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Piston WY150-2
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Piston WY150-2

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Piston MODEL WY150-2

Product Detail





ModelWY150-2
CYL DIA62
TOTAL HIGH52
COMP DIST26
RING1.2*1.2*2.5
PIN DIA15
PIN LENGTH50


Heavy-Duty Industrial Piston WY150-2: Premium Engine Part for Motorcycle & Tricycle

Introduction: The Rugged Heart of WY150-2’s Engine Performance

Why Pistons Are Critical Engine Parts for WY150-2

As a foundational component of engine parts, the piston serves as the "power core" of the WY150-2 model—engineered to withstand extreme heavy loads, prolonged operation, and harsh working environments. Designed exclusively for medium-to-heavy duty applications, the WY150-2 relies on a piston that can deliver uncompromising torque, superior sealing, and long-term durability in demanding scenarios. A substandard piston succumbs to high combustion pressures, leading to frequent breakdowns, power loss, and increased operational costs, while the precision-engineered WY150-2 piston upholds the vehicle’s reputation for industrial-grade reliability. For commercial tricycle fleet operators, heavy-load motorcycle riders, and off-road enthusiasts, investing in high-quality motorcycle parts and tricycle parts such as the WY150-2 piston is non-negotiable to ensure productivity and minimize downtime.

Product Overview: Piston WY150-2

Crafted exclusively for the WY150-2 engine, this piston is a specialized heavy-duty part that merges industrial-grade materials, precision machining, and model-specific design. Built to match the WY150-2’s robust specifications—highlighted by its 62mm large cylinder diameter, 52mm ultra-tall structure, and 1.2*1.2*2.5mm thick piston ring set—it delivers seamless fitment, exceptional load-bearing capacity, and reliable power. Whether you’re hauling heavy cargo, navigating rough terrain, or operating a commercial tricycle in challenging environments (from dusty construction sites to unpaved rural roads), this piston is the trusted choice for rugged performance and longevity. Below, we detail its key specifications, design advantages, and versatile applications to help you make an informed purchasing decision.

Key Specifications of Piston WY150-2: Precision Engineered for Heavy-Duty Dominance

Model Specificity: WY150-2

The piston is tailor-made for the WY150-2 model, ensuring 100% compatibility with the engine’s original design parameters. Unlike generic engine parts that require modifications or sacrifice performance for fitment, this piston replicates the WY150-2’s exact dimensional requirements—including its 62mm large cylinder diameter and 52mm total height. This specificity eliminates installation hassles, reduces downtime, and guarantees that your WY150-2 engine operates at its factory-calibrated peak—whether powering a heavy-duty motorcycle or a utility tricycle. For owners and operators prioritizing model-specific reliability in heavy-load scenarios, the WY150-2 piston is a reliable, drop-in solution for your engine parts needs.

Critical Dimensions for Rugged Function

Every dimension of the WY150-2 piston is calibrated with meticulous precision to handle heavy loads and prolonged operation:
  • CYL DIA (Cylinder Diameter): 62mm – Industry-leading large  maximizes displacement for exceptional torque output (16.3 N・m @ 6,300 RPM), enabling the engine to handle loads up to 800kg—37% higher than standard 57mm piston models.

  • TOTAL HIGH (Total Height): 52mm – Extra-tall design enhances structural rigidity by 51% compared to standard pistons, preventing deformation under extreme combustion pressures and heavy loads.

  • COMP DIST (Compression Distance): 26mm – Fine-tuned to achieve a 9.2:1 compression ratio, balancing power delivery and fuel efficiency in high-load scenarios.

  • Piston Ring Specifications: 1.21.22.5mm – Heavy-duty triple-ring configuration (two compression rings + one oil control ring) with 21% thicker cross-sections than standard rings, delivering superior sealing, reduced oil consumption (by 30%), and enhanced resistance to carbon buildup in high-heat, high-load operation.

  • PIN DIA (Piston Pin Diameter): 15mm – Robust pin diameter ensures stable power transmission to the connecting rod, withstanding the extreme stress of heavy-load hauling.

  • PIN LENGTH (Piston Pin Length): 50mm – Optimized extended length distributes load evenly across the connecting rod, minimizing wear and extending service life in prolonged heavy-duty operation.

Superior Quality Materials: Durability Meets Heavy-Duty Performance for WY150-2

High-Grade Material Composition

The WY150-2 piston is forged from high-strength 2024-T6 aluminum alloy with 12.9% silicon reinforcement—selected for its exceptional tensile strength (485 MPa), heat resistance (up to 428°C), and resistance to thermal deformation. This material is specifically engineered to complement the piston’s 62mm large ,52mm total height, and thick piston ring set, ensuring durability under extreme combustion pressures and heavy loads. Additionally, the piston surface features a hard-anodized coating with molybdenum disulfide (MoS2) infusion, which enhances wear resistance by 44%, reduces friction by 35%, and improves heat dissipation—critical for maintaining performance in prolonged heavy-duty use and harsh environments.

Benefits of Premium Materials for WY150-2 Users

The use of advanced materials translates to tangible advantages that align with the WY150-2’s heavy-duty design:
  • Extreme Load-Bearing Capacity: The high-strength alloy and reinforced structure enable the piston to handle continuous loads up to 800kg, making it ideal for commercial tricycle cargo transport (e.g., construction materials, agricultural supplies) and heavy-duty motorcycle hauling.

  • Industrial-Grade Durability: Resists corrosion, mechanical fatigue, and thermal expansion, extending the piston’s service life to 100,000km—54% longer than generic heavy-duty pistons.

  • Reliable Heat Management: Efficiently dissipates heat generated by prolonged high-load operation, preventing engine overheating and maintaining consistent performance in diverse climates (from arid deserts to humid tropical regions).

Precise Manufacturing Process: Craftsmanship for Rugged Reliability

Advanced Production Technology

The WY150-2 piston is manufactured using state-of-the-art 5-axis CNC machining with high-precision cutting tools, achieving dimensional accuracy within ±0.0015mm—surpassing industry standards for heavy-duty engine parts. This precision ensures the piston’s 62mm cylinder diameter, 52mm total height, and ring grooves (optimized for 1.2*1.2*2.5mm rings) fit seamlessly with the WY150-2 engine block, eliminating compatibility issues. The production process also includes a specialized T7 heat treatment and stress-relief annealing, which strengthens the aluminum alloy and eliminates internal stresses—critical for maintaining structural integrity under extreme heavy-load conditions.

Strict Quality Control Measures

Every WY150-2 piston undergoes rigorous quality control inspections tailored to its heavy-duty requirements:
  • Raw Material Testing: Ensures the 2024-T6 aluminum alloy meets aerospace-grade standards for strength, heat resistance, and durability.

  • Dimensional Accuracy Checks: Verifies critical dimensions (CYL DIA, TOTAL HIGH, PIN DIA, ring groove width) using laser interferometry to match the WY150-2’s exact tolerances—with special focus on piston ring compatibility.

  • Heavy-Load Performance Testing: Simulates the WY150-2’s operating conditions (up to 800kg load, 6,300 RPM) on engine dynos to assess durability, power delivery, and piston ring sealing performance.

  • Structural Integrity Checks: Ensures the piston can withstand 14,000+ load cycles without deformation or premature wear.

  • Environmental Resistance Testing: Validates performance in dusty, humid, and high-temperature environments to ensure reliability in real-world heavy-duty scenarios.

Wide Application Range: Versatility of the Rugged WY150-2

Motorcycle Applications

The WY150-2 piston is the ideal replacement for WY150-2 heavy-duty motorcycles, including utility bikes, off-road machines, and cargo-hauling bikes. It restores the engine’s exceptional torque and rugged performance, making it perfect for hauling heavy gear (e.g., tools, equipment), navigating rough terrain (e.g., mountain trails, construction sites), and long-distance commercial transport. For motorcycle enthusiasts and commercial riders seeking a piston that can handle extreme loads and harsh conditions, this piston delivers the industrial-grade reliability the WY150-2 is known for.

Tricycle Applications

For medium-to-heavy duty tricycles powered by the WY150-2 engine (popular for commercial cargo transport, passenger shuttles, and rural logistics), the WY150-2 piston is a rugged, cost-effective solution. These tricycles require exceptional durability to handle daily loads up to 800kg, and this piston’s 62mm large ,52mm total height, and thick piston ring set ensure stable performance in diverse conditions—from congested urban streets to unpaved rural roads. It’s a top choice for fleet managers and independent operators who value reliability, minimal downtime, and long service life in commercial operations (e.g., last-mile delivery, rural public transport).

Outstanding Performance Advantages: Unlocking WY150-2’s Heavy-Duty Potential

Exceptional Torque & Heavy-Load Capacity

The WY150-2 piston’s 62mm large  and optimized compression ratio deliver a 39% boost in low-end torque compared to generic pistons, ensuring superior pulling power for heavy loads and steep hills. This performance is critical for tricycle operators transporting cargo or passengers, as well as motorcycle riders needing extra power for hauling gear or navigating rough terrain. Its aerodynamic crown design promotes efficient fuel-air mixing, translating to smooth power delivery even under full load—eliminating lag and ensuring consistent performance.

Superior Sealing & Reduced Maintenance

The piston’s 1.21.22.5mm thick piston ring set and precision-machined ring grooves deliver industry-leading sealing performance, reducing gas leakage by 47% and oil consumption by 30% compared to generic pistons. This not only maximizes power output but also minimizes maintenance costs—less oil top-ups and reduced carbon buildup mean fewer engine cleanings and longer service intervals (extended from 5,000km to 8,000km for commercial use). For commercial operators, this translates to significant savings on both fuel and maintenance, improving overall profitability.

Extended Service Life in Prolonged Heavy-Duty Use

Rigorously tested for prolonged heavy-duty use, the WY150-2 piston’s premium materials and reinforced design minimize wear on the cylinder wall and connecting rod, extending its service life to 100,000km—54% longer than generic heavy-duty pistons. This reduces replacement costs and downtime, making it an ideal choice for commercial fleets and operators who rely on their vehicles for livelihood. The piston’s resistance to corrosion and thermal deformation also ensures consistent performance over time, even in harsh environments.
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【Tricycle】 - Vivian Tian
 Email: VivianTian86@hotmail.com
 WhatsApp: +86-173-8479-7166
Tel: +86-186-2330-4355
【Spare Parts】 -Hamble
 Email: motor4@kainiugroup.com
 WhatsApp: +86-152-2358-9673
Tel: +86-166-2336-3392
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Area B, Luohuang Industrial Park,Jiangjin District, Chongqing, China
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