168F
Alloy
Air-Cooled
163cc
Single-Cylinder
<200 Nm
Four-Stroke
1.5 Kg
150mmx140mmx100mm
Jasp
Colorful Export Carton Box
Zhejiang
871410
Product Description
The Reliable 168F Cylinder Head Assembly is an indispensable element in the world of small gasoline engines, specifically designed for the 168F model. This vital component orchestrates the intricate dance of intake, exhaust, and combustion processes within the engine's cylinder, ensuring optimal performance and efficiency. Below, we present the essential parameters and technical specifications of the esteemed 168F cylinder head assembly:
These parameters not only define the essential specifications but also highlight the outstanding performance characteristics of the 168F cylinder head assembly. They can be expertly adjusted or enhanced to meet the unique demands and specific requirements of various engine configurations, ensuring superior adaptability and performance.




1. Compatible Engine Model | - Model: 168F |
- Displacement: 163cc | |
- Bore × Stroke: 68mm × 45mm | |
2. Cylinder Head Material | - Material: Aluminum alloy |
- Surface Treatment: Usually anodized to enhance corrosion resistance and heat dissipation. | |
3. Intake and Exhaust Valves | - Intake Valve Diameter: 25mm |
- Exhaust Valve Diameter: 24mm | |
- Valve Material: High-quality alloy steel, designed for high heat and wear resistance. | |
- Valve Springs: Optimized for strength and elasticity to ensure valve stability. | |
4. Spark Plug Interface | - Thread Size: M14 x 1.25 |
5. Cylinder Head Assembly Weight | - Weight: Approximately 1.5kg. |
6. Combustion Chamber Design and Compression Ratio | - Combustion Chamber Shape**: Hemispherical design to improve combustion efficiency. |
- Compression Ratio: 8.5:1 | |
7. Valve Clearance | - Intake Valve Clearance: 0.15mm |
- Exhaust Valve Clearance: 0.20mm | |
8. Cooling System | - Cooling Type: Air-cooled |
- Cooling Fins: External fins on the cylinder head to enhance heat dissipation. | |
9. Mounting Interfaces | - Intake Port Diameter: 19mm |
- Exhaust Port Diameter: 24mm | |
- Bolt Size: Typically secured with M8 bolts. | |
10. Application | - Suitable Equipment: Generators, tillers, water pumps, small construction equipment, etc. |
11. Quality Control | - Testing Standards: Rigorous pre-delivery testing to ensure sealing, valve sealing, and durability. |




