125cc Engine(1000+)
125CC 4‑Stroke Complete Motorcycle Engine, 4‑Speed Manual Clutch Air‑Cooled Motor for Honda CRF50 CRF70 XR50 XR70 Z50 $285.00

125CC 4‑Stroke Complete Motorcycle Engine, 4‑Speed Manual Clutch Air‑Cooled Motor for Honda CRF50 CRF70 XR50 XR70 Z50
125cc 4-Stroke ATV Engine with Automatic Clutch, 7.64HP, 3 Forward 1 Reverse Gear for Quadricycle Tricycle Beach Vehicle $319.00

125cc 4-Stroke ATV Engine with Automatic Clutch, 7.64HP, 3 Forward 1 Reverse Gear for Quadricycle Tricycle Beach Vehicle
Haraisyo 125cc 4‑Stroke ATV Engine, Automatic Clutch, 7.64 HP 3 Forward 1 Reverse Gear Motor, for ATV, Beach Vehicle, Tricycle & Quadricycle $344.00

Haraisyo 125cc 4‑Stroke ATV Engine, Automatic Clutch, 7.64 HP 3 Forward 1 Reverse Gear Motor, for ATV, Beach Vehicle, Tricycle & Quadricycle
Performance GY6 150cc Carburetor PD24J Ignition Coil Throttle Cable Kit for 125cc Taotao Scooter Moped 152QMI 157QMJ Engine Roketa Motorcycle ATV Go Kart Parts with Starter Solenoid $45.99

Performance GY6 150cc Carburetor PD24J Ignition Coil Throttle Cable Kit for 125cc Taotao Scooter Moped 152QMI 157QMJ Engine Roketa Motorcycle ATV Go Kart Parts with Starter Solenoid
Best seller, ALL-CARB 125cc Semi Auto Engine Motor for Go Kart Cart ATV Quad Taotao Coolster Buggy SSR $184.64

ALL-CARB 125cc Semi Auto Engine Motor for Go Kart Cart ATV Quad Taotao Coolster Buggy SSR
Best seller, OTTULUR 125cc 3-Speed w/Reverse Semi Auto Engine Motor For Go Kart Cart ATV $129.71

OTTULUR 125cc 3-Speed w/Reverse Semi Auto Engine Motor For Go Kart Cart ATV
ALL-CARB 4 Stroke 125cc Motorcycle Engine Single Cylinder Silver For Honda CRF50F XR50R $212.68

ALL-CARB 4 Stroke 125cc Motorcycle Engine Single Cylinder Silver For Honda CRF50F XR50R
Waltyotur For Honda XR50R 4 Stroke 125cc Motorcycle Engine Single Cylinder Silver $212.69

Waltyotur For Honda XR50R 4 Stroke 125cc Motorcycle Engine Single Cylinder Silver
LABLT 125cc 3-Speed w/Reverse Semi Auto Engine Motor For Go Kart Cart ATV $200.03

LABLT 125cc 3-Speed w/Reverse Semi Auto Engine Motor For Go Kart Cart ATV
125CC 4Stroke Complete Motorcycle Engine, 4Speed Manual Clutch AirCooled Motor for Honda CRF50 CRF70 XR50 XR70 Z50 $285.00

125CC 4Stroke Complete Motorcycle Engine, 4Speed Manual Clutch AirCooled Motor for Honda CRF50 CRF70 XR50 XR70 Z50
PZ26 Carburetor Carb Kit Fit for CG 125cc 150cc 250cc TRX200 TRX250 ATC185 XR100 CRF100 CB125 TaoTao Zongshen Lifan Sunl 4 Stroke Engine ATV Quad Dirt Pit Bike Go Kart Components $23.99

PZ26 Carburetor Carb Kit Fit for CG 125cc 150cc 250cc TRX200 TRX250 ATC185 XR100 CRF100 CB125 TaoTao Zongshen Lifan Sunl 4 Stroke Engine ATV Quad Dirt Pit Bike Go Kart Components
Replacement Carburetor 125cc 200cc 250cc 4-stroke for Atv, Easy Install & Stable Performance $57.89

Replacement Carburetor 125cc 200cc 250cc 4-stroke for Atv, Easy Install & Stable Performance
125CC 4-Stroke Single Cylinder Engine Motor, Air Cooled Electric Foot Start 5.5KW Replacement Engine for Dirt Bike ATV Go Kart Quad See price in cart

125CC 4-Stroke Single Cylinder Engine Motor, Air Cooled Electric Foot Start 5.5KW Replacement Engine for Dirt Bike ATV Go Kart Quad
Labwork 125cc For Go Kart Cart ATV Quad Taotao Coolster Buggy SS Semi Auto Engine Motor $199.41

Labwork 125cc For Go Kart Cart ATV Quad Taotao Coolster Buggy SS Semi Auto Engine Motor
SEBLAFF 4 Stroke 125cc ATV Engine Motor 3-Speed Semi Auto w/Reverse For ATV Quad Go Kart $239.81

SEBLAFF 4 Stroke 125cc ATV Engine Motor 3-Speed Semi Auto w/Reverse For ATV Quad Go Kart
125cc 4-Stroke ATV Motor All-Terrain Vehicle Engine Black for ATVs Beach Vehicles Tricycles Quadricycles See price in cart

125cc 4-Stroke ATV Motor All-Terrain Vehicle Engine Black for ATVs Beach Vehicles Tricycles Quadricycles
125cc 4-Stroke Single Cylinder Engine, Air Cooled Kick Start Motor With Manual Clutch, Fits Mini Dirt Bike $276.44

125cc 4-Stroke Single Cylinder Engine, Air Cooled Kick Start Motor With Manual Clutch, Fits Mini Dirt Bike
munirater 4 Stroke 125cc ATV Engine Motor 3-Speed Semi Auto w/Reverse For ATV Quad Go Kart $200.58

munirater 4 Stroke 125cc ATV Engine Motor 3-Speed Semi Auto w/Reverse For ATV Quad Go Kart
SEBLAFF 4 Stroke 125cc ATV Engine Motor 3-Speed Semi Auto w/Reverse For ATV Quad Go Kart $199.76

SEBLAFF 4 Stroke 125cc ATV Engine Motor 3-Speed Semi Auto w/Reverse For ATV Quad Go Kart
Genrics 125cc For Go Kart Cart ATV Quad Taotao Coolster Buggy SS Semi Auto Engine Motor $200.55

Genrics 125cc For Go Kart Cart ATV Quad Taotao Coolster Buggy SS Semi Auto Engine Motor
Pit Dirt Bike 3 Bolt Starter Motor and Solenoid Relay Compatible with Coolster Tao Tao 50cc 110cc 125cc Kazuma Coleman Baja 4 Wheeler Quad Chinese ATV Parts SSR Go Kart Pit Bike Parts $35.14

Pit Dirt Bike 3 Bolt Starter Motor and Solenoid Relay Compatible with Coolster Tao Tao 50cc 110cc 125cc Kazuma Coleman Baja 4 Wheeler Quad Chinese ATV Parts SSR Go Kart Pit Bike Parts
PZ19 19mm Carburetor with Cable Choke Compatible with 90cc 110cc 125cc 4-Stroke Engines for ATV Quad Dirt Bike, Easy Cold Start and Smooth Power $28.49

PZ19 19mm Carburetor with Cable Choke Compatible with 90cc 110cc 125cc 4-Stroke Engines for ATV Quad Dirt Bike, Easy Cold Start and Smooth Power
X-PRO 125cc 4-Stroke ATV Engine with Automatic Transmission, Reverse, Electric Start $328.95

X-PRO 125cc 4-Stroke ATV Engine with Automatic Transmission, Reverse, Electric Start
4 Stroke 125cc Semi Auto Engine Motor 3 Speed + Reverse Electric Start w/Wiring Harness for ATV Quad Buggy Go Kart Four Wheelers Taotao Coolster Kazuma 50cc 70cc 90cc 110cc ATC70 TRX90 $409.99

4 Stroke 125cc Semi Auto Engine Motor 3 Speed + Reverse Electric Start w/Wiring Harness for ATV Quad Buggy Go Kart Four Wheelers Taotao Coolster Kazuma 50cc 70cc 90cc 110cc ATC70 TRX90
125CC 4-Stroke ATV Motor Engine,7.64HP,7500RPM.4-Speed Manual, Air Cooled,Durable Aluminum & Cast Steel.Ideal for ATVs,Go-Karts $313.50

125CC 4-Stroke ATV Motor Engine,7.64HP,7500RPM.4-Speed Manual, Air Cooled,Durable Aluminum & Cast Steel.Ideal for ATVs,Go-Karts
4-Stroke 125cc All-Terrain Vehicle Engine Motor with Automatic Clutch Electric Start w/ Reverse For GO Kart $334.99

4-Stroke 125cc All-Terrain Vehicle Engine Motor with Automatic Clutch Electric Start w/ Reverse For GO Kart
ALL-CARB 125cc 4 Stroke Engine Motor Kit Dirt Pit Bike For Honda CRF50 XR50 Z50 $202.77 Was $221.07

ALL-CARB 125cc 4 Stroke Engine Motor Kit Dirt Pit Bike For Honda CRF50 XR50 Z50
SHZAITOR 125CC 4 Stroke Motor Engine Pit Dirt Bike ATV Quad Fit For Honda CRF50 XR50 Z50 $221.75

SHZAITOR 125CC 4 Stroke Motor Engine Pit Dirt Bike ATV Quad Fit For Honda CRF50 XR50 Z50
X-PRO 125cc ATV Engine Motor 4-Stroke w/Automatic Transmission, Electric Start, NO Reverse $328.95

X-PRO 125cc ATV Engine Motor 4-Stroke w/Automatic Transmission, Electric Start, NO Reverse
125cc Engine 4 Stroke Motor Semi-Auto for ATV Four Wheelers Quad Bikes $387.69

125cc Engine 4 Stroke Motor Semi-Auto for ATV Four Wheelers Quad Bikes
Clearance, Short Output Shaft for GY6 125cc 150cc Engine Bearing ATV Scooter Go Kart See price in cart

Short Output Shaft for GY6 125cc 150cc Engine Bearing ATV Scooter Go Kart
GXJZY2676 PD24J Carburetor for GY6 125cc 150cc 4-Stroke Engine ATV Scooter Moped Go Kart, Fits 157QMJ 152QMI 24mm Intake Gas Carb Parts $28.88

GXJZY2676 PD24J Carburetor for GY6 125cc 150cc 4-Stroke Engine ATV Scooter Moped Go Kart, Fits 157QMJ 152QMI 24mm Intake Gas Carb Parts
4 Stroke 125cc Semi Auto Engine Motor 3 Speed + Reverse W/Wiring Harness and 12V Battery for ATV Quad Buggy Go Kart Four Wheelers Tricycle Taotao Coolster Upgrade 50cc 70cc 90cc 110cc $449.99

4 Stroke 125cc Semi Auto Engine Motor 3 Speed + Reverse W/Wiring Harness and 12V Battery for ATV Quad Buggy Go Kart Four Wheelers Tricycle Taotao Coolster Upgrade 50cc 70cc 90cc 110cc
SHZAITOR 125cc Semi Auto Engine Motor for Go Kart Cart ATV Quad Taotao Coolster Buggy SSR $203.63

SHZAITOR 125cc Semi Auto Engine Motor for Go Kart Cart ATV Quad Taotao Coolster Buggy SSR
Waltyotur 125cc Semi Auto Engine Motor for Go Kart Cart ATV Quad Taotao Coolster Buggy SSR $225.51

Waltyotur 125cc Semi Auto Engine Motor for Go Kart Cart ATV Quad Taotao Coolster Buggy SSR
125CC 4-Stroke Engine Motor Kit, Semi-Automatic Transmission with Electric Start, Complete Engine Assembly with Wiring Harness and Carburetor for ATV, Dirt Bike, Go Kart and Quad $289.00

125CC 4-Stroke Engine Motor Kit, Semi-Automatic Transmission with Electric Start, Complete Engine Assembly with Wiring Harness and Carburetor for ATV, Dirt Bike, Go Kart and Quad
125cc 4-Stroke Engine with Electric Start Air-Cooled Single Cylinder Motor with Reverse Gear & PZ19 Carburetor CDI Ignition for ATV, Dirt Bike, Go Kart, Pit Bike, Quad $342.00

125cc 4-Stroke Engine with Electric Start Air-Cooled Single Cylinder Motor with Reverse Gear & PZ19 Carburetor CDI Ignition for ATV, Dirt Bike, Go Kart, Pit Bike, Quad
17.32*11.4*8.66in 4-stroke Engine,Black 125cc Engine,4-stroke Engin For CRF50 / CRF70 / XR50 / XR70 $314.00

17.32*11.4*8.66in 4-stroke Engine,Black 125cc Engine,4-stroke Engin For CRF50 / CRF70 / XR50 / XR70
125CC 4stroke ATV Engine Motor Semi-Auto w/Reverse Electric Start For GO Karts $325.00

125CC 4stroke ATV Engine Motor Semi-Auto w/Reverse Electric Start For GO Karts
125cc 4-Stroke ATV Engine, 3 Forward 1 Reverse Gear, Automatic Clutch 7.64HP Motor For Quad Beach Buggy $304.09

125cc 4-Stroke ATV Engine, 3 Forward 1 Reverse Gear, Automatic Clutch 7.64HP Motor For Quad Beach Buggy
GY6 150cc Single Cylinder Engine,Direct Replacement Engine,Aluminum Alloy & Air Cooling,CVT Transmission,125cc & China 150cc Two-Wheel Vehicles $449.66

GY6 150cc Single Cylinder Engine,Direct Replacement Engine,Aluminum Alloy & Air Cooling,CVT Transmission,125cc & China 150cc Two-Wheel Vehicles
ANQIDI 125CC 4-Stroke Engine Motor Semi-Auto Horizontal Motor w/Reverse Electrical Start CDI Air-Cooled for ATV Go Kart Mini Bike $329.00

ANQIDI 125CC 4-Stroke Engine Motor Semi-Auto Horizontal Motor w/Reverse Electrical Start CDI Air-Cooled for ATV Go Kart Mini Bike
125CC 4-Stroke Single Cylinder Engine Motor, Electric & Foot Start For ATV, Dirt Bike, Go Kart, Buggy $331.73

125CC 4-Stroke Single Cylinder Engine Motor, Electric & Foot Start For ATV, Dirt Bike, Go Kart, Buggy
Lifan 125cc Horizontal Semi Auto Engine Motor Kick Start for CRF70 CRF70F Z50 XR $498.97

Lifan 125cc Horizontal Semi Auto Engine Motor Kick Start for CRF70 CRF70F Z50 XR
X-PRO ZongShen 125cc 4 stroke Pit Dirt Bikes Engine Motor w/Manual Transmission Kick Start $318.95

X-PRO ZongShen 125cc 4 stroke Pit Dirt Bikes Engine Motor w/Manual Transmission Kick Start
For 125CC Silver 4-Stroke Single-Cylinder Engine for Go Kart/ATV, 5.5KW Power, Electric & Foot Start, Die-Cast Iron/Aluminum, Direct Replacement $342.00 Was $379.99

For 125CC Silver 4-Stroke Single-Cylinder Engine for Go Kart/ATV, 5.5KW Power, Electric & Foot Start, Die-Cast Iron/Aluminum, Direct Replacement
125cc 4-Stroke Engine Motor, 7.64HP Air-Cooled Single Cylinder, CDI Ignition, PZ22 Carburetor, Kick Start, Manual Multi-Plate Wet ClutchReplacement Engine for Go Kart/ATV/Pit Dirt Bike $285.30

125cc 4-Stroke Engine Motor, 7.64HP Air-Cooled Single Cylinder, CDI Ignition, PZ22 Carburetor, Kick Start, Manual Multi-Plate Wet ClutchReplacement Engine for Go Kart/ATV/Pit Dirt Bike
4-speed, Manual Clutch CRF50 125CC Engine Single Cylinder, 4 Stroke Engine, Kick-starter Engine $314.00

4-speed, Manual Clutch CRF50 125CC Engine Single Cylinder, 4 Stroke Engine, Kick-starter Engine
4 Stroke 125cc Semi Auto Engine Motor 3 Speed + Reverse for ATV Quad Buggy Go Kart Four Wheelers Tricycle Taotao Coolster Kazuma 110cc ATC70 TRX90 $365.99

4 Stroke 125cc Semi Auto Engine Motor 3 Speed + Reverse for ATV Quad Buggy Go Kart Four Wheelers Tricycle Taotao Coolster Kazuma 110cc ATC70 TRX90
FAQ
How fast can a 125cc engine go?
The top speed of a 125cc engine depends on the type of vehicle and how it's used. Most 125cc engines in ATVs, dirt bikes, or go-karts typically reach speeds between 40 and 60 mph. Factors like weight, terrain, and transmission type can impact performance. Always check your owner's manual for specific details and remember to follow all local speed and safety regulations when riding.
What should I know before buying a 125cc engine?
- Compatibility: Make sure the engine fits your ATV, dirt bike, or go-kart model.
- Transmission Type: Options include manual, semi-auto, and automatic. Choose based on your riding preference.
- Start Mechanism: Engines may offer kick start or electric start features.
- Cooling System: Most are air-cooled, which is great for casual riding.
- Installation: Some engines are direct replacements, while others may require additional parts or wiring.
Review product details and consult with a mechanic if you’re unsure about compatibility.
Can a 125cc engine handle off-road riding?
Many 125cc engines are designed for off-road vehicles like dirt bikes, ATVs, and go-karts. They offer enough power for trails, light jumps, and uneven terrain. Look for features like air cooling and durable construction for better performance. Always wear protective gear and follow safety guidelines when riding off-road.
How much does a 125cc engine weigh?
The weight of a 125cc engine varies by model and features, but most fall between 40 and 60 pounds. Transmission type, cooling system, and included accessories can affect the total weight. If you're replacing an engine, check the specs to ensure your vehicle can support the new engine safely.
Is a 125cc engine good for beginners?
A 125cc engine is often considered a solid choice for new riders, especially on ATVs and dirt bikes. It offers manageable power and is easier to control compared to larger engines. Beginners should start with automatic or semi-auto transmissions for a smoother learning curve. Always follow age and safety recommendations, and consider supervised riding for younger users.
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