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Front Brake Light Switch (Stop Lamp Lever) – Hyosung GT GV RT Models

Estimated delivery dates: Aug 13, 2026 - Aug 14, 2026

£9.99

🔌 FRONT BRAKE LIGHT SWITCH // RESTORE REAR VISIBILITY

Ensure drivers behind can see exactly when you drop anchor on the front anchors. A failed front brake switch means your stop lamp remains dead when pulling the handlebar lever—resulting in an immediate MOT failure and a severe rear-end collision hazard on public roads. This plug-and-play microswitch drops directly into your original handlebar master cylinder casting, renewing your primary electrical signaling circuit without relying on brittle generic universal bodge electronics.

  • Instant Activation // Ensures immediate rear brake light illumination the moment the lever moves.
  • Direct Fit // Molded specifically to match the original factory micro-switch pin alignment profile.
  • Safety & MOT // Reclaims absolute street legality and vital defensive riding awareness.
  • 📦 Wide Fitment // Covers the vast majority of standard factory GT, GV, RT, RX, and GD handlebar assemblies.
COMPATIBILITY ALERT: This switch relies strictly on the layout of original factory master cylinders.

❌ It will not click into generic Chinese aftermarket clone perches, and does not fit older carburetted GV125 cruiser models (2001–2016).

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Description

Brake lights are absolutely crucial for communicating your stopping intentions to following traffic. A non-functional front brake microswitch means your stop lamp remains dark when using the handlebar lever—causing a guaranteed UK MOT failure and an immediate, severe road safety risk. This  replacement switch restores your electrical safety features through a simple, plug-and-play installation process that mounts directly to the underside of the master cylinder body, removing any requirement for a cheap, unverified wiring bodge fix.


💎 Essential Visibility & Compliance

A compact component with a massive impact on your road safety, legal compliance, and presence in night traffic.

Road Legal
Ensures you pass UK MOT tests safely without lighting circuit faults or technician advisories.
Direct Replacement
Accurately matches your original wire connector plug for an instant loom bridge.
Durable Build
Internal spring contacts are built to withstand rapid control lever actuations.
Easy Install
Secures smoothly onto the locating pins beneath your fluid reservoir using a single crosshead screw.

📜 Confirmed Model Fitment Guide

✅ FITS: GT125, GT125R, GT250, GT250R, GT650, GT650R Comet, GV650 Aquila, RX125, RT125 Karion, GD250R/N Exiv, ST7 Cruiser, and TE450 Quad configurations.
📅 YEARS: Spans the majority of carburetted and EFI production series manufactured from 2003 through to 2020.

❌ WILL NOT FIT: Early carburetted GV125 Aquila cruiser models (2001–2016) or any universal, non-OEM aftermarket master cylinders. Cruiser perches from that legacy generation utilize a physically completely different plunger footprint.

💡 PAIR WITH A NEW LEVER:
If a minor drop has crushed your electrical switch casing, take an extra moment to inspect your hand lever for hidden hair cracks or stress twists. We carry direct OEM-style replacement levers to completely refresh your dynamic control cluster setup.

🔧 Pro Tips

  • Diagnostic Troubleshooting: If bridging the two main wire terminals fails to activate the tail lamp, verify your primary fuse box and inspect the rear filament bulb itself before replacing parts.
  • Secure Fitment: When tightening the switch assembly, verify that the small plastic spring actuator lever sits perfectly straight within the cutout path of the brake handle blade for continuous activation tracking.

📧 NEED AN EXTRA HAND? If you require help testing wiring continuity or have questions about matching switch tabs, For electrical wiring diagrams, troubleshooting matrices, or peer advice, jump onto HyoRiders Club Forums.

Additional information

Weight 0.6 kg
Dimensions 10 × 10 × 3 cm

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Independent Shop supplying ride enhancements and quality spares with fast dispatch. Need assistance? Access our workshop guides, manuals, tutorials or drop by the forums for troubleshooting help.