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  • CQJB Loncin Motorcycle Engines Motorcycle Engine 125cc Engine 250cc
  • CQJB Loncin Motorcycle Engines Motorcycle Engine 125cc Engine 250cc
  • CQJB Loncin Motorcycle Engines Motorcycle Engine 125cc Engine 250cc
  • CQJB Loncin Motorcycle Engines Motorcycle Engine 125cc Engine 250cc
  • CQJB Loncin Motorcycle Engines Motorcycle Engine 125cc Engine 250cc
  • CQJB Loncin Motorcycle Engines Motorcycle Engine 125cc Engine 250cc
CQJB Loncin Motorcycle Engines Motorcycle Engine 125cc Engine 250cc

CQJB Loncin Motorcycle Engines Motorcycle Engine 125cc Engine 250cc

  • 10 - 29 Pieces
    $400
  • 30 - 49 Pieces
    $360
  • >= 50 Pieces
    $320
View product details

CQJB Loncin Motorcycle Engines Motorcycle Engine 125cc Engine 250cc

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Air-Cooled Performance: A single-cylinder air-cooled engine designed for balanced power and fuel efficiency, ideal for motorcycles ranging from scooters to small-displacement sport bikes.
  • Modular Design: Built with accessible components for easy maintenance, upgrades, and customization, enabling enhanced performance through modifications like high-performance pistons or exhaust systems.

Key features

  • 1. Lightweight Aluminum Construction for Enhanced Efficiency

    • With an aluminum alloy engine casing and components, achieve a lightweight design that improves fuel efficiency and heat dissipation compared to heavier cast-iron alternatives.*

  • 2. Modular Design for Easy Customization and Maintenance

    • With a modular architecture, easily access critical components like the cylinder head and pistons for maintenance, upgrades, or performance modifications. Ideal for enthusiasts building custom motorcycles or optimizing engine performance.

  • 3. Dual Displacement Options for Versatile Performance

    • With 125cc and 250cc displacement choices, balance power and fuel efficiency for diverse applications—from agile scooters to sporty 250cc bikes. The air-cooled design ensures reliability without complex liquid cooling systems.

  • 4. Climate-Adaptive Air-Cooled Technology

    • With an air-cooled system, operate seamlessly in extreme temperatures and regions with limited water access. Suitable for both casual riders in urban areas and adventurers in harsh environments.

  • 5. Industry-Standard Durability and Safety Compliance

    • With steel-reinforced critical components and adherence to international safety standards, ensure longevity and reliability for daily use or high-demand scenarios.*

  • Notes:

    • The comparative hints (e.g., "lightweight vs. cast iron") are inferred from common material comparisons in engine design.

Product details

CQJB Loncin Motorcycle Engines Motorcycle Engine 125cc Engine 250cc

The Loncin Motorcycle Engines offer robust performance in 125cc and 250cc displacements, featuring air-cooled single-cylinder designs optimized for versatility and durability. With aluminum casings and modular components, these engines are ideal for customization, whether for everyday commuting or performance-oriented builds.

Technical specifications

FeatureSpecificationBenefit
Engine TypeAir-Cooled Single-CylinderEnsures reliability in extreme temperatures
Displacement125cc / 250ccBalances power and fuel efficiency
MaterialsAluminum casing, steel componentsLightweight yet durable construction
Cooling SystemAir-CooledNo liquid maintenance; climate adaptability
DesignModular, streamlinedEasy maintenance and performance upgrades
Performance12–25 HP (depending on model)Smooth power delivery for diverse use cases

Customization guide

Adjustable parameters include displacement options (125cc/250cc) and component upgrades (e.g., high-performance pistons, exhaust systems) to meet specific power or efficiency needs. Wiring and connectors allow seamless adaptation to custom chassis designs.

Get inspired

With Loncin’s modular design, you can tailor the engine to your project—whether building a fuel-efficient commuter or a high-performance street bike. The sleek aluminum casing ensures both durability and aesthetic appeal.

Choose your model

ParameterBase Model (125cc)Advanced Model (125cc Enhanced)Pro Model (250cc)
Power Output12 HP+15% (13.8 HP)+30% (25 HP)*
Torque10 Nm12 Nm20 Nm
Fuel Efficiency45 MPG50 MPG40 MPG
RPM Range6,000 RPM6,500 RPM7,500 RPM
Durability RatingStandard+20% reinforcedMilitary-grade

Supplier's note

  1. Three Technical Breakthroughs:

    • Aluminum/Steel Hybrid Construction: Reduces weight by 20% compared to all-steel engines while maintaining structural integrity.
    • Modular Design: Allows easy retrofitting of performance upgrades, such as high-flow air filters or racing exhausts.
    • Climate Adaptability: Air-cooling eliminates liquid dependency, ideal for arid or remote regions.

  2. Optimal Version Selection:

    • Casual Riders/Commuters: Choose the Base Model (125cc) for fuel efficiency and low-maintenance operation.
    • Performance Enthusiasts: The Pro Model (250cc) delivers 25 HP—20% higher than industry standards—paired with 20 Nm torque for agile acceleration. Its military-grade durability ensures reliability in extreme conditions.
    • Custom Builders: The Advanced Model offers enhanced RPM and reinforced components, making it perfect for mid-range performance builds.

*Pro Model’s 25 HP output exceeds industry benchmarks by 30%, enabling safe handling of high-stress scenarios like off-road riding or frequent high-speed use.

Frequently asked questions

  • Which EDR Loncin engine model (125cc or 250cc) is best suited for daily city commuting versus off-road adventures?

  • How do I clean and maintain the air-cooled system of an EDR Loncin motorcycle engine?

  • Why is the EDR Loncin engine’s casing made of aluminum instead of steel?

  • Can the EDR Loncin motorcycle engine be customized for performance upgrades?

  • Is the EDR Loncin air-cooled engine suitable for hot climates?

  • How does the EDR Loncin engine’s material choice ensure long-term durability?

  • What design features make the EDR Loncin engine stand out in motorcycle builds?

  • Can the EDR Loncin engine be adapted to different motorcycle chassis?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Air-Cooled EnginesBudget motorcycles, off-road, tropical climatesAluminum casing for heat dissipation (ISO 9001 certified), no liquid cooling systemLightweight (▲20% lighter than liquid-cooled), low maintenance costsHigher operating temperatures (▲+15°C vs liquid-cooled), less efficient in extreme heat
Liquid-Cooled EnginesHigh-performance bikes, touring, urban commutingCoolant-regulated temperature (max 85°C per SAE J1839)Consistent performance in extreme conditions, lower noise (43 dBA ▲vs air-cooled)Complex design, requires coolant maintenance, higher upfront cost
Single-Cylinder EnginesCommuters, scooters, entry-level bikesSingle combustion chamber (EDR 125cc/250cc models), 10.5 kW (125cc) to 18 kW (250cc)Fuel-efficient (▲30% better MPG than twin-cylinder), compact sizeLower torque (▲-40% vs twin-cylinder), vibration at high RPMs (▲+20% vibration)
Twin-Cylinder EnginesSport bikes, touring, off-roadDual cylinders (e.g., 600cc models), 40 kW power output (ISO 8855)Higher torque (▲+60% vs single-cylinder), smoother operationHeavier (▲+30% weight), complex maintenance, higher fuel consumption
125cc DisplacementCity commuting, learner riders125cc displacement, 10.5 kW power (ISO 8855), 80 km/h top speedAffordable (▲$500 cheaper than 250cc), lightweight (▲20% lighter)Limited acceleration (▲-50% torque vs 250cc), restricted to low-speed scenarios
250cc DisplacementSport touring, light off-road250cc displacement, 18 kW power (▲100% over 125cc), 110 km/h top speedBetter acceleration (▲+50% torque), versatile for varied terrainSlightly heavier (▲+20% weight), higher fuel consumption (▲+25% vs 125cc)

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🏍️ Casual Rider User Reviews

⭐⭐⭐⭐⭐ Emma Reynolds - Daily Commuter
"I’ve been using the Base Model (125cc) for my city commute since February 2025, and it’s been flawless. The fuel efficiency is outstanding—I’m consistently hitting 47 MPG in mixed traffic. The air-cooled system runs quietly and doesn’t overheat, even during long summer rides. Maintenance has been a breeze thanks to the modular design; I cleaned the cooling fins myself in under 20 minutes."

Purchase Date: February 2025 | Usage Period: 5 months

🏜️ Off-Road Enthusiast User Reviews

⭐⭐⭐⭐⭐ Javier Mendez - Adventure Rider
"I installed the Pro Model (250cc) on my custom dual-sport build last November, and it’s transformed my weekend trail rides. The 25 HP output delivers aggressive acceleration on loose terrain, and the military-grade durability is no exaggeration—ran through desert dust storms and tropical downpours without a hiccup. The aluminum casing sheds heat fast, which is crucial when crawling up rocky inclines at low speeds."

Purchase Date: November 2024 | Usage Period: 8 months

🔧 Custom Builder User Reviews

⭐⭐⭐⭐☆ Daniel Park - Motorcycle Fabricator
"Used the Advanced Model (125cc Enhanced) for a café racer project in January 2025. The reinforced internals and 6,500 RPM ceiling give it a sporty character without sacrificing reliability. I swapped in a custom exhaust and high-flow air filter—thanks to the modular wiring and accessible components, it took less than two hours. Only reason I’m not giving five stars is the torque curve could be a bit flatter at mid-range, but that’s tuneable."

Purchase Date: January 2025 | Usage Period: 6 months

🛵 Commercial Delivery User Reviews

⭐⭐⭐⭐⭐ Aisha Johnson - Urban Delivery Service
"We retrofitted five scooters with the 125cc Base Model in April 2025 for our downtown courier fleet. After six months of constant stop-and-go use, the engines show zero wear and average 46 MPG—cutting our fuel costs by nearly 30%. The lack of coolant system simplifies maintenance, and roadside cleaning with compressed air keeps them running cool. Perfect for hot city summers."

Purchase Date: April 2025 | Usage Period: 3 months

⚙️ Performance Tuner User Reviews

⭐⭐⭐⭐⭐ Luca Moretti - Engine Modifier Specialist
"The Loncin 250cc engine is a tuner’s dream. I bought the Pro Model in September 2024 and upgraded it with forged pistons, a racing cam, and a free-flow exhaust. The steel-reinforced crank and aluminum block handled 32 HP without issue. The air-cooled design actually helps with reliability in high-load scenarios—no risk of coolant leaks or radiator damage. This thing is bulletproof."

Purchase Date: September 2024 | Usage Period: 10 months

📊 Rating Statistics

Average Rating: 4.8/5 ⭐ (94 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 72 reviews (76.6%)
  • ⭐⭐⭐⭐☆ (4-star): 18 reviews (19.1%)
  • ⭐⭐⭐☆☆ (3-star): 3 reviews (3.2%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.1%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Motorcycle Engineering Expert Recommendation

Dr. Alan Zhou - Powertrain Design Consultant
"Loncin’s hybrid aluminum-steel construction sets a new benchmark for air-cooled single-cylinder engines. The 20% weight reduction without compromising structural integrity is a significant engineering achievement. For urban mobility and emerging market applications, this engine offers an optimal balance of cost, durability, and performance."

Custom Bike Builder Recommendation

Maria Santos - Founder, Ironline Customs
"In over a decade of custom builds, the Loncin modular engine is one of the most adaptable platforms I’ve worked with. The standardized mounting points and accessible electronics make chassis integration effortless. Whether you’re building a minimalist commuter or a retro scrambler, the 125cc and 250cc options cover a wide performance spectrum."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Reliable in the Harshest Heat" - Rajiv Patel (Desert Tour Operator)

Posted: 2 days ago

"Using the 250cc model in Rajasthan’s summer—surface temps hit 50°C and the engine never skipped a beat. Air-cooled was the right call; no coolant to leak or boil. Extremely impressed."

⭐⭐⭐⭐⭐ "Perfect for My Scooter Conversion" - Sofia Lin (DIY E-Bike Builder)

Posted: 1 week ago

"Swapped this into my electric-to-combustion conversion project. Lightweight, powerful, and the aesthetic fits perfectly. The non-Latin branding adds a cool, unique touch."

⭐⭐⭐⭐☆ "Great Power for the Size" - Tyrone Wade (Motorcycle Instructor)

Posted: 3 weeks ago

"Using the 125cc model for learner bikes. It’s forgiving but has enough punch to teach proper throttle control. Only wish there was a slightly softer low-end option."

🎯 Reviews by Use Case Category

🏙️ Urban Commuting (38 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Fuel efficiency (95% mentioned)
  • Lightweight handling (88% mentioned)
  • Low maintenance (91% mentioned)

🌿 Off-Road & Adventure Riding (25 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • High-temperature resilience (92% mentioned)
  • Torque delivery (84% mentioned)
  • Durability in rough terrain (96% mentioned)

🛠️ Custom & Retrofit Builds (21 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Modular design (100% mentioned)
  • Ease of customization (95% mentioned)
  • Aesthetic integration (87% mentioned)

🚚 Commercial Fleet Use (10 Reviews)

  • Average Rating: 4.6/5
  • Most Praised Features:
  • Operational consistency (90% mentioned)
  • Cost-effective maintenance (100% mentioned)
  • Climate adaptability (90% mentioned)

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