Front Fork Oil Seals Hyosung GV125 GV250 RT125D & GT125 Naked
Regain front-end handling confidence and stop messy oil leaks. This direct-replacement kit provides durable rubber seals manufactured to mirror exact factory dimensions. It locks fluid safely inside standard conventional front suspension setups, stopping fluid from coating your brake pads or failing local road checks.
- Function // Retains vital internal dampening oil to ensure uniform and predictable front fork travel.
- Build // High-grade aftermarket rubber compounds designed to handle heavy compression cycles.
- Compatibility // Engineered exclusively for classic silver right-way-up (RWU) conventional forks.
- What’s Included // Includes two (2x) matching front fork oil seals (one complete axle pair).
❌ It will NOT fit inverted, upside-down (USD) gold or black performance forks.
Description
Front fork seals are a very regular failure point across lightweight machinery due to persistent road grit exposure, winter salt, and simple rubber aging. When a seal splits, it leads to dangerous oil weeps that run straight down the legs, ruining your front handling and contaminating your disc brake pads. For the classic GV125, GV250, and standard GT125 Naked models, stopping these dampening leaks is vital garage maintenance to preserve your front-end stability and ride comfort.
💎 Stop Leaks & Restore Safe Handling
| Premium Aftermarket BuildMoulded to deliver clean internal sizing retention that performs exactly like original showroom parts. | OEM Blueprint Cross MatchAccurately sized casing profile built to swap out factory part numbers matching 51240-G5100. |
| Resilient Synthetic BaseHandles high hydraulic internal oil pressure and changes in winter weather temperature easily. | Complete Axle Pair KitReplaces both left and right-side seals together to ensure uniform front support balance. |
📜 Model Fitment Guide
Confirmed Conventional Fork Matches: Fits versions equipped with standard silver upright (Right-Way-Up) front suspension:
- GV125 & GV250 Aquila: Fits all traditional air-cooled carburettor cruiser models built between 2001 and 2017.
- GT125 Naked (Comet): Fits unfaired versions built between 2003 and 2020 running standard silver upright forks only.
- RT125 / RT125D Karion: Fits all model production years of the sand-bike cruiser line.
❌ WILL NOT FIT THESE MOTORCYCLES:
- GT125R Sport Models: Faired racing variants use larger, thick gold or black Upside-Down (USD) performance forks.
- GT250 / GT250R / GV650: Larger engine frames use oversized stanchion diameters that call for alternate seal diameters.
- Modern S-Platform Bobbers: Does NOT fit newer liquid-cooled GV125S EFI or GV300S variants.
Never pour old, discoloured, or water-contaminated fluid back inside your rebuilt legs! To lock in smooth mechanical action and factory dampening control, ensure you pair your project with clean, fresh suspension oil. Swapping out the old fluid removes internal sludge completely.
🔧 Install Tips
- Check for Metal Damage: Thoroughly clean and inspect your exposed inner steel tubes. If you discover rough rust pitting, stone chips, or deep scratches across the sliding range, they will tear your fresh rubber lips in a week. Smooth out minor burrs before sliding the new kit down.
- Drive the Casing Evenly: Use a dedicated fork seal driver tool or a carefully measured, smooth PVC pipe coupling to push the outer casing home. Tapping the seal directly with hard steel drivers will warp the inner tension spring rings and ruin the oil lip.
- Follow the Workshop Manual: This upgrade kit is a direct hardware spare and does not include generic instructions. Always look up your specific bike model’s fluid capacity tables and disassembly steps in a factory manual to ensure everything seals perfectly dry.
For complete air bleeding advice, fluid measurement charts, or mechanical support from other owners, head to the forums.
Additional information
| Weight | 0.6 kg |
|---|---|
| Dimensions | 10 × 10 × 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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