Why choose Lifan125 cc pit bike engine?
Lifan pit bikes and accessories are a budget-friendly option with high-end quality and specifications. If you are a recreational rider who loves to go on the trail to have some fun, Lifan pit bikes can deliver the most suitable experience at a very decent price range.
Besides, all these bikes come with some exclusive color patterns and specifications to give you a stylish vibe and optimum experience on the dirt trail. We don’t what you are looking for. That is why-
This article includes a Lifan 125cc pit bike and a 125cc engine, allowing you to upgrade the old one or purchase a new bike to meet your thirst. If you are interested, let's get started with the specifications of the Lifan125cc pit bike-

Lifan 125cc pit bike reviews
Engine
ENGINE TYPE | Lifan 4-stroke, 4-speed Air-Cooled |
STARTER | Kick-start |
COMPRESSION RATIO | 9.0:1 |
Max. Power | 5.2kW/8,500rpm |
Max. Torque | 6.2N.m/5,500rpm |
IGNITION | CDI |
Transmission
Transmission | 4-gear, International Shift Pattern |
CLUTCH | Manual Clutch with 1 down 3 up Shift Pattern |
Chassis/suspension
FRAME TYPE | High strength steel |
FRONT FORKS + TRAVEL | 31" Inverted Fork with 4"-6" travel |
REAR SWINGARM and SHOCK | Extended Aluminium Swingarm, 11" Shock |
BRAKES | Front-Disc, Rear-Disc |
Dimension/capacities
FRONT & REAR WHEEL | Front: 2.75 x 14"| Rear: 3.00 x 12" |
WHEEL BASE | 38.98" |
LOAD CAP. | 250lbs. |
SEAT HEIGHT | 32" (from middle of seat) |
TANK CAPACITY | 1 Gallon (3L) |
LENGTH / WIDTH / HEIGHT | 53.14 inches /14.76 inches /30.12 inches |
Others
MAX. SPEED | 50~60 MPH depending on weight and road condition. |
RECOMMENDED AGE | 13+ |
COLOR | Black, Red, and Blue |
INCLUDED IN PACKAGE | Manual and Toolset |
ASSEMBLY REQUIREMENT | Handlebar, Front Wheel, and Shock. |
It is always possible to get a budget-friendly pit bike with optimum quality. You just need to spend some time to do the research. We don't know the age of yours. But we can suggest you a decent pit bike that would go with all ages of people. If you are more than 13, this 125cc Lifan pit bike will always please you with its quality and price range. Before we disclose our opinion, let us learn about the specifications first-
Lifan 125cc Engine

Lifan 125cc pit bike includes a 4-stroke single cylinder air-cooled engine. This pit bike engine with the perfect compression ratio of 9.0:1 will deliver up to 8500rpm of maximum power. As a result, you can expect to get nearly 60mph top speed to preside over the dirt trail. Furthermore, the engine will deliver up to 5,500rpm of maximum torque, allowing you to stop the bike with less time. If you prefer having maximum control over your pit bike with a formidable top speed, this Lifan 125cc pit bike engine will never disappoint you.
Lifan 125cc Transmission
A perfect transmission process enhances the smoothness of riding. This pit bike comes with a manual clutch mechanism, providing a smooth transition between the engine and the wheel. Besides, the 4 gear shifting process will be handy to maneuver the bike in different situations with proper dexterity.
Lifan 125cc Transmissiona and Suspension
If the suspension system of the bike is not up to date, you get a shaky experience while riding on the bike. This bike includes a front and rear disc suspension system, allowing you to get the appropriate suspension in different rough and tough terrains. The bike will not let the bumpy terrain to hinder your driving mode.
Stability and comfort
If the bike is not stable enough to give you a comfortable feeling, purchasing the bike is nothing but a waste of your precious money. Lifan 125cc pit bike uses a high-strength steel body construction, allowing you to get a stable feeling in all kinds of terrain. On top of that, the inclusion of the Extended Aluminum Swingarm shock will absorb maximum unprecedented force to make you comfortable and stable while riding on the bike.
Dimension and capacities
First of all, the fuel tank of the bike can accommodate almost 1 Gallon of fuel at a time. As a result, you will be able to run longer on the trail without re-filling the tank again and again. On top of that, the bike can withstand up to 250lbs of weight at a time, allowing all ages of people to ride the bike with proper dexterity.
Our opinion
If you are a recreational rider who loves to run on the trail so often, this Lifan 125cc pit bike should be an excellent choice for you. Getting all these features at that price range should always provoke one to go with this unique pit bike.
- On the other hand, if you are a professional rider who rides on a professional dirt trail, the Lifan 125cc pit bike may not deliver the optimum speed to beat your competitors.
Lifan 125cc Engine Semi-Auto 4 Stroke Motor for Trail Bike engine
Specifications
Model number | 1P54FMI |
Engine type | Single cylinder, horizontal, 4-stroke. |
Clutch type | Automatic. |
Starting | Electric/kick start |
Transmission | N-1-2-3-4 |
Sprocket | 428# 15T |
Shaft size | 20mm |
Horsepower | 11HP. |
Max. Driving Speed | Around 50mph (80km/h). |
Idling speed | 1500r/min |
Rated power/ rotate speed | 5.8kw/7500 rpm. |
Max torque and rotate speed | 8.5 Nm/5000rpm. |
Oil | 4T oil. |
Carburetor size | 22mm or 19mm. |
Battery | 12v 4.5Ah-7Ah (not included) |
Net weight | 50lbs (23kg) |
Dimension (LxWxH) | 470x275x280mm. |
Our second recommendation for you is the Lifan 125cc dirt bike/pit bike engine. If you are looking for an extended pit bike engine to upgrade your pit bike to a better version, this single-cylinder horizontal four-stroke engine will always please you with its quality.
The engine can deliver up to 11 horsepower, ensuring almost 7500rpm top speed. As a result, you can expect to get better speed and mileage through this high-end engine. Furthermore, the automatic clutch type with a four-way gear shifting process should provide you extreme support to maneuver the bike with proper dexterity. This one comes with the typical 23kgs of weight, keeping the bike lightweight and stable.
Note
This engine will be a perfect replacement for Trail Bike CT70 90 110 125 and other most popular bikes.
Our opinion
If you have an old 50cc to 110cc pit bike, replacing the engine with this Lifan 125cc engine will enhance the quality of your bike to a great extent. By the way, you should always check the mounting hole and oil standard before confirming the purchase. This will help to reduce any trouble in the near future.
Final words
Lifan pit bikes are prevalent all over the world only because of their quality. Besides, their accessories meet the perfect standard to ensure an optimum experience for a long time. If you are a moderate user who loves to go on the trail to have some fun occasionally, a 125cc pit bike might deliver the perfect experience. Besides, they are suitable for all ages of people, allowing both teens and adults to ride with full confidence.