- 产品特点
- 技术规格
● 高性能配气机构，大外径滚子降低机械损失，动力强劲。最高设计安全转速达到10000rpm。
● 轻量化活塞+背冷技术，二阶惯性力小，响应性、振动舒适性更优。降低活塞、缸体热负荷，使用寿命更长。
● 气缸偏移+离心缸套，减小活塞对气缸壁的侧压力，减小摩擦损失，降低油耗；缸套与基体结合更紧密，结合面积更大；高热稳定性，降低机油消耗，经济性好。
● 中置后悬挂，中置后悬挂利于整车布置，专业越野车基本均采用中置悬挂。
● 大容量离合器，提升舒适性；解决越野民用水冷性能提升瓶颈，预留升级空间（6片/7片；或滑动离合）。
● 气缸头中置油冷套设计，降低发动机热负荷，延长使用寿命；热稳定性好，有效抑制越野风冷热衰。
● 高滚流气道，四气门、异形燃烧室，充气效率高，混合更充分，高效燃烧，动力更强劲。
● DLC活塞环，一环、刮片环DLC处理，摩擦系数低，高耐磨及高耐腐蚀性，提升使用寿命。
● 加强主副轴，可靠性大幅优于竞品及我司的YBH/YBS系列；针对越野特性，重新匹配传动比；副轴螺母锁紧，解决越野车常见小飞松动问题。
● 新一代换档机构，最新平台换挡机构，换挡更省力、到位感与舒适性更好。
● High-performance valve train with large-diameter rollers significantly reduces mechanical losses, delivering strong power output. The engine's maximum safe design speed reaches 10,000 rpm.
● Lightweight pistons combined with back-cooling technology effectively reduce secondary inertia forces, improving responsiveness and vibration comfort. This design also lowers thermal loads on the piston and cylinder block, extending service life.
● Featuring cylinder offset and centrifugal cylinder sleeves, this design reduces lateral piston force against the cylinder wall, minimizing friction loss and fuel consumption. The sleeve bonds more tightly with the base structure, offering a larger contact area, high thermal stability, reduced oil consumption, and improved economy.
● Equipped with a mid-mounted rear suspension system, enabling optimized vehicle layout and enhanced space utilization—consistent with the mainstream configuration of professional off-road vehicles.
● A high-capacity clutch improves operational comfort, overcomes performance limitations of civilian water-cooling systems in off-road applications, and provides headroom for future upgrades (compatible with 6-plate, 7-plate, or slipper clutch configurations).
● The cylinder head integrates a center-mounted oil cooler sleeve, effectively reducing engine thermal load, enhancing thermal stability, prolonging service life, and significantly suppressing heat decay common in air-cooled systems under off-road conditions.
● Utilizes a high-tumble intake port design, four-valve layout, and asymmetric combustion chamber to increase charging efficiency, ensure more complete fuel-air mixing, enable highly efficient combustion, and deliver stronger power output.
● Piston rings feature DLC (Diamond-Like Carbon) coating, with both the top ring and oil scraper ring treated to reduce friction coefficient, offering superior wear resistance and corrosion resistance, thereby significantly extending service life.
● Reinforced main and countershaft assembly provides reliability far exceeding that of competing products and our own YBH/YBS series. Transmission ratios are re-optimized for off-road usage characteristics. A secured countershaft nut eliminates the common off-road vehicle issue of sprocket loosening.
● Adopts a new-generation shifting mechanism based on the latest platform, delivering lighter, more precise gear changes with enhanced engagement feel and overall shifting comfort.
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