LIFAN 140CC PIT BIKE ENGINE MANUAL, COMPLETE RUNNING ENGINE PACKAGE, CARB & ELECTRICS INCLUDED
LIFAN 140CC Pit Bike Engine. This is a complete running engine package including carb and electrics. Features manual 1-N-2-3-4 gears, kick start, gear lever, carb and manifold, and all electrics and switches. Displacement: 139cc. Max power: 11HP @7500 RPM. Max torque: 9.5NM @5000 RPM. Compression ratio: 9.0:10. Bore & stroke: 55mm x 59mm. Engine oil capacity: 900ml, 15W/40. Requires a break-in procedure: 10 minutes running at idle, 15 minutes riding not exceeding 1/2 throttle, and 15 minutes riding not exceeding 3/4 throttle. After break-in, it is recommended to change the oil and perform a full engine check. Net weight: 23500g.
- SKU
- 56-E102
- Brand
- Lifan
- Availability
- In Stock (1)
FULL DESCRIPTION
LIFAN 140CC Pit Bike Manual Engine Package
Upgrade your pit bike or monkey bike with this complete running engine package from LIFAN. This 140cc engine is designed for performance and reliability, offering a significant power boost for your off-road adventures.
Key Features:
- Engine Size: 140cc (139cc displacement)
- Transmission: Manual with 1-N-2-3-4 gear pattern
- Included Components: Comes complete with kick start, gear lever, carburetor and manifold, and all necessary electrics and switches.
- Power Output: Delivers 11HP at 7500 RPM.
- Torque: Produces 9.5NM of torque at 5000 RPM.
- Construction: Features a bore and stroke of 55mm x 59mm with a compression ratio of 9.0:10.
- Oil Capacity: Requires 900ml of 15W/40 engine oil.
Important Break-In Procedure:
To ensure the longevity and optimal performance of your new LIFAN engine, a break-in procedure is essential:
- Run the engine at idle for 10 minutes.
- Ride the vehicle for 15 minutes, not exceeding half throttle.
- Ride the vehicle for another 15 minutes, not exceeding three-quarters throttle.
After completing the running-in procedure, it is recommended to change the engine oil and perform a thorough check of all engine components.


