The Water-cool 120CC Engine from fourobot conveys enterprise-grade control administration for heavy-duty applications. Our SSL-120-W demonstrate highlights dual-cylinder setup with water cooling innovation, creating 12.3HP at 7500rpm with uncommon warm solidness. With 10 a long time of fabricating skill, CE and ISO certifications, and 100 units in stock, we ensure 20-day conveyance cycles and 5×12 hour reaction times. This motor weighs fair 2880g however produces 26.5kg drag constrain at 100m elevation, making it perfect for rambles, rural apparatus, and control hardware where reliable execution matters.

Air-cooled motors battle when the work gets extreme. Warm buildup murders control and abbreviates lifespan.
That's where fluid cooling changes everything.
Our water-cooled framework circulates coolant through precision-engineered coats encompassing the barrel. This keeps up ideal working temperatures indeed amid amplified high-load operations.
You get reliable control yield. No warm debasement. No execution drops on hot days.
The water coat plan moreover decreases motor clamor by 3-5 decibels compared to air-cooled choices. Your administrators will appreciate the calmer work environment.
| Configuration | Parameters |
|---|---|
| Cooling Mode | Water Cooling |
| Cylinder | 2 |
| Performance | 12.3HP/7500rpm |
| Idle Speed | 1500rpm/minute |
| Pull Force (100m altitude) | 26.5kg |
| Pull Force (1800m altitude) | 23.5kg |
| Applicable Propeller | 26×10; 26×12; 28×10 |
| Spark Plug Model | CNR6A |
| Diameter × Stroke | 47mm × 35mm |
| Compression Ratio | 10.5:1 |
| Lubrication Ratio | 30:1 |
| Maximum Fuel Consumption | 4.5L/h |
| Main Engine Weight | 2880g |
| Exhaust Weight | 120g |
| Ignitor Weight | 190g |
| Ignition Voltage | 6V-14.4V |
| Dimensions (L×W×H) | 245×170×210mm (±10mm) |
Extended Component Lifespan
Water cooling increments cylinder ring and valve life by roughly 15%. That implies less revamps and lower upkeep costs over the engine's lifetime.
Superior Power-to-Weight Ratio
At fair 2880g for the primary motor, you get 12.3 drive without the bulk. This adjusted plan bridges the hole between lightweight 110CC units and heavier 150CC engines.
Stable Performance Under Load
The 10.5:1 compression ratio delivers strong torque characteristics. Combined with precise thermal management, you maintain consistent power even during prolonged operation in high-temperature environments.
Reliable Cold Starting
When combined with proper antifreeze, this engine starts easier in cold weather compared to air-cooled alternatives. You'll reach optimal operating temperature faster too.
Reduced Friction and Wear
High-grade aluminum alloy construction with optimized heat transfer ensures smooth operation. Less friction means better fuel efficiency and longer engine life.
Agricultural Applications
Micro-tillers and irrigation pumps demand continuous peak torque. Dusty conditions that clog air-cooling fins don't affect our water-cooled design. You get reliable performance when you need it most.
Drone Operations
Heavy-lift drones require sustained power without overheating. Our Water-cool 120CC Engine provides the thrust you need with thermal stability that air-cooled units can't match.
Power Equipment
Generators and pumps often run for hours without rest. This engine maintains performance during extended operation, making it perfect for backup power and remote work sites.
Recreational Vehicles
Go-karts and ATVs benefit from consistent power delivery during low-speed, high-torque maneuvers. Whether in mud, sand, or rocky terrain, you'll appreciate the reliability.
Cargo Tricycles
Last-mile delivery vehicles often idle in traffic under hot conditions. Our cooling system prevents seizure and maintains performance throughout the delivery route.
Fourobot brings 10 years of production expertise to every engine we manufacture.
Our facilities maintain compliance with CE, ISO, TAF, and TELEC international standards. These certifications ensure global market access and consistent quality.

We implement rigorous testing protocols:
Every Water-cool 120CC Engine undergoes inspection before shipping. We stand behind our products with comprehensive 1-year warranties and global agent support.
We maintain 100 units in stock for immediate shipment.
For custom orders of 1-10 units, our production cycle is just 20 days. We respond to inquiries within 5×12 hours because your time matters.
Multiple shipping options including air, sea, and land transportation give you flexibility. We work with you to find the most cost-effective logistics solution.
Need modifications? We offer ODM and OEM customization to match your specific requirements. Different countries have different needs, and we adapt accordingly.


Q:How does maintenance differ from air-cooled engines?
A:Oil changes follow standard intervals. The main difference is coolant maintenance. Flush the cooling system every 12-18 months to prevent scale buildup. This simple step ensures long-term reliability.
Q:What fuel should I use?
A:The engine runs on standard 87 octane fuel. However, we recommend 91+ octane to maximize the performance advantages of our higher compression ratio design.
Q:What if the water pump fails?
A:Our quality control ensures pump reliability. In the unlikely event of failure, thermal sensors trigger protective measures. The system includes safeguards to prevent catastrophic damage.
Q:How much does the cooling system add to weight?
A:The complete cooling system adds approximately 2-4kg compared to air-cooled alternatives. However, the increased power density and extended lifespan provide excellent return on investment.
Q:Can it handle cold weather?
A:Absolutely. When using ethylene glycol-based antifreeze, this engine offers easier cold starts than air-cooled versions. It reaches optimal operating temperature faster, so you're productive sooner.
Q:Why is liquid cooling quieter?
A:The water jacket creates a damping effect that absorbs engine vibrations. This results in 3-5 decibel noise reduction compared to air-cooled models. Your work environment becomes more comfortable.
Q:What's included with purchase?
A:Each complete package includes the main engine (2880g), exhaust system (120g), and ignitor (190g). We also provide technical documentation and installation guidance.
Q:Do you offer technical support?
A:Yes. Our global agent network provides local after-sales service. We maintain transparent communication and quick response times to keep your operations running smoothly.
At fourobot, we don't just manufacture engines. We deliver solutions.
Our culture emphasizes continuous improvement and customer focus. We invest in our people through ongoing training and skills development. This commitment to excellence shows in every product we ship.
Transparency and innovation guide our operations. Performance-based systems ensure accountability at every level. When you work with us, you're partnering with a team dedicated to your success.
We offer competitive pricing without compromising quality. Fast delivery times keep your projects on schedule. Efficient communication means your questions get answered quickly.
Contact our team at sales@fourobot.com to discuss your specific requirements for Water-cool 120CC Engine today.
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