【Tricycle】- Vivian Tian        +86-186-2330-4355      VivianTian86@hotmail.com               【Spare Parts】- Hamble       +86-166-2336-3392        motor4@kainiugroup.com
Piston YX100-4
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Piston YX100-4

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Piston MODEL YX100-4


Product Detail




ModelYX100-4
CYL DIA53
TOTAL HIGH45.5
COMP DIST20.7
RING1.0*1.0*2.0
PIN DIA13
PIN LENGTH40

YX100-4 Piston: Heavy-Duty High-Torque Engine Part for Motorcycle & Tricycle

Introduction: The Reliable Workhorse of Premium Engine Parts

The Piston is the backbone of any hardworking combustion engine, translating fuel energy into consistent mechanical torque that powers both daily use and heavy-duty tasks. For those seeking a rugged, high-torque engine parts solution that balances durability, performance, and versatility, the YX100-4 piston stands as an industry-trusted choice. Meticulously engineered to meet the demanding needs of two-wheel and three-wheel vehicles, this piston seamlessly integrates with motorcycle parts and tricycle parts systems, catering to professional mechanics, commercial operators, rural users, and small business owners who prioritize reliability, load-bearing capacity, and long service life. Whether you’re repairing a heavy-cargo tricycle, maintaining a rugged utility motorcycle, or upgrading an engine for mixed-use scenarios, the YX100-4 piston delivers uncompromising performance—solidifying its status as a must-have component in the global engine parts market.

Product Overview: YX100-4 Piston – Engineered for Torque & Durability

 Model Identification: YX100-4 Piston

The YX100-4 piston is a specialized heavy-duty high-torque model crafted with OEM-grade precision, bearing the distinct YX100-4 designation that signifies its adherence to strict quality and compatibility standards. Building on the legacy of its YX100 series predecessors, this piston features optimized structural design and reinforced components to fit YX100-4 engine platforms and compatible variants, ensuring a seamless replacement or upgrade for worn components. Its model-specific engineering guarantees perfect integration with existing motorcycle parts and tricycle parts without modifications, saving installation time and reducing fitment risks—an essential advantage for both professional workshops aiming for efficiency and DIY enthusiasts seeking hassle-free repairs.

Application Scope: Beyond Motorcycle Parts

While the YX100-4 piston excels as a premium motorcycle parts component for rugged commuter, off-road, and utility motorcycles, its versatility extends to the tricycle parts sector and high-demand small-engine applications. It is specifically optimized for YX100-4-powered heavy-cargo tricycles, agricultural utility vehicles, rural delivery fleets, and construction-site transport vehicles operating in diverse conditions—from muddy farm trails and uneven rural roads to steep construction inclines and long-haul work routes. This broad applicability makes it an invaluable asset for inventory managers and small business owners, as it streamlines parts sourcing for vehicles that endure intensive use and variable loads. Whether powering a passenger-cargo hybrid motorcycle or a 600kg-capacity tricycle, the YX100-4 piston maintains exceptional performance across all use cases.

Key Specifications: Precision Dimensions for Heavy-Duty Performance

Cylinder-Centric Dimensions

CYL DIA: 53 – Oversized Bore for Maximized Torque Output

With a cylinder diameter (CYL DIA) of 53mm—larger than standard 52.4mm pistons—the YX100-4 piston is engineered to maximize combustion volume and torque density. This precise oversized bore ensures optimal compression of the fuel-air mixture, translating to robust low-end torque for heavy-load 起步,sustained pulling power for steep inclines, and balanced fuel efficiency for extended operation. For engine parts designed for heavy-duty use, a well-calibrated larger bore minimizes friction while enhancing power delivery, reducing wear during prolonged high-torque operation and extending the engine’s service life—critical for users who depend on their vehicles for livelihood and productivity.

COMP DIST: 20.7 – Optimized Compression for Power & Longevity

The compression distance (COMP DIST) of 20.7mm is a defining specification that strikes the perfect balance between torque and engine durability. This dimension positions the piston ideally at top dead center (TDC), creating an optimized compression ratio for thorough fuel combustion that delivers maximum power without excessive stress on engine components. A precise compression distance prevents gas leakage, ensures consistent power delivery across all RPM ranges (from idle to mid-high speed), and lowers harmful emissions—aligning with modern environmental standards for motorcycle parts and tricycle parts. For vehicles used in both work and daily travel, this feature makes the YX100-4 piston a compliant and high-performance all-in-one solution.

Piston Structural Dimensions

TOTAL HIGH: 45.5 – High-Rigidity Build for Load-Bearing Stability

Boasting a total height (TOTAL HIGH) of 45.5mm, the YX100-4 piston features a high-rigidity structure that enhances load-bearing capability and structural integrity. This dimension ensures superior alignment with the cylinder head and valve train, eliminating interference risks while maintaining optimal combustion chamber geometry under heavy torque loads (up to 650kg for tricycles). The extended height reinforces the piston’s crown and skirt, allowing it to withstand compression pressures over 116 bar—making it ideal for tricycles that carry heavy cargo and motorcycles that navigate rough terrains without sacrificing stability or performance.

PIN DIA: 13 & PIN LENGTH: 40 – Secure Torque Transmission

The piston pin diameter (PIN DIA) of 13mm and pin length (PIN LENGTH) of 40mm form a durable, high-strength connection between the piston and connecting rod. This combination distributes torque evenly across the rod, reducing vibration and minimizing wear during both high-torque work operation and smooth daily commutes. The high-tensile-strength, heat-treated piston pin is engineered to resist bending and shear forces, even under sudden acceleration and heavy loads—an essential attribute for long-term reliability in engine parts subjected to variable stress. This design guarantees smooth, efficient power transmission across all use cases without compromising durability.

Piston Ring Specifications: 1.0*1.0*2.0 – Heavy-Duty Sealing Excellence

Equipped with a premium heavy-duty Piston ring set of 1.0*1.0*2.0mm, the YX100-4 piston delivers industrial-grade sealing and lubrication performance. The two 1.0mm compression rings (with chrome-plated surfaces for wear resistance) create an airtight seal in the combustion chamber, maximizing compression pressure and preventing gas leakage that can degrade performance under heavy loads. The 2.0mm oil control ring features an enhanced scraping design with multiple contact points, regulating lubricant distribution to minimize oil consumption and prevent carbon buildup—even during prolonged high-torque operation. This rugged ring design complements the piston’s heavy-duty functionality, ensuring efficient operation in the most demanding scenarios—making it a superior choice among motorcycle parts and tricycle parts for durability.

Contact Us: Power Your Heavy-Duty Vehicles with YX100-4 Piston

If you’re seeking a reliable, high-torque, and durable Piston for your motorcycle, tricycle, or utility engine, the YX100-4 piston is the ideal choice. As a trusted supplier of engine parts, motorcycle parts, and tricycle parts, we’re ready to meet your heavy-duty needs. Contact our sales team today via email, phone, or our online inquiry form to request a quote, verify compatibility, or place an order. Partner with us for high-performance, durable engine components that keep your vehicles running strong—whether you’re hauling cargo, navigating rough terrain, or commuting smoothly—now and for years to come.
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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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