Name: Radiator Cooling Fan Switch Thermostat - Hyosung GT650R GV650
SKU: 17610HN9100
Availability: InStock

Radiator Cooling Fan Switch Thermostat – Hyosung GT650R GV650

Estimated delivery dates: May 16, 2026 - May 18, 2026

£29.99

💎 HYOSUNG GT650R GT650 GV650 | COOLING FAN THERMOSTAT SWITCH

Prevent Engine Overheating Instantly. A new thermostat is cheap insurance against a costly blown engine. This high-quality aftermarket unit ensures you’re keeping your 650 V-Twin running smoothly and safely.

✅ Precision Activation: Kicks in at the correct temperature settings.
🛠️ Direct Replacement: For part 17610HN9100 .
⚙️ Vital Sensor: Prevents costly engine damage caused by overheating.
📦 What’s Included: 1x Engine Thermostat

⚠️ CRITICAL MAINTENANCE: If your fan isn’t running in traffic, replace this immediately to avoid severe engine damage.

Description

The V-twin engines in the GT650 and GV650 models generate significant heat, especially when sitting in UK or EU traffic. A worn or failing cooling thermostat is the primary cause of overheating, which can warp cylinder heads or seize the engine entirely. This replacement unit functions identically to the no-longer-available OEM part, providing reliable temperature monitoring and peace of mind on every journey.

💎 Optimal Cooling Performance

Ensure precise temperature calibration to justify the performance and superior material quality over generic alternatives.

Exact Calibration Activates fan at factory temp.	Durable Housing Corrosion resistant build quality.
OEM Reference Matches 17610HN9100 spec.	Easy Swap Simple screw-in installation.

📜 Confirmed Fitment Guide

✅ FITS: GT650, GT650R, and GV650 Aquila/Avitar models.
📅 YEARS: All carburetted and EFI models from 2005 through to 2020.
❌ WILL NOT FIT: Single cylinder models (GD250 ).

💡 RECOMMENDED PAIRING:
Never mix coolants! Perform a full system flush and refill with high-quality Motul Motocool Coolant when changing this switch.

🔧 Install Tips

Drain & Refill: You will lose some coolant when swapping this part. Be prepared to top up or perform a full system flush/refill.
Bleed the System: After installation, ensure you bleed all air pockets from the cooling system to guarantee the thermostat reads the temperature correctly.
Tighten Gently: In an alloy housing. Tighten firmly, but do not overtighten to avoid cracking the thermostat housing.

📧 FITMENT QUESTIONS? Email us with your bike details. For technical help or community opinions, visit the HyoRiders Forums.