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Cylinder Head Temperature Sensor for GY6 169cc 170cc EFI Engine
Cylinder Head Temperature Sensor for GY6 169cc 170cc EFI Engine
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Product Overview
Replacement Cylinder Head Temperature (CHT) Sensor for selected GY6-style EFI engines, including compatible 169cc and 170cc fuel-injected applications.
The sensor features an approximately 8mm threaded mounting section and 168mm / 6.6 in wire lead. It monitors engine temperature and provides temperature information to the EFI/ECU system for engine-management functions.
Also listed for selected Jonway GTX 250 / EFI 200 applications, but these models should be verified carefully by the original sensor, thread size, connector, and wiring before ordering.
Product Compatibility
| Engine / Vehicle | Fuel System | Fitment Notes |
|---|---|---|
| GY6-Style 169cc Engine | EFI | Verify sensor dimensions and connector |
| GY6-Style 170cc Engine | EFI | Selected compatible applications |
| Jonway GTX 250 | EFI | Verify original sensor before ordering |
| Jonway EFI 200 | EFI | Verify exact model and sensor configuration |
Important: This sensor should not be selected by engine displacement alone. EFI system configuration, thread size, connector, wiring, and sensor specifications must match the original part.
Specifications
| Specification | Details |
|---|---|
| Product Type | Cylinder Head Temperature Sensor |
| Abbreviation | CHT Sensor |
| Application | GY6-Style EFI Engine |
| Fuel System | Electronic Fuel Injection (EFI) |
| Listed Engine Size | 169cc / 170cc |
| Wire Length | Approx. 168 mm / 6.61 in |
| Thread Diameter | Approx. 8 mm / 0.31 in |
| Function | Engine Temperature Monitoring |
| Condition | New |
| Package Quantity | 1 Temperature Sensor |
Key Features
- Engine Temperature Monitoring: Detects cylinder/head temperature for compatible EFI engine-management systems.
- EFI System Application: Provides temperature information used by the ECU for engine-management functions.
- 8mm Thread Reference: Approximately 8mm threaded section provides an important fitment reference.
- 168mm Wire Lead: Approximately 6.6-inch lead for compatible wiring configurations.
- GY6-Style Application: Designed for selected 169cc and 170cc fuel-injected engine configurations.
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Preguntas frecuentes sobre compatibilidad
¿Esta pieza es compatible con mi modelo y año específicos?
This sensor is intended for selected GY6-style 169cc and 170cc EFI engines and is also listed for certain Jonway GTX 250 / EFI 200 applications.
Because EFI systems and sensors vary between manufacturers and engine configurations, model name or displacement alone does not confirm fitment.
¿Necesito que coincida el número de pieza OEM?
No OEM number is provided in the original product information.
Instead, compare the replacement with the original sensor, especially the thread diameter, electrical connector, wire length, terminal configuration, and sensor body.
If your original sensor has an OEM number, use it as an additional fitment reference.
¿Qué modelos o situaciones no son compatibles con esta pieza?
Do not assume compatibility with:
Every GY6 engine
Carbureted GY6 engines solely because displacement matches
Every 169cc or 170cc scooter engine
Every Jonway 200cc or 250cc model
Sensors using a different thread size
Applications with different electrical connectors
EFI systems requiring a different sensor specification
This product is intended for compatible EFI applications, not generic carbureted GY6 engines.
¿Qué debo verificar antes de hacer un pedido?
Confirm:
EFI / fuel-injected engine
Exact engine model where available
Original sensor location and appearance
Approx. 8mm thread diameter
Approx. 168mm wire length
Electrical connector shape
Number and arrangement of terminals
Original sensor/OEM number if available
Compare the product photos with the existing sensor before purchase.