Products / KBS125
Air-Cooled Motorcycle Engine
KBS125 Engine
KBS125 is a air-cooled motorcycle engine for two-wheel motorcycles, suitable for OEM supply, replacement projects, customization programs and overseas bulk purchasing.
Mounting Drawing
Mounting Drawing
Technical Data
Complete Technical Specifications
Basic Product Information
Product Name KBS125
Engine Name KBS125 XP125
Engine Model 152FMI-4
Compatible Vehicle Two-wheel motorcycles
Product Type Two-wheel powertrain
Main Technical Specifications
Engine Type 、 Single cylinder,4-stroke,air-cooling
Displacement (ml) 124.8
Max. Power (kw/r/min) 7.0/7500
Max. Torque (N.m/r/min) 10 /5000
Compression Ratio 9.5:1
Bore and Stroke (mm x mm) 52.4×57.9
Ignition Method CDI
Lubrication Method Pressure and Splash
Min. Fuel Consumption (g/Kw.h) ≤354
Starting Method kick
Clutch Method Manual clutch
Gearshift Method Constant mesh, two stage transmission ,5-speed Gearshift Gear ratio
Product Highlights
Product Highlights
Cylinder Head
Optimized cylinder-head oil passages and structure improve cooling and noise performance.
Valve Train
Stable valve-train operation helps reduce engine noise and improve long-term running consistency.
Performance Design
Designed for stable engine performance, practical durability and reliable matching with target vehicle applications.
Performance Design
Designed for stable engine performance, practical durability and reliable matching with target vehicle applications.
Valve Train
Stable valve-train operation helps reduce engine noise and improve long-term running consistency.
Heated Crankcase Assembly
Heated crankcase assembly and locating-pin design help reduce crankshaft movement noise and improve engine performance.
Performance Design
Designed for stable engine performance, practical durability and reliable matching with target vehicle applications.
Performance Design
Designed for stable engine performance, practical durability and reliable matching with target vehicle applications.
Performance Design
Designed for stable engine performance, practical durability and reliable matching with target vehicle applications.
Performance Design
Designed for stable engine performance, practical durability and reliable matching with target vehicle applications.
Performance Design
Designed for stable engine performance, practical durability and reliable matching with target vehicle applications.
Performance Design
Designed for stable engine performance, practical durability and reliable matching with target vehicle applications.
Performance Design
Designed for stable engine performance, practical durability and reliable matching with target vehicle applications.
Electric and Kick Start
Dual starting modes support different vehicle configurations and user preferences.
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