not adjust too much at once; a half to a quarter turn is advisable.
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What is the CVT transmission of the Honda Vezel?

Here is the relevant introduction about Honda's transmission: 1. Introduction to the Honda Vezel CVT transmission: The Honda Vezel 1.5L and 1.8L models are equipped with a 6-speed manual transmission and a CVT continuously variable transmission. The CVT simulates 7 gears, providing a feel similar to a manual-automatic transmission shift, offering a certain level of driving pleasure. The 1.5L model uses Honda's new 'Earth Dreams Technology' engine, which will be launched next year. 2. Engine parameters: The parameters of the two engines are similar. The 1.5L engine features direct fuel injection, while the 1.8L engine uses multi-point fuel injection. Overall, Honda's two powertrains are very suitable for family use, with smooth and linear performance. Although they lack explosive power, the actual acceleration is still quite good.
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How to Determine if the Fuel Injector is Faulty?

Methods to determine if the fuel injector is faulty: 1. Black smoke from the exhaust pipe; 2. Uneven operation of each cylinder; 3. Obvious engine vibration; 4. Decrease in engine power; 5. Weak vehicle performance; 6. Unstable idle speed; 7. Increased fuel consumption, weak acceleration, difficulty starting, and excessive vehicle emissions. When the fuel injector is faulty, issues such as injector blockage, failure to open, or inability to atomize fuel can generally cause unstable engine operation or even prevent the engine from running. If the injector has faults like dripping, it can also lead to excessive fuel consumption or even black smoke from the exhaust. Short circuits or open circuits in the fuel injector control circuit also occur from time to time, resulting in the injector failing to spray fuel or continuously spraying fuel, causing the engine to fail to start, operate unstably, or emit heavy black smoke from the exhaust.
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How to use the sunroof of Brilliance BMW X3?

Brilliance BMW X3 sunroof usage method: The sunroof switch button of the BMW X3 is located at the front of the panoramic sunroof. Simply press to open it. The sunroof has a width of 760mm, a length of 1030mm, and an openable length of 330mm. The car sunroof is installed on the roof, effectively promoting air circulation inside the vehicle and increasing the intake of fresh air. Additionally, the car sunroof can provide a broader view and meet the needs of mobile photography and videography. The BMW X3 is positioned as an SUV model, with body dimensions of 4648mm in length, 1881mm in width, and 1661mm in height, and a wheelbase of 2810mm. In terms of exterior design, the BMW X3 combines the distinctive proportions of a sports utility vehicle with classic and innovative design elements, presenting a fresh and youthful appearance while emphasizing the design characteristics of the BMW brand, appearing robust and powerful.
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What Are the Reasons for Frequent Pump Nozzle Tripping During Refueling?

The reasons for frequent pump nozzle tripping during refueling are: 1. High air pressure inside the fuel tank causing the nozzle to trip; 2. Fast refueling speed leading to nozzle tripping; 3. Issues with the car's fuel tank design causing the nozzle to trip; 4. Clogged charcoal canister resulting in nozzle tripping. The solutions for frequent pump nozzle tripping during refueling are: 1. Refuel at a steady speed; 2. Regularly maintain and clean the charcoal canister; 3. Clear the vent valve pipeline. Nozzle tripping refers to the automatic stopping action of the fuel pump nozzle when the car is nearly full at the gas station. The pump nozzle is equipped with a sensor at its port. Once the sensor comes into contact with the fuel surface, the pump nozzle will automatically close, and this action is what forms the nozzle tripping.
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What to Do When the Windshield Fogs Up?

To deal with a foggy windshield, you can turn on the car's heating system and direct the warm air towards the glass to reduce the temperature difference between the inside and outside surfaces, thereby preventing condensation and fogging. Many vehicles are equipped with a defogging function—simply lower the air conditioning temperature and activate the defogging feature. Alternatively, you can use a defogging spray by applying it to the windshield to effectively reduce fogging. Fogging occurs due to the temperature difference between the inside and outside of the car, so adjusting the air conditioning to minimize this difference can help remove the fog. Manual air conditioning systems do not have a one-touch defogging feature and require manual adjustment to complete the defogging process. After defogging, adjust the temperature appropriately; avoid setting it too low immediately to prevent fogging from recurring. Once the windshield temperature matches the interior temperature, fogging will no longer occur.
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How to Check the Timing of the Qashqai Camshaft?

The method to check the timing of the Qashqai camshaft: The timing marks of the Qashqai camshaft are located on the camshaft gear and the chain. The function of the camshaft in a car is to control the opening and closing of the valves. The camshaft is usually forged from high-quality carbon steel or alloy steel, or cast from alloy cast iron or ductile iron. The journal and cam working surfaces are polished after heat treatment. The Qashqai is a model under Dongfeng Nissan, with a body length, width, and height of 4315mm, 1783mm, and 1606mm respectively, and a wheelbase of 2630mm. In terms of appearance, the Qashqai combines various excellent features of high-end hatchback cars with design styles of SUVs and HBs, presenting an overall fashionable and avant-garde shape, with smooth body lines that blend the elegance of sedans and the boldness of off-road vehicles.
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