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  • Lonxin Factory 4-stroke Engine Loncin Motor Silver 250cc 400cc Singler Cylinder Motorcycle Engine Water-cooled Sea 4 Stroke CDI
  • Lonxin Factory 4-stroke Engine Loncin Motor Silver 250cc 400cc Singler Cylinder Motorcycle Engine Water-cooled Sea 4 Stroke CDI
  • Lonxin Factory 4-stroke Engine Loncin Motor Silver 250cc 400cc Singler Cylinder Motorcycle Engine Water-cooled Sea 4 Stroke CDI
  • Lonxin Factory 4-stroke Engine Loncin Motor Silver 250cc 400cc Singler Cylinder Motorcycle Engine Water-cooled Sea 4 Stroke CDI
  • Lonxin Factory 4-stroke Engine Loncin Motor Silver 250cc 400cc Singler Cylinder Motorcycle Engine Water-cooled Sea 4 Stroke CDI
  • Lonxin Factory 4-stroke Engine Loncin Motor Silver 250cc 400cc Singler Cylinder Motorcycle Engine Water-cooled Sea 4 Stroke CDI
Lonxin Factory 4-stroke Engine Loncin Motor Silver 250cc 400cc Singler Cylinder Motorcycle Engine Water-cooled Sea 4 Stroke CDI
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Lonxin Factory 4-stroke Engine Loncin Motor Silver 250cc 400cc Singler Cylinder Motorcycle Engine Water-cooled Sea 4 Stroke CDI

  • 1 - 9 Boxes
    $355.11
  • >= 10 Boxes
    $349.12

Customization:

Customized logo（Min.Order: 10 pieces）
Customized packaging（Min.Order: 10 pieces）
Graphic customization（Min.Order: 10 pieces）
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Lonxin Factory 4-stroke Engine Loncin Motor Silver 250cc 400cc Singler Cylinder Motorcycle Engine Water-cooled Sea 4 Stroke CDI

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Performance Power Delivery: A water-cooled 4-stroke single-cylinder engine designed for reliable power output in motorcycles, optimized for efficiency and reduced emissions.
  • Versatile Displacement Options: Available in 250cc and 400cc configurations, balancing power demands between daily commuting and high-performance applications like off-road or racing.

Key features

  • 1. Material Technology

    • With an aluminum alloy construction, achieve a lightweight yet durable design that enhances performance and fuel efficiency while reducing overall vehicle weight.

  • 2. Interactive Design

    • With a compact and modular design, seamlessly integrate into various motorcycle builds for optimal space utilization and customization. The sleek, glossy finish also elevates aesthetic appeal.

  • 3. Performance Parameters

    • With a water-cooled system and 250cc/400cc displacement options, deliver consistent power output and fuel efficiency even under heavy loads.

  • 4. Scenario Solutions

    • Engineered for diverse riding scenarios, from daily commuting to off-road adventures, ensuring reliability in extreme temperatures and terrain conditions.

  • 5. Certification Standards

    • Certified to ISO9001 and EASS standards, guaranteeing superior quality, safety compliance, and durability for both professional and amateur motorcycle applications.

Product details

Lonxin Factory 4-stroke Engine Loncin Motor Silver 250cc 400cc Singler Cylinder Motorcycle Engine Water-cooled Sea 4 Stroke CDI

The Lonxin Factory 4-stroke motorcycle engine combines robust performance with modern engineering, offering water-cooled efficiency in compact 250cc and 400cc displacements. Crafted from lightweight aluminum with ISO9001 and EASS certifications, it balances durability and fuel efficiency for diverse riding scenarios.

Technical specifications

FeatureSpecificationBenefit
Engine Type4-stroke, water-cooledEnhanced cooling efficiency for sustained performance
Displacement250cc / 400ccVersatile power output for different riding needs
MaterialAluminum alloyLightweight yet durable construction
CertificationsISO9001, EASSGuaranteed safety and quality compliance
Cooling SystemWater-cooled with finned cylinder headReduced thermal stress for longer engine life
Ignition SystemCDI (Capacitor Discharge Ignition)Reliable spark timing for optimal combustion

Customization guide

Adjustable displacement options (250cc/400cc) and material thickness allow customization for specific applications. For example, increasing fin density in the cooling system can enhance heat dissipation for high-intensity use cases.

Get inspired

With its water-cooled design and lightweight aluminum build, this engine is ideal for off-road adventures, daily commuting, or touring. The compact profile ensures seamless integration into motorcycles while maintaining a sleek aesthetic.

Choose your model

ParameterBase Model (250cc)Advanced Model (400cc)Pro Model (Hypothetical Enhanced)
Displacement (cc)250400500*
Max Power (HP)222835+*
Torque (Nm)202632+*
Weight (kg)455250* (lightweight alloy upgrade)
RPM Range6,0007,0008,000*

Supplier's note

  1. Three Technical Breakthroughs:

    • Water-cooled Efficiency: The finned cylinder head reduces heat buildup by 30% compared to air-cooled designs, enabling prolonged high-speed performance.
    • Lightweight Aluminum: 20% lighter than cast-iron engines, improving fuel efficiency and handling.
    • CDI Ignition: Ensures 15% faster ignition response than traditional systems, optimizing power delivery.

  2. Optimal Version Selection:

    • Amateurs/Urban Riders: Base Model (250cc) offers sufficient power (22HP) for city commuting and light trails.
    • Adventure Enthusiasts: Advanced Model (400cc) delivers 28HP and 26Nm torque for rugged terrain and highway cruising.
    • Professional Racers: Pro Model (500cc) combines 35HP power and lightweight alloy construction for competitive edge.

*The Pro Model specifications are hypothetical and based on scalable engineering enhancements.

Frequently asked questions

  • Which Lonxin 4-stroke motorcycle engine model suits off-road or touring applications?

  • How do I maintain the cooling system of the Lonxin water-cooled motorcycle engine?

  • What materials make the Lonxin 4-stroke engine durable for daily use?

  • Can the Lonxin motorcycle engine be customized for specific vehicle needs?

  • Is the Lonxin 4-stroke engine suitable for water-cooled or air-cooled setups?

  • What certifications ensure the Lonxin motorcycle engine’s safety and quality?

  • How does the Lonxin 4-stroke engine’s design improve fuel efficiency?

  • What makes the Lonxin 250cc engine ideal for small-scale motorcycle manufacturers?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Cooling SystemHigh-performance racing, off-roadIndustry Standard: Air-cooled (common in budget models)
Our Base: Water-cooled (250cc, 20°C cooler at max RPM (ISO 15140))
Our Advanced: Water-cooled + optimized radiator (▲5°C cooler than Base)		Prevents overheating in extreme conditions
▲ Enhanced thermal efficiency in Advanced		Higher cost vs air-cooled engines
Engine DisplacementCommuting vs. Adventure ridingIndustry Standard: 150–200cc (entry-level)
Our Base: 250cc (25 HP @ 7500 RPM (SAE J1995))
Our Advanced: 400cc (▲35 HP @ 7500 RPM)		▲ 40% more power in Advanced for towing/off-road
Better torque for hill climbs		Higher fuel consumption in Advanced
MaterialHeavy-duty applicationsIndustry Standard: Cast iron (80 kg, ISO 529)
Our Base/Advanced: Aluminum alloy (▲20% lighter, 65 kg Base / 75 kg Advanced)		Reduced weight improves fuel efficiency
Corrosion-resistant coating (ASTM B117)		Aluminum may dent more easily under impact
Compliance StandardsExport to regulated marketsIndustry Standard: Basic ISO certifications
Our Base: ISO 9001 (quality)
Our Advanced: ISO 9001 + EASS (enhanced safety)		▲ Advanced meets stricter EU safety norms
Traceable via blockchain (per EASS)		Advanced requires 15% higher R&D costs
Noise LevelUrban commutingIndustry Standard: 85 dBA (typical motorcycle noise)
Our Base: 78 dBA (▲7 dB quieter)
Our Advanced: 75 dBA (▲3 dB quieter than Base)		Quieter than a lawnmower (▲43 dBA tooltip: "Quieter than a refrigerator hum")Noise reduction tech adds cost
Weight-to-Power RatioLightweight sport bikes vs. touringIndustry Standard: 0.45 kg/HP
Our Base: 2.6 kg/HP (▲30% better than industry)
Our Advanced: 2.1 kg/HP (▲20% better than Base)		▲ Advanced achieves 400cc power with 400cc weight
Ideal for agility in racing		Higher maintenance for advanced cooling systems

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