J25RL-125/150
Motorcycle engine is the fuel mixture into the cylinder ignition so that its combustion of thermal energy into mechanical energy
Max Power
Max Torque
E-mail: 215889394@qq.com
Phone:+86-0576-82899099
J25RL-125/150
Motorcycle engine is the fuel mixture into the cylinder ignition so that its combustion of thermal energy into mechanical energy
Accept customization
Place of Origin: Hebei, China
Brand Name: DSX
Logo: Custom logo
Sample: Available
Sample time: 5-7 Days
Design: ODM Designs
Max Power
Max Torque
E-mail: 215889394@qq.com
Phone:+86-0576-82899099
Motorcycle engine is the fuel mixture into the cylinder ignition so that its combustion of thermal energy into mechanical energy, and by the crankshaft will be the power through the transmission mechanism to the rear wheel of the motorcycle and become the vehicle driving power of the machinery. Motorcycle engine has the advantages of small inertia force, small vibration, low noise and so on. Motorcycle power plant are used in the internal combustion engine; the use of diesel fuel engine is customarily referred to as diesel engines, while the use of gasoline as fuel engine is called gasoline engines. Because gasoline engine has the advantages of light weight, small size, noise, low vibration, easy starting and low cost, etc., so motorcycles commonly use gasoline engine as its power unit.
Function
● Variable-Flow Intake Technology: Optimizes the intake airflow path for more complete combustion, greater power output, and lower fuel consumption.
● Piston cooling technology: enhances resistance to thermal deformation, improves piston cooling and lubrication, and results in lower thermal load compared with engines of the same displacement and type, leading to lower cylinder-head and oil temperatures.
● Unique centrifugal weight-type pressure-reducing mechanism: simple structure, more stable pressure reduction, easy starting, and enhanced starting performance as well as longer service life for the starter motor and battery.
● Oil-level sight glass design: facilitates real-time monitoring of the crankcase oil level.
External characteristic curve chart

Installation Diagram

Technical Specifications
| Engine model | 1P50OMI-2(J25RL-125) | 1P55QMJ-2 (J25RL-150) |
| Engine Type | Horizontal, single-cylinder, four-stroke, air-cooled | Horizontal, single-cylinder, four-stroke, air-cooled |
| Bore/Stroke | 50mm*63.1mm | 55mm×63.1mm |
| Displacement | 123.9ml | 149.9ml |
| Compression ratio | 10.0:1 | 9.5:1 |
| Maximum power and corresponding speed | 7.0kw/7750rpm | 8.0kw/7500rpm |
| Maximum torque and corresponding speed | 10.0N.m/5750rpm | 11.2N.m/6000rpm |
| Transmission method | Continuously Variable Transmission | Continuously Variable Transmission |
| Starting method | Electric start | Electric start |
| Ignition method | ECU | ECU |
| Fuel consumption per 100 kilometers | 1.8L | 2.1L |
| Compatible with rear wheel specifications | 12”/13”/14” | 12”/13”/14” |
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