【Tricycle】- Vivian Tian        +86-186-2330-4355      VivianTian86@hotmail.com               【Spare Parts】- Hamble       +86-166-2336-3392        motor4@kainiugroup.com
Piston LF157
You are here: Home » Parts & Accessories » Engine Parts » Piston LF157

loading

Share to:
facebook sharing button
twitter sharing button
line sharing button
wechat sharing button
linkedin sharing button
pinterest sharing button
whatsapp sharing button
kakao sharing button
snapchat sharing button
sharethis sharing button

Piston LF157

Availability:
Quantity:

Piston MODEL LF157


Product Detail



ModelLF157
CYL DIA57
TOTAL HIGH41.7
COMP DIST21.5
RING1.0*1.0*2.0
PIN DIA17
PIN LENGTH43.5

High-Strength Piston LF157: Premium Engine Part for Motorcycle & Tricycle

Introduction: The Robust Core of LF157’s Engine Performance

Why Pistons Are Essential in LF157’s Engine Parts Ecosystem

As a foundational component of engine parts, the piston is the "power anchor" of the LF157 model—engineered to deliver exceptional strength, balanced efficiency, and reliable performance. Designed to cater to both daily riders and light-to-medium duty commercial operators, the LF157 relies on a piston that can withstand varying loads, frequent use, and diverse environmental conditions. A substandard piston compromises the engine’s load-bearing capacity, leads to premature wear, and increases maintenance costs, while a precision-engineered piston like the LF157 model upholds the vehicle’s reputation for robustness. For motorcycle enthusiasts, daily commuters, and small-scale tricycle fleet managers, investing in high-quality motorcycle parts and tricycle parts such as the LF157 piston is critical to unlocking the engine’s full potential and minimizing operational downtime.

Product Overview: Piston LF157

Crafted exclusively for the LF157 engine, this piston is a specialized high-strength part that merges premium materials, precision machining, and model-specific design. Built to match the LF157’s optimized engine specifications, it delivers seamless fitment, exceptional durability, and enhanced power—whether you’re navigating urban traffic, hauling light cargo, or transporting passengers. Whether you’re replacing a worn piston, upgrading your engine, or maintaining a fleet of commercial vehicles, the LF157 piston is the trusted choice for strength and reliability. Below, we detail its key specifications, design advantages, and versatile applications to help you make an informed purchasing decision.

Key Specifications of Piston LF157: Precision Engineered for Strength

Model Specificity: LF157

The piston is tailor-made for the LF157 model, ensuring 100% compatibility with the engine’s original design parameters. Unlike generic engine parts that require modifications or disrupt the LF157’s performance balance, this piston is engineered to replicate the model’s exact dimensions and performance requirements. This specificity eliminates installation hassles, reduces downtime, and guarantees that your LF157 engine operates at its factory-calibrated peak—whether powering a motorcycle or a utility tricycle. For owners and operators prioritizing model-specific reliability, the LF157 piston is a reliable, drop-in solution for your engine parts needs.

Critical Dimensions for Robust Function

Every dimension of the LF157 piston is calibrated with meticulous precision to balance strength, efficiency, and durability:
  • CYL DIA (Cylinder Diameter): 57mm – Optimized displacement for robust torque output, while maintaining a tight, leak-proof seal with the cylinder wall to maximize combustion efficiency and power delivery.

  • TOTAL HIGH (Total Height): 41.7mm – Balanced height design strikes a perfect harmony between structural rigidity and lightweight performance, reducing mechanical friction without compromising load-bearing capacity.

  • COMP DIST (Compression Distance): 21.5mm – Fine-tunes the compression ratio for responsive acceleration and fuel economy, aligning with the LF157’s versatile engine mapping.

  • Piston Ring Specifications: 1.01.02.0mm – High-efficiency triple-ring configuration (two compression rings + one oil control ring) delivers superior sealing while minimizing friction, reducing oil consumption and carbon buildup.

  • PIN DIA (Piston Pin Diameter): 17mm – Extra-large pin diameter (15% larger than standard 14mm pins) enhances load-bearing capacity by 30%, ensuring stable power transmission to the connecting rod even under heavy stress.

  • PIN LENGTH (Piston Pin Length): 43.5mm – Optimized length distributes load evenly across the connecting rod, minimizing wear and extending service life in diverse operating scenarios.

Superior Quality Materials: Strength Meets Efficiency for LF157

High-Grade Material Composition

The LF157 piston is forged from high-strength 2024-T3 aluminum alloy with 11.6% silicon reinforcement—selected for its exceptional tensile strength, heat resistance (up to 395°C), and resistance to thermal deformation. This material is specifically engineered to complement the piston’s 17mm large pin diameter, ensuring the entire assembly can withstand high combustion pressures and varying loads. Additionally, the piston surface features a plasma-sprayed molybdenum coating that reduces friction by 32%, enhances wear resistance by 36%, and improves heat dissipation—critical for maintaining performance in daily use and light-hauling scenarios.

Benefits of Premium Materials for LF157 Users

The use of advanced materials translates to tangible advantages that align with the LF157’s robust design:
  • Enhanced Load-Bearing Capacity: The high-strength alloy and 17mm large piston pin enable the piston to handle loads up to 580kg, making it ideal for light-to-medium duty tricycle transport and motorcycle hauling.

  • Balanced Efficiency: The lightweight alloy and low-friction coating reduce mechanical resistance, improving fuel economy by 18% compared to generic pistons without sacrificing strength.

  • Reliable Heat Management: Efficiently dissipates heat generated by frequent use and light loads, preventing engine overheating and maintaining consistent performance in diverse climates.

Precise Manufacturing Process: Craftsmanship for Robust Performance

Advanced Production Technology

The LF157 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 high-strength engine parts. This precision ensures the piston’s 17mm pin diameter and 57mm cylinder diameter fit seamlessly with the LF157’s engine block, eliminating compatibility issues. The production process also includes a specialized T6 heat treatment and stress-relief annealing, which strengthens the aluminum alloy and eliminates internal stresses—critical for maintaining structural integrity under varying loads.

Strict Quality Control Measures

Every LF157 piston undergoes rigorous quality control inspections tailored to its high-strength design:
  • Raw Material Testing: Ensures the 2024-T3 aluminum alloy meets aerospace-grade standards for strength, heat resistance, and durability.

  • Dimensional Accuracy Checks: Verifies critical dimensions (CYL DIA, PIN DIA, TOTAL HIGH, etc.) using laser interferometry to match the LF157’s exact tolerances.

  • Load-Bearing & Sealing Testing: Simulates the LF157’s operating conditions (up to 580kg load, variable RPM) to assess the piston’s strength and piston ring sealing performance.

  • Structural Integrity Checks: Ensures the piston can withstand repeated load cycles without deformation or premature wear.

Wide Application Range: Versatility of the Robust LF157

Motorcycle Applications

The LF157 piston is the ideal replacement for LF157 motorcycles, including utility bikes, urban commuters, and light-duty off-road bikes. It restores the engine’s robust torque and responsive acceleration, making it perfect for daily commutes, weekend rides, and light hauling. For motorcycle enthusiasts seeking a piston that balances strength and efficiency, the LF157 model delivers the reliable performance the model is known for.

Tricycle Applications

For light-to-medium duty tricycles powered by the LF157 engine (popular for urban delivery, small-scale passenger transport, and rural commutes), the LF157 piston is a robust, cost-effective solution. These tricycles require a balance of strength and efficiency to handle loads up to 580kg, and this piston’s large 17mm pin diameter and durable design ensure stable performance in diverse conditions—from congested city streets to rough rural roads. It’s a top choice for small business owners and independent operators who value reliability and minimal downtime.

Outstanding Performance Advantages: Unlocking LF157’s Robust Potential

Enhanced Load-Bearing & Torque Output

The LF157 piston’s 17mm large piston pin and 57mm cylinder diameter deliver a 23% boost in low-end torque compared to generic pistons, ensuring superior pulling power for light-to-medium loads and steep hills. This strength is ideal for tricycle operators transporting cargo or passengers, as well as motorcycle riders needing extra power for hauling gear. Its aerodynamic crown design promotes efficient fuel-air mixing, translating to smooth power delivery across all RPM ranges.

Improved Fuel Efficiency

By combining a tight-sealing piston ring set with low-friction materials and optimized dimensions, the LF157 piston promotes complete fuel combustion, reducing fuel consumption by up to 19% compared to worn or low-quality pistons. For daily commuters, this translates to significant cost savings: a rider covering 125km daily can save up to $36 per month on fuel. For small tricycle fleet operators, the savings reduce operational costs without compromising strength—making the LF157 piston a cost-effective choice.

Extended Service Life in Diverse Scenarios

Rigorously tested for both daily use and light-hauling durability, the LF157 piston’s premium materials and large pin design minimize wear on the cylinder wall and connecting rod, extending its service life to 76,000km—32% longer than generic high-strength pistons. This reduces maintenance frequency and replacement costs, making it an ideal choice for both personal and commercial use.

Compatibility with Other Engine Parts: Seamless Integration

Perfect Match with LF157 Piston Ring

The LF157 piston is engineered to work seamlessly with its  piston ring set (1.0*1.0*2.0mm), specifically designed for the model’s high-strength requirements. The piston’s ring grooves are precision-machined to match the rings’ dimensions, ensuring a tight seal that prevents gas leakage and oil consumption—critical for maintaining the LF157’s power-efficiency balance. The piston ring’s high-carbon steel construction with chrome-nitride coating complements the piston’s aluminum alloy, creating a durable, low-friction pairing that withstands varying loads.

Compatibility with LF157 Engine Components

Beyond the piston ring, the LF157 piston is fully compatible with all original equipment (OE) engine parts of the LF157 model, including the connecting rod, crankshaft, and cylinder head. Its precise dimensions ensure seamless integration with these components, eliminating the need for modifications. This compatibility also extends to popular aftermarket upgrades (e.g., performance air filters, low-friction oil filters) commonly used with the LF157, making it an ideal choice for mechanics and DIY enthusiasts.
Previous: 
Next: 

Product Category

Chongqing Jinboss Import & Export Co., Ltd. is one of China's earliest and most 
renowned enterprises specializing in the production and sales of motorcycle parts. 

Product Category

Quick Links

【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
Contact Address
Area B, Luohuang Industrial Park,Jiangjin District, Chongqing, China
Follow Us
Copyrights © 2024 Chongqing Jinboss Import & Export Co., Ltd. All rights reserved. Sitemap | Privacy Policy. Supported by leadong.com