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Main Wiring Harness for 50cc 70cc 90cc 110cc 125cc Chinese ATV Dirt Bike Go Kart
Main Wiring Harness for 50cc 70cc 90cc 110cc 125cc Chinese ATV Dirt Bike Go Kart
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Product Overview
Replacement main wiring harness assembly for selected 4-stroke 50cc, 70cc, 90cc, 110cc, and 125cc Chinese ATVs, 4-wheelers, quads, dirt bikes, pit bikes, go karts, and buggies.
This harness is designed to connect multiple components in a compatible vehicle electrical system, including the ignition switch, key switch, regulator/rectifier, switch assembly, starter solenoid relay, CDI, ignition coil, and battery.
Product Compatibility
| Vehicle / Application | Engine Size | Fitment Notes |
|---|---|---|
| Chinese ATV / 4 Wheeler | 50cc | Selected 4-stroke applications |
| Chinese ATV / Quad | 70cc | Verify complete connector layout |
| Chinese ATV / Quad | 90cc | Selected compatible wiring systems |
| Chinese ATV / Quad | 110cc | Verify CDI and electrical configuration |
| Chinese ATV / Quad | 125cc | Selected 4-stroke applications |
| Dirt Bike / Pit Bike | 50cc–125cc | Verify complete harness layout |
| Go Kart / Buggy | 50cc–125cc | Selected compatible applications |
| Bobber | 125cc | Listed application; verify wiring |
| Redcat | 125cc | Listed application; verify wiring |
Listed Engine Sizes
50cc / 70cc / 90cc / 110cc / 125cc
Not Compatible With
The original product information specifically lists this harness as not compatible with:
- Lifan KP Mini 150cc
- 2008 Agility 50cc Scooter
Do not assume compatibility with other scooters or 150cc applications unless the complete wiring configuration matches.
Electrical Connections
The harness is listed with connections for compatible:
- Ignition Switch
- Key Switch
- Regulator / Rectifier
- Handlebar / Switch Assembly
- Starter Solenoid Relay
- CDI / Ignition Module
- Ignition Coil
- Battery
Exact connectors and pin configurations should be confirmed from the product images before ordering.
Specifications
| Specification | Details |
|---|---|
| Product Type | Main Wiring Harness Assembly |
| Engine Type | 4-Stroke |
| Listed Engine Sizes | 50cc / 70cc / 90cc / 110cc / 125cc |
| Primary Application | Chinese Powersports Vehicles |
| Vehicle Types | ATV / Quad / Dirt Bike / Pit Bike / Go Kart / Buggy |
| Listed Special Applications | 125cc Bobber / 125cc Redcat |
| Ignition System Connection | CDI / Ignition Coil |
| Starting System Connection | Starter Solenoid / Battery |
| Charging System Connection | Regulator / Rectifier |
| Replacement Type | Aftermarket |
| Condition | New |
Key Features
- Multi-Component Wiring Harness: Connects major starting, ignition, charging, and control-system components in compatible vehicles.
- 50cc–125cc Applications: Listed for selected Chinese 4-stroke powersports platforms.
- ATV & Dirt Bike Fitment: Suitable for compatible ATVs, quads, pit bikes, dirt bikes, go karts, and buggies.
- Major Electrical Connections: Includes connections for compatible CDI, ignition coil, rectifier, starter solenoid, ignition switch, and battery circuits.
- Replacement Main Harness: Designed to replace a compatible damaged, deteriorated, modified, or incomplete original wiring harness.
Condividi

Domande frequenti sulla compatibilità
Questa parte è compatibile con il mio modello e anno specifici?
This harness is listed for selected 4-stroke 50cc, 70cc, 90cc, 110cc, and 125cc Chinese ATVs and related powersports vehicles.
Engine displacement alone does not guarantee compatibility. Compare the complete connector and wiring layout with your original harness.
Devo corrispondere al numero di parte OEM?
A quali modelli o situazioni non si adatta questa parte?
The original listing specifically excludes:
Lifan KP Mini 150cc
2008 Agility 50cc Scooter
Also, do not assume compatibility with:
Every Chinese 50cc–125cc vehicle
150cc applications
Every scooter
Vehicles using a different CDI configuration
Different regulator/rectifier connectors
Different ignition-switch wiring
Different starter-solenoid connectors
Harnesses with different branch lengths or connector layouts
Cosa dovrei controllare prima di ordinare?
Compare your original harness with the product images and confirm:
4-stroke engine
Engine displacement
CDI connector and pin count
AC or DC ignition-system configuration
Regulator/rectifier connector
Ignition-switch connector
Starter-solenoid connection
Ignition-coil connection
Battery terminals
Switch connectors
Fuse holder configuration
Ground connections
Number and position of harness branches
Overall harness layout
For a complete wiring harness, connector layout is more important than engine displacement alone.