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Zongshen ZS 50 vs Bajaj KB 125
Complete specifications comparison to help you choose
Motorcycle Comparison
Zongshen ZS 50
৳72,000
VS
Bajaj KB 125
৳0
Complete Specifications Comparison
Basic Information
Engine Type
4-Stroke Single Cylinder, Air-Cooled
Single Cylinder, 2-Stroke, Air Cooled
Engine Type
4-Stroke Single Cylinder, Air-Cooled
Single Cylinder, 2-Stroke, Air Cooled
Controller Type
Not Applicable (Internal Combustion Engine)
N/A
Controller Type
Not Applicable (Internal Combustion Engine)
N/A
Transmission Type
Manual
Manual
Transmission Type
Manual
Manual
Clutch Type
Wet Multi-plate
Wet Multi-Plate
Clutch Type
Wet Multi-plate
Wet Multi-Plate
Drive Type
Chain Drive
Chain Drive
Drive Type
Chain Drive
Chain Drive
Brand
Zongshen
Bajaj (Kawasaki Bajaj)
Brand
Zongshen
Bajaj (Kawasaki Bajaj)
Model
ZS 50
KB 125
Model
ZS 50
KB 125
Bike Name
Zongshen ZS 50
Bajaj KB 125
Bike Name
Zongshen ZS 50
Bajaj KB 125
Model Year
2025
$\sim 1996 - 2000$ (Discontinued)
Model Year
2025
$\sim 1996 - 2000$ (Discontinued)
Category/Type
Commuter
Classic Commuter / Standard
Category/Type
Commuter
Classic Commuter / Standard
Country of Origin
China (Zongshen is a Chinese company)
India / Collaboration with Japan (Kawasaki)
Country of Origin
China (Zongshen is a Chinese company)
India / Collaboration with Japan (Kawasaki)
Assembly Location
N/A
India / N/A (Discontinued)
Assembly Location
N/A
India / N/A (Discontinued)
Status
Likely discontinued or limited stock/availability in Bangladesh
Discontinued - Available Only in Used Market
Status
Likely discontinued or limited stock/availability in Bangladesh
Discontinued - Available Only in Used Market
Colors Available
N/A (Varies based on distributor stock)
Red, Blue, Black (Original)
Colors Available
N/A (Varies based on distributor stock)
Red, Blue, Black (Original)
Battery Type
Lead Acid (Estimated)
Wet Cell (Historically)
Battery Type
Lead Acid (Estimated)
Wet Cell (Historically)
Charger Type
Not Applicable
N/A
Charger Type
Not Applicable
N/A
Seat Type
Single (Long seat for rider and pillion)
Single Seat (Long Seat)
Seat Type
Single (Long seat for rider and pillion)
Single Seat (Long Seat)
Handle Type
Standard/Upright Commuter
Single Tubular Handlebar
Handle Type
Standard/Upright Commuter
Single Tubular Handlebar
Frame Type
N/A (Standard Commuter Frame)
Single Down Tube Frame
Frame Type
N/A (Standard Commuter Frame)
Single Down Tube Frame
Swingarm Type
Twin Shock Swingarm
N/A
Swingarm Type
Twin Shock Swingarm
N/A
Engine & Performance
Displacement (cc)
71.8 cc
$123 \text{ cc}$
Displacement (cc)
71.8 cc
$123 \text{ cc}$
Maximum Power
4.0 kW (≈5.3 Bhp) @ 9000 RPM
$12.5 \text{ PS } @ 7250 \text{ rpm}$
Maximum Power
4.0 kW (≈5.3 Bhp) @ 9000 RPM
$12.5 \text{ PS } @ 7250 \text{ rpm}$
Maximum Torque
4.5 Nm @ 5500 RPM
$11.0 \text{ Nm } @ 7500 \text{ rpm}$
Maximum Torque
4.5 Nm @ 5500 RPM
$11.0 \text{ Nm } @ 7500 \text{ rpm}$
Peak Power
N/A
$12.5 \text{ PS } @ 7250 \text{ rpm}$
Peak Power
N/A
$12.5 \text{ PS } @ 7250 \text{ rpm}$
Number of Cylinders
1
1
Number of Cylinders
1
1
Valve Configuration
N/A (Likely SOHC)
N/A
Valve Configuration
N/A (Likely SOHC)
N/A
Valves Per Cylinder
N/A
N/A
Valves Per Cylinder
N/A
N/A
Bore
N/A
$55.0 \text{ mm}$
Bore
N/A
$55.0 \text{ mm}$
Stroke
N/A
$51.8 \text{ mm}$
Stroke
N/A
$51.8 \text{ mm}$
Bore x Stroke
N/A
$55.0 \text{ x } 51.8 \text{ mm}$
Bore x Stroke
N/A
$55.0 \text{ x } 51.8 \text{ mm}$
Compression Ratio
8.8:1
N/A
Compression Ratio
8.8:1
N/A
Cooling System
Air Cooled
Air Cooled
Cooling System
Air Cooled
Air Cooled
Fuel Supply System
Carburetor
Carburetor
Fuel Supply System
Carburetor
Carburetor
Ignition System
CDI
Digital (CDI)
Ignition System
CDI
Digital (CDI)
Engine Layout
Not Available
Vertical
Engine Layout
Not Available
Vertical
Engine Oil Grade
N/A
2-Stroke Oil (Separate Tank)
Engine Oil Grade
N/A
2-Stroke Oil (Separate Tank)
Valve Adjustment Interval
N/A
N/A
Valve Adjustment Interval
N/A
N/A
Starting System
N/A
Kick Start Only
Starting System
N/A
Kick Start Only
Engine Kill Switch
N/A
No (Based on era)
Engine Kill Switch
N/A
No (Based on era)
Power-to-Weight Ratio
Kick Start Only
N/A
Power-to-Weight Ratio
Kick Start Only
N/A
Power Consumption
Not Available
N/A
Power Consumption
Not Available
N/A
Motor Power
N/A
N/A
Motor Power
N/A
N/A
Emission Standard
Not Applicable
Pre-Emission Standard (Discontinued)
Emission Standard
Not Applicable
Pre-Emission Standard (Discontinued)
Battery Power
Not Applicable
N/A
Battery Power
Not Applicable
N/A
Power Mode Indicator
N/A
N/A
Power Mode Indicator
N/A
N/A
Fuel & Mileage
Engine Oil Capacity
N/A
N/A (Gearbox) / Separate 2-Stroke Oil Tank
Engine Oil Capacity
N/A
N/A (Gearbox) / Separate 2-Stroke Oil Tank
Fuel Tank Capacity
N/A (Listings vary, small capacity expected)
$8.0 \text{ Litres}$ (Main) + $2.3 \text{ L}$ (Reserve)
Fuel Tank Capacity
N/A (Listings vary, small capacity expected)
$8.0 \text{ Litres}$ (Main) + $2.3 \text{ L}$ (Reserve)
Fuel Economy
60 KMP
$\sim 40 \text{ kmpl}$ (User Reported)
Fuel Economy
60 KMP
$\sim 40 \text{ kmpl}$ (User Reported)
Average Mileage
55 KMPL
$\sim 40-45 \text{ kmpl}$
Average Mileage
55 KMPL
$\sim 40-45 \text{ kmpl}$
Mileage City
N/A
$\sim 40 \text{ kmpl}$
Mileage City
N/A
$\sim 40 \text{ kmpl}$
Mileage Highway
N/A
$\sim 45 \text{ kmpl}$
Mileage Highway
N/A
$\sim 45 \text{ kmpl}$
Load Capacity
N/A
N/A
Load Capacity
N/A
N/A
Battery Capacity
N/A
N/A
Battery Capacity
N/A
N/A
Range
N/A
$\sim 350 \text{ km}$ (Calculated with $40 \text{ kmpl}$ avg)
Range
N/A
$\sim 350 \text{ km}$ (Calculated with $40 \text{ kmpl}$ avg)
Range Indicator
N/A
No
Range Indicator
N/A
No
Range Per Charge (Eco)
Not Applicable
N/A
Range Per Charge (Eco)
Not Applicable
N/A
Range Per Charge (Normal)
Not Applicable
N/A
Range Per Charge (Normal)
Not Applicable
N/A
Range Per Charge (Sport)
Not Applicable
N/A
Range Per Charge (Sport)
Not Applicable
N/A
Low Fuel Warning
Fuel Gauge Available
Yes (Manual Reserve Tap)
Low Fuel Warning
Fuel Gauge Available
Yes (Manual Reserve Tap)
Performance & Speed
Top Speed
60 KMPH
$\sim 105-110 \text{ kmph}$ (Approximate)
Top Speed
60 KMPH
$\sim 105-110 \text{ kmph}$ (Approximate)
Acceleration (0-60)
N/A
N/A (Very Quick for its era)
Acceleration (0-60)
N/A
N/A (Very Quick for its era)
Acceleration (0-100)
Not Applicable
N/A
Acceleration (0-100)
Not Applicable
N/A
Quick Shifter
Not Available
No
Quick Shifter
Not Available
No
Launch Control
Not Available
No
Launch Control
Not Available
No
Traction Control
Not Available
No
Traction Control
Not Available
No
Transmission & Drive
Number of Gears
4
4-Speed (Some international versions may have been 5-speed)
Number of Gears
4
4-Speed (Some international versions may have been 5-speed)
Gear Pattern
All Down (Estimated) or N-1-2-3-4
All Up / N-1-2-3-4 (Varies by market)
Gear Pattern
All Down (Estimated) or N-1-2-3-4
All Up / N-1-2-3-4 (Varies by market)
Gear Ratios
N/A
N/A
Gear Ratios
N/A
N/A
Primary Drive
N/A
N/A
Primary Drive
N/A
N/A
Final Drive
Chain
Chain
Final Drive
Chain
Chain
Drive Chain/Belt Type
Chain
N/A
Drive Chain/Belt Type
Chain
N/A
Chain/Belt Life
N/A
N/A
Chain/Belt Life
N/A
N/A
Dimensions & Weight
Overall Length
1875 mm
2040 mm
Overall Length
1875 mm
2040 mm
Overall Width
750 mm
760 mm
Overall Width
750 mm
760 mm
Overall Height
1040 mm
1087 mm
Overall Height
1040 mm
1087 mm
Wheelbase
1210 mm
1260 mm
Wheelbase
1210 mm
1260 mm
Ground Clearance
135 mm
162 mm
Ground Clearance
135 mm
162 mm
Seat Height
N/A
N/A
Seat Height
N/A
N/A
Step-up Seat Height
N/A
N/A
Step-up Seat Height
N/A
N/A
Kerb Weight
87 KG
$120 \text{ kg}$
Kerb Weight
87 KG
$120 \text{ kg}$
Gross Weight
N/A
N/A
Gross Weight
N/A
N/A
Battery Weight
N/A
N/A
Battery Weight
N/A
N/A
Brakes & Safety
Front Brake Type
Drum
130 mm Drum
Front Brake Type
Drum
130 mm Drum
Rear Brake Type
Drum
130 mm Drum
Rear Brake Type
Drum
130 mm Drum
Front Brake Size
N/A
$130 \text{ mm}$
Front Brake Size
N/A
$130 \text{ mm}$
Rear Brake Size
N/A
$130 \text{ mm}$
Rear Brake Size
N/A
$130 \text{ mm}$
ABS Type
Not Available
No
ABS Type
Not Available
No
Brake Pad Life
N/A
N/A
Brake Pad Life
N/A
N/A
Braking Distance
N/A
N/A
Braking Distance
N/A
N/A
Regenerative Braking
Not Applicable
No
Regenerative Braking
Not Applicable
No
Anti-Theft System
Handle Lock
No
Anti-Theft System
Handle Lock
No
Central Lock
Not Available
N/A
Central Lock
Not Available
N/A
Remote Lock
Not Available
N/A
Remote Lock
Not Available
N/A
Handle Lock
Yes
Yes
Handle Lock
Yes
Yes
Steering Lock
Yes
Yes
Steering Lock
Yes
Yes
Suspension & Handling
Front Suspension Type
Telescopic Fork
Telescopic Forks
Front Suspension Type
Telescopic Fork
Telescopic Forks
Rear Suspension Type
Twin Shock (Sleeve type with oil dampening)
Twin Shock Absorbers ($5$ step adjustable hydraulic)
Rear Suspension Type
Twin Shock (Sleeve type with oil dampening)
Twin Shock Absorbers ($5$ step adjustable hydraulic)
Front Suspension Travel
N/A
N/A
Front Suspension Travel
N/A
N/A
Rear Suspension Travel
N/A
N/A
Rear Suspension Travel
N/A
N/A
Adjustable Controls
Not Available
No
Adjustable Controls
Not Available
No
Climbing Ability
N/A
N/A
Climbing Ability
N/A
N/A
Wheels & Tires
Front Tyre Size
2.5−17
2.75 x 18 - 4 PR
Front Tyre Size
2.5−17
2.75 x 18 - 4 PR
Rear Tyre Size
2.75−17
3.00 x 18 - 6 PR
Rear Tyre Size
2.75−17
3.00 x 18 - 6 PR
Front Wheel Size
17 inch
$18 \text{ inch}$
Front Wheel Size
17 inch
$18 \text{ inch}$
Rear Wheel Size
17 inch
$18 \text{ inch}$
Rear Wheel Size
17 inch
$18 \text{ inch}$
Tyre Type
Tube Tyre
Tube Type (Historically)
Tyre Type
Tube Tyre
Tube Type (Historically)
Tyre Brand
N/A
N/A
Tyre Brand
N/A
N/A
Tyre Life
N/A
N/A
Tyre Life
N/A
N/A
Wheel Type
Spoke Wheel
Spoke / Alloy (Varied by variant/market)
Wheel Type
Spoke Wheel
Spoke / Alloy (Varied by variant/market)
Wheel Material
Steel
N/A
Wheel Material
Steel
N/A
Electrical & Battery
Motor Efficiency
Not Applicable
N/A
Motor Efficiency
Not Applicable
N/A
Motor Life
Not Applicable
N/A
Motor Life
Not Applicable
N/A
Motor Placement
Not Applicable
N/A
Motor Placement
Not Applicable
N/A
Motor Controller
Not Applicable
N/A
Motor Controller
Not Applicable
N/A
Controller Voltage
Not Applicable
N/A
Controller Voltage
Not Applicable
N/A
Controller Life
Not Applicable
N/A
Controller Life
Not Applicable
N/A
Battery Voltage
N/A
N/A
Battery Voltage
N/A
N/A
Battery Rating
N/A
N/A
Battery Rating
N/A
N/A
Battery Life
N/A
N/A
Battery Life
N/A
N/A
Battery Warranty
N/A
N/A
Battery Warranty
N/A
N/A
Battery Removable
N/A
N/A
Battery Removable
N/A
N/A
Battery Replacement Cost
N/A
N/A
Battery Replacement Cost
N/A
N/A
Battery Health Check
N/A
N/A
Battery Health Check
N/A
N/A
Battery Life Indicator
N/A
N/A
Battery Life Indicator
N/A
N/A
Battery Management System
Not Applicable
N/A
Battery Management System
Not Applicable
N/A
Charging Time
Not Applicable
N/A
Charging Time
Not Applicable
N/A
Charging Port
Not Applicable
N/A
Charging Port
Not Applicable
N/A
Charging Input
Not Applicable
N/A
Charging Input
Not Applicable
N/A
Fast Charging
Not Applicable
N/A
Fast Charging
Not Applicable
N/A
USB Charging
Not Available
No
USB Charging
Not Available
No
Lighting & Display
Error Code Display
Not Available
No
Error Code Display
Not Available
No
Headlight Type
Halogen (Standard Bulb)
Halogen Bulb
Headlight Type
Halogen (Standard Bulb)
Halogen Bulb
Tail Light Type
Bulb
Halogen Bulb
Tail Light Type
Bulb
Halogen Bulb
Turn Signal Type
Bulb
Halogen Bulb
Turn Signal Type
Bulb
Halogen Bulb
DRL
Not Available
No
DRL
Not Available
No
Hazard Light
Not Available
No
Hazard Light
Not Available
No
Display Type
Analog
Analogue
Display Type
Analog
Analogue
Speedometer Type
Analog
Analogue
Speedometer Type
Analog
Analogue
Odometer Type
Analog
Analogue
Odometer Type
Analog
Analogue
Tachometer Type
Not Available
Analogue
Tachometer Type
Not Available
Analogue
Fuel Gauge Type
Analog
Analogue
Fuel Gauge Type
Analog
Analogue
Clock
Not Available
No
Clock
Not Available
No
Pass Light Switch
N/A
No
Pass Light Switch
N/A
No
Side Stand Indicator
Not Available
No
Side Stand Indicator
Not Available
No
Technology & Features
Trip Meter
Not Available
Analogue (Single)
Trip Meter
Not Available
Analogue (Single)
Mobile Connectivity
Not Available
No
Mobile Connectivity
Not Available
No
Bluetooth Features
Not Available
No
Bluetooth Features
Not Available
No
Navigation
Not Available
No
Navigation
Not Available
No
Riding Modes
Not Available
No
Riding Modes
Not Available
No
Parking Mode
Not Available
N/A
Parking Mode
Not Available
N/A
Reverse Mode
Not Available
N/A
Reverse Mode
Not Available
N/A
Comfort & Ergonomics
Wind Protection
No
Small Headlamp Fairing
Wind Protection
No
Small Headlamp Fairing
Pillion Seat
Yes
Yes
Pillion Seat
Yes
Yes
Pillion Footrest
Yes
Yes
Pillion Footrest
Yes
Yes
Pillion Grab Rails
Yes
Yes
Pillion Grab Rails
Yes
Yes
Footpeg Position
Commuter
Commuter (Forward)
Footpeg Position
Commuter
Commuter (Forward)
Storage Compartments
No
No
Storage Compartments
No
No
Under Seat Storage
No
No
Under Seat Storage
No
No
Pricing & Availability
Ex-showroom Price
N/A
Discontinued
Ex-showroom Price
N/A
Discontinued
On-Road Price
N/A
Discontinued
On-Road Price
N/A
Discontinued
Regular Price
72,000 BDT
$\text{Tk. 1,20,000}$ (Original Price $\sim 1998$)
Regular Price
72,000 BDT
$\text{Tk. 1,20,000}$ (Original Price $\sim 1998$)
Special Price
N/A
N/A
Special Price
N/A
N/A
Registration Cost
Separate (Standard BDT road tax/fees)
N/A
Registration Cost
Separate (Standard BDT road tax/fees)
N/A
Insurance Cost
Separate (Standard BDT insurance fees)
N/A
Insurance Cost
Separate (Standard BDT insurance fees)
N/A
EMI Options
Varies by seller
Not Available
EMI Options
Varies by seller
Not Available
Distributor/Seller
Rupsha Trading Corporation (Historically)
Discontinued (Used Market)
Distributor/Seller
Rupsha Trading Corporation (Historically)
Discontinued (Used Market)
Service Cost
Low
Moderate (Due to 2-Stroke specific needs)
Service Cost
Low
Moderate (Due to 2-Stroke specific needs)
Running Cost
Very Low
Moderate (Lower mileage than modern 4-strokes)
Running Cost
Very Low
Moderate (Lower mileage than modern 4-strokes)
Service & Maintenance
Air Filter Service Interval
N/A
N/A
Air Filter Service Interval
N/A
N/A
Service Reminder
Not Available
No
Service Reminder
Not Available
No
Spare Parts Availability
Moderate (Through distributor and local market)
Limited (Often requires specialized sourcing or after-market parts)
Spare Parts Availability
Moderate (Through distributor and local market)
Limited (Often requires specialized sourcing or after-market parts)
Service Intervals
N/A
N/A (Dependent on owner/mechanic)
Service Intervals
N/A
N/A (Dependent on owner/mechanic)
Warranty Terms
N/A (Varies by seller/distributor)
N/A
Warranty Terms
N/A (Varies by seller/distributor)
N/A