CISON L4-26CC Engine: New Upgraded Version with 20% More Power for RC Models & Collectors

Following the success of CISON L4-175 engine and CISON L4-205 engine in February 2025, we are proud to launch the all-new CISON L4-26CC Miniature Inline 4-Cylinder Engine. Building on the strengths of its predecessors, this upgraded engine delivers enhanced performance, improved stability, and an immersive DIY experience—perfect for RC car enthusiasts, hobbyists, and collectors alike.

Comparison of CISON L4-175 & Upgraded CISON L4 Engine Key Parameters

Key Upgrades:

1. New Design: The original blue cylinder head is upgraded to an eye-catching red top cover, paired with a silver cylinder block for both aesthetics and collection value.

2. Power Boost: Displacement increased from 20.5cc to 26cc, with power improved by over 20% while maintaining smooth operation.

3. Optimized Spark Plug & Exhaust System: Adopts a new type of spark plug and integrated 4-in-1 exhaust manifold for a more unique and powerful engine sound.

4. Improved Carburetor & Cooling System: The upgraded independent carburetor simplifies tuning; the wet water cooling system and independent lubrication system ensure long-term reliable performance.

Product Features:

1. Immersive Engine Assembly Experience: The L4 kit includes hundreds of precision-machined metal parts, allowing you to assemble your own L4 engine from scratch — challenging yet highly rewarding.

2. Compact & Powerful: Despite its small size, the L4 engine delivers strong power. With its large displacement, advanced OHV valve system and long-stroke design, it generates higher torque than engines of the same size.

3. Durable & Stable Performance: Equipped with an independent lubrication system and external oil pump for optimal lubrication; wet water cooling technology reduces operating temperature, ensuring long-term reliable performance.

4. Responsive Throttle & Rich Engine Sound: Precision-machined metal intake and exhaust pipes, paired with a simulated carburetor, enable simple and sensitive tuning. The engine emits a deep, powerful roar for an immersive auditory experience.

5. Exquisite Craftsmanship: CNC-machined engine body, three-ring piston design, high-precision hardened cylinder liner and integrated hardened crankshaft ensure every part is meticulously crafted. Surface sandblasting and oxidation treatment enhance touch and appearance.

6. Convenient & Stable Ignition: Equipped with a compact anti-interference L4-specific CDI ignition system, providing reliable ignition performance even when using remote control electronic equipment.

7. Perfect RC Compatibility: Lightweight and compact, this engine is ideal for 1/8 and 1/14 scale remote control crawlers, off-road vehicles and trucks, delivering strong performance as the "heart" of your model.

One more thing,we will offer custom flywheels for CISON L4 engine users, so they can upgrade their powertrain components.

If you'd like to modify your engine, feel free to contact us for customization. (sales@enginediy.com)