Spring breeze 250sr gear description?

Spring breeze 250sr gear description? Normal economic driving depends on the speed, and 20-30-40-50-60 corresponds to 2-3-4-5-6. The following is the related introduction: 1, power: the top speed of this motorcycle can reach 150 km/h, and this motorcycle adopts a water-cooled EFI single-cylinder four-stroke engine with a displacement of 249cc. The maximum power of this engine is 19.5kw and the maximum torque is 22 Nm. This engine can output maximum power at 9000 rpm and maximum torque at 7500 rpm. The compression ratio of this engine is 1 1.3 to 1. 2. Four-stroke engine: There are four strokes when working, namely intake stroke, compression stroke, power stroke and exhaust stroke. When the engine is in the intake stroke, the intake valve of the engine will open, and at this time, the piston will run down and suck in the combustible mixture. @20 19