Cylinder Head Valve Cover Rubber Gasket – GT125 GV250 GT250 GV125C
No more oil mist on your boots. This critical engine seal stops the oil leaks that often happen on older Hyosung V-Twins, keeping the top of your motor dry during rides on everyday roads.
- Finish // Made from tough, heat-resistant rubber that resists shrinking and hardening.
- Fitment // Shaped to sit directly into the valve cover channel without needing messy instant gasket glue.
- Aftermarket // Sourced to match original factory dimensions for a dependable seal.
- Hardware // Pack contains 1x gasket for one cylinder head. Please order two if you want to swap both sides.
Description
Is your engine sweating oil around the top end? Over time, engine heat makes the original rubber seals hard and brittle, which stops them from keeping the oil in. This is very common on the rear cylinder head because it sits out of the wind and gets much hotter than the front. Swapping your old flattened seal for this fresh rubber gasket is the right way to keep your motor dry and stop your oil levels from dropping on everyday roads.
💎 ENGINE TOP END SPECIFICATIONS
| No RTV Glue NeededSits directly in the cover groove without needing liquid paste. | Factory Part MatchBuilt to replace original part record number 11173HG5100. |
| Oil Proof RubberTough compound that won’t swell up or rot from motor oil contact. | Molded ShapeFormed to sit on air-cooled and oil-cooled 125 and 250 blocks. |
📜 Confirmed Fitment Guide
V-Twin 125cc & 250cc Group: Fits air/oil-cooled engines on the naked, sport, and cruiser models listed below.
- GT Sport & Comet Naked: GT125, GT125R, GT250, and GT250R models built between 2003 and 2022.
- GV Aquila Cruiser: GV125C and GV250 models built between 1999 and 2018.
- Liquid-Cooled GV125S EFi & GV300S : This will not fit the newer GV125S Aquila Bobber, GV300S, or GV300SS models. They use a completely different head design.
🔧 Install Tips
- Surface Prep: Make sure the metal on the head and the valve cover are completely clean and free of old oil before putting the new rubber seal on.
- Tighten Evenly: Snug down your valve cover bolts a little bit at a time in a cross pattern. This stops the gasket from pinching or popping out of its groove.
- Check Your Shims: Since you have the top covers off to fix the leak, this is the perfect time to check your valve shim clearances.
Additional information
| Weight | 0.6 kg |
|---|---|
| Dimensions | 25 × 25 × 2 cm |
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