Cylinder Head Valve Cover Rubber Gasket – GT125 GV250 GT250 GV125C
Stay contained for the Right Reasons: No more oil mist on your boots. This critical engine seal stops the “sweating” common on high-mileage Hyosung V-Twins. Sourced to match factory specs for a leak-free top end.
- ✅ Material: High-Grade Heat Resistant Rubber (Anti-Shrink).
- 🛠️ Profile: Exact fit for the valve cover channel (No RTV Glue needed).
- ⚙️ Reliability: Prevents oil loss and keeps the engine bay clean.
- 📦 What’s Included: 1x Valve Cover Gasket (Per Cylinder).
Description
Is your engine “sweating” oil around the top end? Over many heat cycles, the original rubber gaskets harden and shrink, losing their ability to seal. This is especially common on the rear cylinder where heat build-up is highest. Replacing the gasket is the only way to ensure your Hyosung stays bone-dry and your oil levels stay where they should be.
💎 Stop the Leaks with a Proper Seal
Forget messy liquid sealants that can clog oil galleries; use a proper rubber seal designed for the job.
| No RTV Needed Seats neatly in the channel. |
OEM Reference Replaces 11173HG5100. |
| Oil Resistant Won’t swell or degrade. |
Precision Molded Matches 125/250 V-Twins. |
📜 Confirmed Fitment Guide
📅 ENGINES: All Air/Oil Cooled 125cc & 250cc V-Twin Hyosung Motors.
❌ WILL NOT FIT: GV125-S EFI (Liquid Cooled), GV300-S, or GV300-SS models.
The best time to install this is during a Valve Clearance check. Make sure you have fresh [Spark Plugs] ready to go while the covers are off!
🔧 Install Tips
- Surface Prep: Ensure the head and cover surfaces are 100% clean of old oil and debris before fitting.
- Torque Carefully: Tighten your valve cover bolts evenly in a cross-pattern to prevent “squishing” the gasket out of its seat.
- Check Clearances: Since the cover is off, it’s the perfect time to check your valve shims!
📧 FITMENT QUESTIONS? Email us with your bike details. For community guides on valve clearances, visit the HyoRiders Forums.
Additional information
| Weight | 0.6 kg |
|---|---|
| Dimensions | 25 × 25 × 2 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.
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