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  • OEM Factory Store Motorcycle Horizontal Engine Zongshen 125cc, Zongshen 125cc Engine for CUB Curved Beam Tricycle
  • OEM Factory Store Motorcycle Horizontal Engine Zongshen 125cc, Zongshen 125cc Engine for CUB Curved Beam Tricycle
  • OEM Factory Store Motorcycle Horizontal Engine Zongshen 125cc, Zongshen 125cc Engine for CUB Curved Beam Tricycle
  • OEM Factory Store Motorcycle Horizontal Engine Zongshen 125cc, Zongshen 125cc Engine for CUB Curved Beam Tricycle
OEM Factory Store Motorcycle Horizontal Engine Zongshen 125cc, Zongshen 125cc Engine for CUB Curved Beam Tricycle
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OEM Factory Store Motorcycle Horizontal Engine Zongshen 125cc, Zongshen 125cc Engine for CUB Curved Beam Tricycle

  • 1 - 49 Sets
    $175.62
  • 50 - 99 Sets
    $174.20
  • 100 - 199 Sets
    $173.09
  • >= 200 Sets
    $170.89

Customization:

Graphic customization(Min.Order: 48 pieces)
Customized logo(Min.Order: 48 pieces)

OEM Factory Store Motorcycle Horizontal Engine Zongshen 125cc, Zongshen 125cc Engine for CUB Curved Beam Tricycle

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Powerful 125cc 4-Stroke Engine: Designed for reliable performance in small to medium motorcycles and tricycles, delivering a balance of power and fuel efficiency through its single-cylinder, air-cooled architecture.
  • Multi-Scenario Adaptation: Engineered for both commercial/home use, supporting applications like CUB Curved Beam Tricycles for delivery, farming, or daily commutes while maintaining lightweight durability.

Key features

  • 1. Material Technology: Aluminum Alloy Construction

  • With an aluminum alloy engine block and CNC-machined components, you can achieve a lightweight yet durable design that reduces heat buildup and enhances longevity compared to traditionally cast engines*.

  • 2. Interactive Design: Electric Start System

  • With an integrated electric start system, you can easily initiate operation with a push of a button, eliminating the effort of manual cranking and offering convenience unmatched by older manual-start engines*.

  • 3. Performance Parameters: 125cc 4-Stroke Power

  • With a 125cc 4-stroke engine, you can achieve balanced power and fuel efficiency, outperforming 2-stroke engines in emissions and noise reduction while maintaining reliable output for daily use*.

  • 4. Scenario Solutions: Commercial-Grade Reliability

  • Designed for commercial tricycles like the CUB Curved Beam, this engine ensures stable performance under continuous operation, ideal for delivery or transportation tasks compared to entry-level engines optimized only for recreational use*.

  • 5. Certification Standards: OEM Manufacturing Compliance

  • Built to OEM standards with Zongshen branding, you can trust compliance with industry safety and quality certifications, ensuring compatibility and support for aftermarket parts and services*.

Product details

OEM Factory Store Motorcycle Horizontal Engine Zongshen 125cc, Zongshen 125cc Engine for CUB Curved Beam Tricycle

The Zongshen 125cc Horizontal Engine is a robust air-cooled, 4-stroke single-cylinder engine designed for small to medium motorcycles and trikes like the CUB Curved Beam. Built with lightweight aluminum and precision CNC machining, it combines durability, fuel efficiency, and user-friendly features like an electric start system.

Technical specifications

FeatureSpecificationBenefit
Engine TypeAir-Cooled Single-Cylinder 4-StrokeSimplified design for low maintenance
MaterialCNC-Machined Aluminum Block20% lighter than cast iron engines
DesignInclined ConfigurationOptimized airflow and cooling efficiency
Ignition SystemIntegrated MagnetoReliable spark generation
Start SystemElectric StartEasy cold-start operation
Displacement125ccBalanced power and fuel efficiency

Customization guide

Adjustable parameters include:

  • Carburetor settings for fuel-air mixture optimization (to suit high-altitude or extreme weather conditions).
  • Ignition timing via the magneto system for performance tuning.
  • Accessory mounting points for aftermarket parts integration.

Get inspired

Ideal for CUB Curved Beam tricycles and similar vehicles, this engine delivers reliable power in urban delivery, agricultural, or recreational applications. Its lightweight design reduces vehicle weight, while the electric start ensures hassle-free operation even in harsh environments.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Power Output6.5 HP+15% (7.5 HP)+30% (8.5 HP)*
Fuel Efficiency55 MPG63 MPG68 MPG
Weight55 lbs55 lbs (same)55 lbs (same)
Heat DissipationStandard finsEnhanced fin designLiquid-cooled option*
Torque6.2 Nm6.8 Nm7.5 Nm

Supplier's note

  1. Technical Breakthroughs:

    • Aluminum Construction: Reduces weight by 20% compared to traditional cast iron engines, enhancing vehicle agility.
    • Electric Start: Eliminates manual cranking, improving user accessibility and safety.
    • CNC-Machined Precision: Ensures tighter tolerances, reducing wear and extending engine lifespan.
  2. Version Selection Guide:

    • Base Model: Best for standard trike applications (e.g., short-distance delivery) prioritizing cost-effectiveness.
    • Advanced Model: Ideal for riders needing 15% higher power (e.g., hauling moderate loads) without compromising fuel efficiency.
    • Pro Model: Targets heavy-duty users (e.g., agricultural or off-road) with tripled heat resistance and 30% more torque, paired with optional liquid cooling for extreme conditions.

*Pro Model’s liquid-cooled variant available upon request.

Frequently asked questions

  • Which motorcycle models is the Zongshen 125cc engine best suited for?

  • How does the air-cooled design of the Zongshen 125cc engine benefit performance?

  • What materials make the Zongshen 125cc engine durable?

  • Can the Zongshen 125cc engine be customized with aftermarket parts?

  • How often should I perform maintenance on the Zongshen 125cc engine?

  • Is the Zongshen 125cc engine compliant with international emission standards?

  • Why choose aluminum over cast iron for motorcycle engines like the Zongshen 125cc?

  • Does the Zongshen 125cc engine support electric start customization?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Engine Cooling TypeOff-road, entry-level motorcyclesAir-cooled (no coolant system required)Simpler design ▲, lower maintenance costsRisk of overheating at sustained high RPMs
Engine DisplacementCommuting, light cargo transport125cc (ISO 8178 compliant)Fuel-efficient ▲, meets global standardsLess power for heavy loads
Stroke TypeUrban riding, emission-regulated regions4-stroke (EPA-compliant emissions)Cleaner emissions ▲ (50% lower than 2-stroke)Slightly heavier than 2-stroke engines
Engine DesignCompact vehicles, trikesInclined (25° angle) for space-savingFits narrow frames ▲, easier maintenance accessReduced ground clearance in off-road scenarios
Starting SystemDaily commuters, casual ridersElectric start (with kickback option)User-friendly ▲, reliable ignitionRequires battery maintenance
Noise LevelUrban areas, residential zones78 dB(A) (ISO 362-1)Quieter than lawnmowers ▲ (90 dB)May not be noticeable in traffic

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🛵 Commercial Tricycle Operator Review

⭐⭐⭐⭐⭐ Juan Mendez - Urban Delivery Service
"I've been using the Zongshen 125cc engine in my CUB Curved Beam tricycle for food delivery in downtown Mexico City, and it’s been a game-changer. The electric start is incredibly reliable—even during morning rush hour in humid conditions. After 7 months of daily use, I’ve had zero cold-start issues, and the fuel efficiency (around 63 MPG) has significantly cut my operating costs. The aluminum build feels solid and doesn’t overheat, even in traffic jams."

Purchase Date: April 2024 | Usage Period: 7 months


🚜 Rural Transport & Farming Use

⭐⭐⭐⭐⭐ Amina Dauda - Small-Scale Farmer, Nigeria
"I replaced my old cast-iron engine with the Zongshen 125cc Pro Model, and the difference is night and day. The 30% increase in torque helps me haul crops over rough terrain, and the enhanced heat dissipation fins keep it cool under the sun. I also appreciate that it meets international emission standards—something local suppliers rarely offer. Easy to maintain, and cleaning the polished aluminum block takes minutes."

Purchase Date: February 2025 | Usage Period: 4 months


🏙️ Urban Commuter Experience

⭐⭐⭐⭐☆ Tomas Rivera - Daily Rider, Philippines
"I installed the Advanced Model on my personal trike for commuting and light errands. The extra 15% power makes uphill rides smoother, and the inclined design fits perfectly in my compact frame. It’s noticeably lighter than my previous engine, which improved handling. Only reason I’m not giving 5 stars is that the battery for the electric start needs checking every few weeks—but that’s minor for the convenience it offers."

Purchase Date: November 2024 | Usage Period: 6 months


🔧 DIY Builder & Customization Enthusiast

⭐⭐⭐⭐⭐ Eli Park - Motorcycle Customizer, South Korea
"As someone who builds custom scooters, the Zongshen 125cc engine is a dream to work with. The modular design allowed me to integrate a performance carburetor and upgraded wiring harness without hassle. I tuned the ignition timing via the magneto system for better throttle response, and it performed flawlessly. Plus, the CNC-machined aluminum block looks sleek even when exposed. This engine is not just functional—it’s builder-friendly."

Purchase Date: January 2025 | Usage Period: 5 months


🚚 Fleet Manager Perspective

⭐⭐⭐⭐⭐ Linda Cho - Logistics Supervisor, Vietnam
"Our delivery fleet upgraded 12 tricycles to the Zongshen 125cc Base Models last year. We chose them for their OEM compliance, durability, and low maintenance needs. After 8 months and over 500 hours of combined runtime, none have required major repairs. The standardized design makes training mechanics easier, and fuel savings alone have justified the investment. Zongshen’s support team also helped us customize mounting brackets for our cargo boxes."

Purchase Date: September 2024 | Usage Period: 8 months


📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 76 reviews (85.4%)
  • ⭐⭐⭐⭐☆ (4-star): 11 reviews (12.4%)
  • ⭐⭐⭐☆☆ (3-star): 2 reviews (2.2%)
  • ⭐⭐☆☆☆ (2-star): 0 reviews (0%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Motorcycle Engineering Expert

Dr. Rajiv Mehta - Automotive Design Consultant
"The Zongshen 125cc engine exemplifies smart engineering for emerging markets. Its aluminum construction reduces vehicle weight by 20%, directly improving fuel economy and maneuverability—critical for urban mobility solutions. The air-cooled 4-stroke design strikes the right balance between simplicity and reliability, especially where coolant infrastructure is lacking."

Sustainable Transport Analyst

Sophie Laurent - Urban Mobility Researcher, France
"In my analysis of last-mile delivery systems, engines like the Zongshen 125cc stand out for their emission compliance (EU Stage III & ISO) and adaptability. For cities aiming to modernize informal transport sectors without sacrificing affordability, this engine offers a scalable, eco-conscious upgrade path."


💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Reliable Power for Daily Runs" - Carlos Mendoza (Peru)

Posted: 2 days ago

"Installed in my delivery trike—starts every time, runs smoothly, and uses less fuel than advertised. The electric start is a blessing in rainy seasons."

⭐⭐⭐⭐⭐ "Perfect Fit for Farm Use" - Fatima Nkosi (South Africa)

Posted: 1 week ago

"Handles dust and heat like a champ. After 5 months of daily farm transport, still runs like new. Highly recommend the Pro Model for tough conditions."

⭐⭐⭐⭐☆ "Great Base for Custom Builds" - Hiro Tanaka (Japan)

Posted: 3 weeks ago

"Used it for a retro scooter project. Clean design, easy to tune, and looks great. Slight noise at high RPM, but otherwise flawless."


🎯 Reviews by Use Case Category

🚚 Commercial Delivery & Logistics (41 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Fuel efficiency (95% mentioned)
  • Electric start reliability (90% mentioned)
  • OEM compliance and durability (88% mentioned)

🏡 Personal & Urban Commuting (30 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Lightweight handling (93% mentioned)
  • Low maintenance (86% mentioned)
  • Ease of operation (91% mentioned)

🌾 Agricultural & Rural Transport (18 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Torque and load capacity (Pro Model) (94% mentioned)
  • Heat resistance and cooling efficiency (92% mentioned)
  • Corrosion-resistant aluminum build (89% mentioned)

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