● 采用优化气道:提高低速性能，更有力

● 提升排量:整体性能提升，动力强劲

● 优化凸轮型线:提升与市场附件的匹配性

● 优化磁电机点火提前角:提升与市场附件的匹配性

● 参照市场通用零件进行设计:维修可直接更换市场零件

● 采用优化摇臂:发动机声音更醇厚

● 采用最新平台换挡机构:换挡更省力、到位感与舒适性更好

● 优化曲轴动平衡:振动更小、骑乘舒适性好

● 采用加强型主副轴:提升齿轮疲劳强度、延长使用寿命

● 采用活塞背冷技术:强制润滑和冷却活塞及活塞环，降低发动机热负荷

● 采用DLC活塞环:活塞环更耐磨，减小机油消耗量

● 采用加曲轴强连杆:可靠性更好

● 整机外观全新设计:外观新颖，大气，力量感十足

● Optimized airway :improved low speed performance, more powerful.

● Increase displacement :overall performance improvement, strong power.

● Optimized CAM profile :improved match with market accessories.

● Optimized the magneto ignition advance angle:improve compatibility with market accessories.

● Design with reference to common market parts :repair can be directly replaced by market parts.

● Optimized rocker arm :the engine sound is more mellow.

● Adopting the latest platform shifting mechanism :shifting is more effortless, and the feeling and comfort are better.

● Optimized crankshaft dynamic balance :less vibration, better riding comfort.

● Enhanced main and counter shaft :to improve gear fatigue strength and extend service life.

● Using piston back cooling technology, forced lubrication and cooling piston and piston ring, reduce engine heat load.

● DLC piston ring :more wear resistant piston ring, reduce oil consumption.

● Strong connecting rod with crankshaft :better reliability.

● New design of the engine appearance :novel appearance, atmosphere, full sense of strength.

外特性曲线 WIDE OPEN THROTTLE CURVES（玄剑200水冷）  

外特性曲线 WIDE OPEN THROTTLE CURVES（玄剑250水冷）  

外特性曲线 WIDE OPEN THROTTLE CURVES（玄剑300水冷）  

悬挂图 INSTALLATION DIMENSIONS