Universal Parts QT-50 ignition switch kit with seat release latch and 2 matching keys for 50cc scooters Universal Parts QT-50 ignition switch kit with seat release latch and 2 matching keys for 50cc scooters
QT-50 ignition switch showing 50mm and 20.5mm mounting hole spacing dimensions QT-50 ignition switch showing 50mm and 20.5mm mounting hole spacing dimensions
QT-50seat latch body showing 20mm diameter measurement QT-50seat latch body showing 20mm diameter measurement
QT-50 seat release bracket showing 59.5mm center-to-center hole spacing QT-50 seat release bracket showing 59.5mm center-to-center hole spacing
Universal Parts QT-50 ignition switch kit with seat release latch and 2 matching keys for 50cc scooters
QT-50 ignition switch showing 50mm and 20.5mm mounting hole spacing dimensions
QT-50seat latch body showing 20mm diameter measurement
QT-50 seat release bracket showing 59.5mm center-to-center hole spacing

Universal Parts

Universal Parts QT-50 Ignition Switch w/ Seat Release & Keys

SKU 151-237
$48.00
Shipping calculated at checkout.
Description

Restore reliable starting and security to your 50cc scooter with this Universal Parts QT-50 Ignition Switch. Designed for TNG Venice-style platforms, this complete kit includes the ignition switch, seat release latch, and two matching keys — everything you need for a full lock set replacement in one package.

Key Features

  • Complete Kit: Includes ignition switch, seat release mechanism, and a set of 2 matching keys.
  • OEM-Style Connector: 6-pin male plug (3 pins used) with a single auxiliary pin — matches factory wiring on compatible QMB139-based scooters.
  • Plug-and-Play Fit: Direct replacement for TNG Venice-style ignition assemblies; no wiring modifications required on compatible models.
  • Keyed Alike: Both keys operate the ignition and seat release for convenience.

Mounting Dimensions (from images)

  • Ignition Switch Mounting Hole Spacing: 50mm (center-to-center) or 20.5mm (offset pattern)
  • Switch Body Diameter: 20mm
  • Seat Release Bracket Hole Spacing: 59.5mm (center-to-center)

Compatible Models

Fits QMB139 49cc/50cc engines used in TNG Venice-style scooters including:

  • Baja RT50
  • Keeway Venus
  • Lance Charming
  • Tank Classic
  • Wolf Islander
  • Many other unlisted QMB139-based 50cc makes and models

Technical Specifications

  • Plug Style: 6-pin Male (3 pins used) + Single Pin
  • Engine Compatibility: QMB139 49cc / 50cc
  • Includes: Ignition switch, seat release, 2 keys
  • Manufacturer: Universal Parts | SKU: 151-237
Fitment Note: Verify your scooter's ignition mounting hole spacing (50mm or 20.5mm pattern) and seat release bracket spacing (59.5mm) against the dimension images before ordering. Many unlisted QMB139-based models are also compatible.

 

California Prop 65 Warning: www.p65warnings.ca.gov
Product Diagrams
Features
  • Complete Ignition Kit with Seat Release and 2 Keys
  • 6-Pin Male Connector (3 Pins Used) + Single Pin
  • Plug-and-Play Replacement
  • Keyed Alike Ignition and Seat Release
  • QMB139 49cc/50cc Compatible
Specifications

Plug: 6-pin Male (3 used) + Single Pin | Engine: QMB139 49cc/50cc | Mounting Spacing: 50mm or 20.5mm | Seat Release Spacing: 59.5mm | Switch Diameter: 20mm | SKU: 151-237
Model Fitments

Baja RT50, Keeway Venus, Lance Charming, Tank Classic, Wolf Islander, and other QMB139 49cc/50cc TNG Venice-style scooters
  • Same day shipping for orders placed before 2PM (CST) M-F
  • 30-day return period on eligible items
  • Flat-rate shipping for orders shipped to the 48 Contiguous United States.
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