Description
If your 650cc Hyosung is showing signs of clutch slip or juddering under load, it’s time for an upgrade. We only source our heavy-duty friction plates from reputable brands like EBC or TRW Lucas, designed for road riders who need reliability. These plates are heat-treated for longevity and offer improved clutch bite compared to the factory originals, making them ideal for both stock and mildly tuned V-twin engines.
💎 Performance You Can Trust (EBC/TRW Lucas)
Experience crisper engagement and durability that lasts thousands of miles longer than basic OEM versions.
| Improved Clutch Bite Firmer grip, less slip. |
Heat Treated Fibre Handles aggressive riding temps. |
| Reduced Basket Wear Better power transfer stability. |
OEM Dimensions Direct fit, no mods needed. |
📜 Confirmed Fitment Guide (2003–2019)
📅 YEARS: 2003 to 2019 models (Carb & EFi V-Twins).
OEM Part Numbers: 21441HN9100, 21442HN9100
We highly recommend installing new clutch springs with new plates to ensure proper pressure and engagement. View Heavy Duty Clutch Springs here.
🔧 Install Tips
- Pre-Soak Overnight: You *must* soak the new friction plates in fresh engine oil overnight before installation. This is critical for longevity and performance.
- Check Steel Plates: Inspect your existing steel plates for warping or excessive wear. If they are damaged, they must be replaced (not included in this kit).
- Cable Adjustment: A major cause of premature clutch failure is incorrect clutch cable slack. Follow your service manual exactly for correct cable adjustment.
📧 FITMENT QUESTIONS? Email us for sales support or visit the [HyoRiders Forums] for community tutorials and support.
Thanks to Matt T. for sending us this quick little video of the clutch install! Remember though, the smaller plate goes in first!


























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