2-Pin Fuel Injector with Cap for GY6 169cc 170cc EFI Engine

Product Overview

Replacement 2-pin fuel injector with cap for selected GY6-style 169cc and 170cc EFI engines used in compatible scooters and related powersports applications.

The injector delivers a controlled amount of fuel into the engine's intake system according to commands from the ECU, supporting normal fuel metering and engine operation.

This unit features a 2-pin electrical connection, approximately 4mm mounting-hole diameter, and a listed 4mm injector inner diameter.

Also listed for selected Jonway GTX 250 / EFI 200 applications, but these applications should be verified carefully by comparing the original injector, connector, mounting dimensions, fuel connection, and physical design before ordering.

Product Compatibility

Engine / Vehicle	Fuel System	Fitment Notes
GY6-Style 169cc Engine	EFI	Verify injector and connector
GY6-Style 170cc Engine	EFI	Selected compatible applications
Jonway GTX 250	EFI	Verify original injector before ordering
Jonway EFI 200	EFI	Verify exact EFI configuration
Scooter / Powersports Vehicle	EFI	Compatible GY6-style applications only

Engine displacement alone does not confirm fuel-injector compatibility. The injector's physical and electrical specifications must match the original EFI system.

Specifications

Specification	Details
Product Type	Fuel Injector
Fuel System	Electronic Fuel Injection (EFI)
Application	GY6-Style EFI Engine
Listed Engine Size	169cc / 170cc
Electrical Connector	2-Pin
Mounting Hole Diameter	Approx. 4 mm / 0.16 in
Listed Injector Inner Diameter	Approx. 4 mm / 0.16 in
Included Accessory	Cap
Condition	New
Package Quantity	1 Fuel Injector

Key Features

• 2-Pin EFI Injector: Designed for compatible GY6-style electronic fuel-injection systems.
• Controlled Fuel Delivery: Meters fuel according to ECU commands during engine operation.
• GY6-Style Application: Intended for selected 169cc and 170cc fuel-injected engines.
• Dimension-Based Verification: 2-pin connector and listed 4mm measurements provide additional fitment references.
• Replacement Component: Designed to replace a compatible worn, clogged, damaged, or malfunctioning original injector.