Description
Product Overview
The Kemblawolf Lifan 140cc engine kit is engineered for riders who demand both power and reliability on challenging terrain. It incorporates a single‑cylinder, 4‑stroke, oil‑cooled OHC racing head that produces up to 8kW of power and 9.5N·m of torque. With a high compression ratio of 9.47:1 and a 900ml oil capacity, the engine maintains optimal temperature under heavy load. The kit comes in a machined exterior finish, ensuring durability and a premium look.
![[Product front view showing all components]](https://www.joltshop.store/wp-content/uploads/2026/06/ebe0b9e6d4364ff3b11269cc8f592af2.jpg)
Usage
Designed for off‑road enthusiasts, this engine kit fits dirt bikes with a 154mm bolt spacing, including popular models such as Apollo RFZ125, SSR110, DB14/DB17, CRF50/70, XR50/70, CT70, Z50, and Monkey. Whether you are tackling steep trails, racing in pits, or enjoying weekend rides, the manual 4‑speed clutch and kick start provide intuitive control and quick response. Ideal for both upgrades and replacements, the kit enhances performance without compromising reliability.
Why Choose Us
Kemblawolf combines precision engineering with rigorous quality testing to deliver an engine kit that stands up to the toughest conditions. Each component, from the carburetor to the ignition coil, is selected for optimal compatibility and longevity. Our after‑sales support includes detailed installation guides and responsive customer service, ensuring you get the most out of your purchase.
Key Features
- High‑performance 140cc engine delivers strong torque for demanding off‑road rides.
- Manual 4‑speed clutch with kick start offers precise control and quick launches.
- Complete swap kit includes carburetor, air filter, CDI, ignition coil, and all hardware for fast installation.
- Broad compatibility fits a wide range of popular dirt bike models.
- Dedicated customer support and comprehensive installation resources.
FAQ
What bike models are compatible with this engine kit?
The kit fits dirt bikes with a 154mm (6″) bolt spacing, including Apollo RFZ125, SSR110, DB14/DB17, CRF50/70, XR50/70, CT70, Z50, Monkey and similar models.
Is the kit suitable for beginners?
Yes, the manual clutch and kick start are designed for easy operation, and the included hardware and instructions make installation straightforward for riders with basic mechanical skills.
What is included in the swap kit?
The package contains a carburetor, air filter, CDI unit, ignition coil, clutch cable, wiring loom, intake manifold, and all necessary mounting hardware.
How does the oil‑cooling system work?
The engine features an oil‑cooled design that circulates 900ml of 15W/40‑SE oil, maintaining optimal temperature during high‑intensity riding.
What warranty does Kemblawolf provide?
Kemblawolf offers a one‑year limited warranty covering manufacturing defects, backed by responsive customer service for any support needs.




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