logo
Products
PRODUCTS DETAILS
Home > Products >
123.7cc Engine Underbone Motorcycle with 4-Speed Semi-Automatic Clutch and Electric & Kick Start
Products

Underbone Motorcycle

OFF Road Motorcycle

Street Bike

Cruiser Motorcycle

Adventure Motorcycle

Electric Performance Motorcycle

Electric Underbone Motorcycle

Electric Dirt Motorcycle
Contact Us
teresazfyctopmoto@163.com
0086-13983007812
WeChat
Contact Now
  • name
  • name
  • name
  • name
  • name
  • name

123.7cc Engine Underbone Motorcycle with 4-Speed Semi-Automatic Clutch and Electric & Kick Start

MOQ: 100
Price: Price negotiable
Standard Packaging: CKD,SKD,CBU
Delivery Period: 5-12 weeks
Payment Method: L/C,T/T
Supply Capacity: 1000Unit/Month
Detail Information
Product Description
Detail Information
Place of Origin
CHINA
Brand Name
ZFYC
Model Number
KUP-W
Engine Type:
Single-cylinder, Horizontal, Air-cooled
Displacement:
123.7 Cc
Max. Power:
6.3 KW @ 7,500 Rpm
Max. Torque:
8.8 N·m @ 5,500 Rpm
Front Suspension:
Telescopic Hydraulic Fork
Rear Suspension:
Dual Shock Absorbers
Highlight:

123.7cc Underbone Motorcycle

,

Electric Start enduro cross bikes

,

Kick Start enduro cross bike

Product Description
125cc Motorcycle with Semi-Automatic Transmission
This 123.7cc motorcycle features a reliable single-cylinder horizontal air-cooled engine, delivering 6.3kW maximum power and 8.8N*m torque. Equipped with CDI ignition and both electric and kick start systems, it ensures stable performance and easy starting in any condition. The 4-speed semi-automatic clutch provides smooth and simple operation for riders of all experience levels.
Key Features
  • 125cc horizontal single-cylinder air-cooled engine
  • Electric & kick start for reliable ignition
  • 4-speed semi-automatic clutch for easy operation
  • Front and rear drum brakes for safety
  • CDI ignition system for stable performance
  • Chain drive final transmission
Technical Specifications
Engine & Performance
Engine Type Single-cylinder, horizontal, air-cooled
Bore × Stroke 54.0 mm × 54.0 mm
Displacement 123.7 cc
Compression Ratio 9.0 : 1
Max. Power 6.3 kW @ 7,500 rpm
Max. Torque 8.8 N*m @ 5,500 rpm
Ignition System CDI
Starting System Electric & kick start
Magneto 8-pole, full-wave AC
Transmission & Drivetrain
Transmission 4-speed, semi-automatic clutch
Final Drive Chain drive
Primary Reduction Ratio 4.06
1st Gear Ratio 2.833
2nd Gear Ratio 1.705
3rd Gear Ratio 1.238
4th Gear Ratio 0.958
Chassis & Suspension
Front Suspension Telescopic hydraulic fork
Rear Suspension Dual shock absorbers
Front Brake Drum brake
Rear Brake Drum brake
Wheels & Tires
Front Tire 2.50-17 (standard tire)
Rear Tire 2.75-17 (standard tire)
Front Wheel Spoked wheel (optional aluminum wheel)
Rear Wheel Spoked wheel (optional aluminum wheel)
Dimensions & Capacity
Overall Dimensions (L × W × H) 1900 × 720 × 1080 mm
Wheelbase 1260 mm
Seat Height 770 mm
Ground Clearance 140 mm
Net Weight 95 kg
Max. Load Capacity 150 kg
Performance & Electrical
Max. Speed 75 km/h
Climbing Ability ≥ 12°
Fuel Tank Capacity 3.1 L
Helmet Box Capacity Full-face helmet
Headlight Halogen bulb, 12V 35W (low beam 5W / high beam 12W)
Taillight Halogen bulb, 12V 21W / 5W
Front Turn Signals Halogen, 12V 10W
Rear Turn Signals Halogen, 12V 10W
Battery 12V 5Ah, maintenance-free gel battery
Optional Accessories: Aluminum wheels, aluminum rear carrier, center carrier
Custom motorcycle orders accepted - Contact us for personalized configurations and special requirements.
Tags: 

enduro motorcycle,  

enduro bike motorcycle,  

under bone motorcycle

Recommended Products
4 Speed Underbone Backbone Motorcycle 95kg 7500rpm Most Reliable Commuter Motorcycle

4 Speed Underbone Backbone Motorcycle 95kg 7500rpm Most Reliable Commuter Motorcycle

Contact Now
Single Cylinder Underbone Motorcycle Semi 80km/H 8500rpm Automatic Motorcycle Motorbike

Single Cylinder Underbone Motorcycle Semi 80km/H 8500rpm Automatic Motorcycle Motorbike

Contact Now
Urban Mobility Under Bone Motorcycle 1870mm 107cc Automatic Enduro Bikes

Urban Mobility Under Bone Motorcycle 1870mm 107cc Automatic Enduro Bikes

Contact Now
Agile City Riding Underbone Motorcycle Daily Comfortable Commute Motorcycle

Agile City Riding Underbone Motorcycle Daily Comfortable Commute Motorcycle

Contact Now
7.2Nm Trail Enduro Motorcycles 150kg Load Capacity Automatic Enduro Motorcycle

7.2Nm Trail Enduro Motorcycles 150kg Load Capacity Automatic Enduro Motorcycle

Contact Now
107cc Underbone Motorcycle 4 Speed 80km/H 95kg City Suburb Electric Enduro Motorcycle

107cc Underbone Motorcycle 4 Speed 80km/H 95kg City Suburb Electric Enduro Motorcycle

Contact Now
Air Cooled Top Underbone Motorcycle Single Cylinder Engine Entry Level Enduro video

Air Cooled Top Underbone Motorcycle Single Cylinder Engine Entry Level Enduro

Contact Now
Products
PRODUCTS DETAILS
Products

Underbone Motorcycle

OFF Road Motorcycle

Street Bike

Cruiser Motorcycle

Adventure Motorcycle

Electric Performance Motorcycle

Electric Underbone Motorcycle

Electric Dirt Motorcycle
  • name
  • name
  • name
  • name
  • name
  • name
123.7cc Engine Underbone Motorcycle with 4-Speed Semi-Automatic Clutch and Electric & Kick Start
MOQ: 100
Price: Price negotiable
Standard Packaging: CKD,SKD,CBU
Delivery Period: 5-12 weeks
Payment Method: L/C,T/T
Supply Capacity: 1000Unit/Month
Detail Information
Product Description
Detail Information
Place of Origin
CHINA
Brand Name
ZFYC
Model Number
KUP-W
Engine Type:
Single-cylinder, Horizontal, Air-cooled
Displacement:
123.7 Cc
Max. Power:
6.3 KW @ 7,500 Rpm
Max. Torque:
8.8 N·m @ 5,500 Rpm
Front Suspension:
Telescopic Hydraulic Fork
Rear Suspension:
Dual Shock Absorbers
Minimum Order Quantity:
100
Price:
Price negotiable
Packaging Details:
CKD,SKD,CBU
Delivery Time:
5-12 weeks
Payment Terms:
L/C,T/T
Supply Ability:
1000Unit/Month
Highlight

123.7cc Underbone Motorcycle

,

Electric Start enduro cross bikes

,

Kick Start enduro cross bike

Product Description
125cc Motorcycle with Semi-Automatic Transmission
This 123.7cc motorcycle features a reliable single-cylinder horizontal air-cooled engine, delivering 6.3kW maximum power and 8.8N*m torque. Equipped with CDI ignition and both electric and kick start systems, it ensures stable performance and easy starting in any condition. The 4-speed semi-automatic clutch provides smooth and simple operation for riders of all experience levels.
Key Features
  • 125cc horizontal single-cylinder air-cooled engine
  • Electric & kick start for reliable ignition
  • 4-speed semi-automatic clutch for easy operation
  • Front and rear drum brakes for safety
  • CDI ignition system for stable performance
  • Chain drive final transmission
Technical Specifications
Engine & Performance
Engine Type Single-cylinder, horizontal, air-cooled
Bore × Stroke 54.0 mm × 54.0 mm
Displacement 123.7 cc
Compression Ratio 9.0 : 1
Max. Power 6.3 kW @ 7,500 rpm
Max. Torque 8.8 N*m @ 5,500 rpm
Ignition System CDI
Starting System Electric & kick start
Magneto 8-pole, full-wave AC
Transmission & Drivetrain
Transmission 4-speed, semi-automatic clutch
Final Drive Chain drive
Primary Reduction Ratio 4.06
1st Gear Ratio 2.833
2nd Gear Ratio 1.705
3rd Gear Ratio 1.238
4th Gear Ratio 0.958
Chassis & Suspension
Front Suspension Telescopic hydraulic fork
Rear Suspension Dual shock absorbers
Front Brake Drum brake
Rear Brake Drum brake
Wheels & Tires
Front Tire 2.50-17 (standard tire)
Rear Tire 2.75-17 (standard tire)
Front Wheel Spoked wheel (optional aluminum wheel)
Rear Wheel Spoked wheel (optional aluminum wheel)
Dimensions & Capacity
Overall Dimensions (L × W × H) 1900 × 720 × 1080 mm
Wheelbase 1260 mm
Seat Height 770 mm
Ground Clearance 140 mm
Net Weight 95 kg
Max. Load Capacity 150 kg
Performance & Electrical
Max. Speed 75 km/h
Climbing Ability ≥ 12°
Fuel Tank Capacity 3.1 L
Helmet Box Capacity Full-face helmet
Headlight Halogen bulb, 12V 35W (low beam 5W / high beam 12W)
Taillight Halogen bulb, 12V 21W / 5W
Front Turn Signals Halogen, 12V 10W
Rear Turn Signals Halogen, 12V 10W
Battery 12V 5Ah, maintenance-free gel battery
Optional Accessories: Aluminum wheels, aluminum rear carrier, center carrier
Custom motorcycle orders accepted - Contact us for personalized configurations and special requirements.
Tags: 

enduro motorcycle,

enduro bike motorcycle,

under bone motorcycle

Quick link
Home Products About Us video News Cases Contact Us
Quick Contact

Address

Building 4, No.2 Xiangyu Road, Shuangfengqiao Subdistrict, Liangjiang New Area, Chongqing

Tel

86--13512337117

17623564514
Our Newsletter
Subscribe to our newsletter for discounts and more.
Privacy Policy |  Sitemap  | China Good Quality Underbone Motorcycle Supplier. Copyright © 2026 Chongqing Summit Yttrium Power Technology Co., Ltd. . All Rights Reserved.