Four-valve intake boosts high-speed intake/exhaust efficiency, improves mixture formation, reduces CO/HC. With overhead camshafts, it increases air intake, raises compression ratio for more power.
S38-PCX
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Indicator S38-1(PCX180CC) Engine Type Single - cylinder, four - stroke, water - cooled, overhead camshaft Bore/Stroke 63 mm/57.907 mm Cylinder Displacement 180.42 ml Compression Ratio 11:1 Maximum Power and Corresponding Speed 12 kW/7800 r/min Maximum Torque and Corresponding Speed 14.7 N·m/5700 r/min Minimum Specific Fuel Consumption 345 g/kW·h Minimum No - load Stable Speed 1800 r/min ± 100 r/min Ignition System/Starting System ECU - controlled ignition/Hall - driven Fuel Supply System Electronic Fuel Injection System Lubricating Oil Filter Model and Type Full - flow filter mesh Cooling System Water - cooled Specifications or Requirements Antirust and antifreeze fluid (Unified inorganic coolant - 45℃) Overall Dimensions (Length×Width×Height) 720 mm×450 mm×400 mm Net Weight 35 kg Our advantages
（1）High-standard integral cylinder head offers greater rigidity and precision, while effectively reducing abnormal noise.
（2）Adopts a needle roller double rocker arm structure design.
Valves made of fully imported materials offer better heat resistance. The cylinder head features a swirl intake port, increasing intake efficiency by over 10%.
S38 has a larger crankcase than the traditional 150 water-cooled model, fitting a bigger transmission. The upgraded crankcase, with more scientific appearance and structure, greatly boosts power quietness and stability.
Adopts double-sided toothed belt, with more stable transmission efficiency and better heat dissipation.
S38 has larger primary/secondary drive pulleys than the traditional 150 water-cooled model, with scientifically optimized transmission ratio. It ensures steadier power during shifting, cuts high-speed engine noise, boosts power climbing experience, and enhances engine performance.
Installation dimensions
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