Our Air-cool 66CC Engine from fourobot conveys an noteworthy 8HP at 8500rpm, making it culminate for rambles, agrarian hardware, and crisis bolster frameworks. With 10 a long time of fabricating ability, this dual-cylinder engine weighs fair 1580g whereas advertising vigorous drag drive of 15.5kg at 100m height. Sponsored by CE and ISO certifications, our engine highlights a 7.6:1 compression proportion and works effectively with a 30:1 grease proportion. We keep up 100 units in stock with a responsive 20-day generation cycle for orders of 1–10 units.

You get genuine control without the bulk. This compact engine produces 8 drive whereas weighing less than 1.6 kilograms.
The dual-cylinder setup guarantees smooth operation. You'll take note decreased vibration compared to single-cylinder alternatives.
Perfect for applications where each gram things. Ramble administrators especially appreciate this adjusted plan approach.
Air cooling implies less components that can come up short. You do not require fluid cooling frameworks or extra support hassles.
The high-grade aluminum combination barrel body scatters warm proficiently. Ceramic-plated lining gives predominant wear resistance indeed beneath requesting conditions.
Heat dissemination blades are deliberately planned. They keep up ideal working temperatures amid amplified use.
This Air-cool 66CC Engine adapts to your particular needs. Whether you're building agrarian sprayers, generators, or motorized vehicles, it conveys reliable performance.
Urban micro-mobility arrangements advantage from the stop-and-go unwavering quality. The cooling framework exceeds expectations in high-ambient temperature activity conditions.
Emergency bolster gear administrators esteem the straightforwardness. Field operations in water-scarce situations require negligible upkeep resources.
| Configuration Items | Parameters |
|---|---|
| Cooling Mode | Air Cooling |
| Cylinder | 2 |
| Performance | 8HP/8500rpm |
| Idle Speed | 1500rpm/minute |
| Pull Force | 15.5kg/Altitude 100m |
| Pull Force | 13.6kg/Altitude 1800m |
| Applicable Propeller Specifications | 2210; 238; 2310; 248 |
| Applicable Spark Plug Models | BM6A |
| Displacement | 66cm³ |
| Cylinder Diameter × Stroke | 38mm×30mm |
| Compression Ratio | 7.6:1 |
| Lubrication Ratio | 30:1 |
| Weight of Engine | 1580g |
| Weight of Exhaust Pipe | 90g×2 |
| Igniter Weight | 120g |
| Igniter Voltage | 6V-14.4V |
| Dimensions (L×W×H) | 220×165×190mm (±10mm) |

Ten years of production experience backs every unit. Our mature processes ensure consistency across every engine you receive.
ISO9001 compliance guarantees casting density and crankshaft balance. You get reliability that meets international manufacturing standards.
We understand your project timelines matter. Our 100-unit inventory means immediate availability for standard orders.
Production cycles remain competitive. Orders of 1–10 units ship within 20 days, with response times under 5×12 hours.
ODM and OEM capabilities let you tailor functionality. Different countries have different requirements, and we adapt accordingly.
Modular bolt-on architecture simplifies integration. You can configure the system to match your specific application needs.

Your investment is protected with a 1-year warranty. Global local agent networks provide timely after-sales service wherever you operate.
Multiple logistics solutions accommodate your preferences. Air, sea, and land transportation options ensure convenient delivery.
Every Air-cool 66CC Engine undergoes cylinder compression testing. We verify airtightness and piston ring sealing before shipment.
Thermal imaging analysis runs during 4-hour continuous load tests. This confirms the efficiency of air-cooling fins under real-world conditions.
Dynamic balancing of crankshaft and flywheel meets ISO 1940 standards. This minimizes vibration-induced fatigue over the engine's lifetime.
Material spectrometry verifies aluminum-to-zinc ratios. Structural integrity is confirmed at the molecular level.
Fuel atomization assessment ensures lean burning. The carburetor configuration meets emission compliance requirements.

A:Use a 16:1 mineral oil mix initially. Limit continuous run time to 30 minutes, allowing thermal cycling to stabilize the metallurgy properly.
A:You get significantly more torque than 49CC engines. At the same time, you maintain better vibration profiles and fuel economy than oversized 80CC units.
A:With proper 20:1 synthetic oil mixing and regular air-filter maintenance, these engines typically exceed 5,000 operational hours.
A:Wind-tunnel simulation tests measure heat dissipation rates. We assess performance across the cylinder head at 25km/h airflow conditions.
A:Yes. Our premium units meet CE safety standards and specific EPA Phase III emission requirements for small off-road engines.
A:CDI (Capacitor Discharge Ignition) provides electronic timing stability. You get consistent spark delivery across the 6V-14.4V voltage range.
A:Absolutely. The engine accommodates multiple specifications: 22×10, 23×8, 23×10, and 24×8 propellers work efficiently.
Portable sprayers and small tillers benefit from high torque at low speeds. Dusty, high-load conditions don't compromise performance.
Compact generators and water pumps for remote field operations rely on simplicity. Air-cooled systems minimize maintenance in harsh environments.
Lawn mowers, outboard motors, and motorized bicycles perform consistently. The balanced power-to-weight ratio suits medium-power applications perfectly.
You receive competitive pricing without compromising quality. Fast delivery and efficient communication enhance your overall value.
Our transparent pricing structure reflects genuine manufacturing capabilities. No hidden costs or surprise fees affect your budget planning.
The combination of reliable components and responsive service creates lasting value. You're investing in proven technology with dependable support.
Get started with our Air-cool 66CC Engine today. Contact our team at sales@fourobot.com for detailed specifications and ordering information.
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