4-Wire Ignition Key Switch Lock Set for GY6 139QMB 50cc–200cc Scooter ATV

Product Overview

This 4-wire ignition key switch lock set is a direct replacement for GY6 139QMB engines used on 50cc–200cc scooters, mopeds, and ATVs. Designed with OEM-style connectors and durable metal construction, it restores reliable ignition control and vehicle security with simple, plug-and-play installation.

Product Compatibility

Category	Details
Engine Type	GY6 / 139QMB
Engine Displacement	50cc / 125cc / 150cc / 200cc
Vehicle Type	Scooter, Moped, ATV
Common Compatible Brands	TaoTao, Jonway, Roketa, and other Chinese-made GY6 vehicles
Wiring Type	4-Wire Ignition Switch
Installation Type	Direct replacement (no modification required)

Note: Please verify wiring layout and mounting dimensions before ordering. Not compatible with DC ignition systems or non-GY6 engines.

Specifications

Specification	Measurement
Wiring	4-Wire
Mounting Hole Distance (Length)	58mm / 2.28"
Mounting Hole Distance (Width)	31mm / 1.22"
Material	Metal body with corrosion-resistant surface treatment
Finish	Anti-rust coated
Installation	Plug-and-play

Key Features

• Designed for GY6 139QMB Engines
  Specifically engineered for the most common 50cc–200cc GY6 scooter and ATV platforms.
• Durable Metal Construction
  Main body is made from high-strength metal with anti-rust coating for long-term reliability.
• Easy Installation
  OEM-style wiring and standard mounting dimensions allow installation without professional tools or experience.
• Stable Ignition Performance
  Ensures consistent electrical contact for reliable starting and smooth operation.
• Wide Compatibility
  Suitable for many Chinese-manufactured scooters and ATVs using GY6 architecture.