这里是标题一h1占位文字

(1) The engine is the key to determining the quality of the motorbike. When choosing one, first observe whether the engine and frame are on the same centre line, then step on the starter lever in neutral. If no sound can be heard, it means the engine cylinder can be used. Turn on the power, open the fuel tank switch, start in place to check the engine starting and gearing, good engine stepping on the starter lever 2-3 times to be able to start, and in the idle situation does not stall, no noise, while the acceleration is very sensitive. Subsequently, the gearing check, respectively, from low-speed gears to high-speed gears step by step, gearing smoothly, gears no collision sound when shifting, exhaust pipe nuts no air leakage, even if the quality is good. Finally, observe what colour the smoke from the muffler is, with a light green colour being the best.

(2) The appearance of the car. Require a reasonable layout, new and beautiful, smooth and bright. The front and rear shock absorbers should be parallel and symmetrical with the front and rear tyres, while various accessories and parts are required. In addition, the quality of the paint plating parts is not only a major factor in determining the beauty of the appearance, but also plays a role in protecting the parts to reduce wear and tear. The exterior of the painted parts must be evenly painted, bright and free of bumps and blocks.

(3) The steering mechanism. The steering mechanism includes many aspects, mainly the steering handle, clutch grip, throttle cable, front and rear brakes and other components should be checked. The front and rear shock absorbers are required to have the same elasticity on both sides, the steering handle is flexible and reliable, the clutch grip and throttle cable are free to rotate, and the front and rear brakes are safe and reliable (the return position must also be returned to the original position.

(4) Electrical equipment. Check the headlights, directional lights, brake lights, instrument lights and the sound of the horn one by one, if there is no abnormality, it means the electrical equipment is normal. In addition, you can take the car back and forth a few times, feeling very light for the top car, and vice versa is a place where spare parts meet friction to produce resistance. You should also observe the front and rear shock absorbers and the engine to see if there are any oil leaks and whether the ride is comfortable.