GT650R, GT650S, GT650, Comet, IRT650

Hyosung Green Acorn Nut

Hyosung OEM nut. Fits many different applications on different models.

Hyosung GT650R GV650 GT650 Rear Intake Neck Boot for EFI

Hyosung OEM rear intake boot for EFI models.

Exhaust Valve - Front or Rear Cylinder - GT650R GT650 GT650S ST7

Hyosung OEM Exhaust Valve for all GT650 GT650R and GV650.  Fits front or rear cylinder the same.  Listing is for 1 valve.

Intake Valve - Front or Rear Cylinder - GT650R GT650 GT650S ST7

Hyosung OEM Intake Valve for all GT650 GT650R and GV650.  Fits front or rear cylinder the same.  Listing is for 1 valve.

Hyosung Valve Cotter Keeper 250 650 MS3-250

Hyosung OEM part. Sold individually. #12 in picture. Fits 250 and 650 V-twin motors as well as MS3-250 scooter.

Rear Intake Neck Boot for EFI models GT650R GV650

Hyosung OEM rear intake neck boot for all 650 motors with EFI.

Water Temperature Sensor Hyosung EFI GD250R ST7 MS3-250 GT650R

Hyosung OEM Water Temp Sensor for EFI units. 3 wire sensor. Green in color. Does not replace the blue version. Not returnable if removed from bag.

Water Pump O-ring

Hyosung OEM part.

Oil Sight Glass Lens Level Check - Hyosung

Hyosung OEM part. Fits GT650, GT650S, GT650R and GV650 and ST7. Will not fit V-Twin 250 motor. That sight glass is factory install during casting. The entire case will need to be replaced.

Radiator Plate Decal

Hyosung OEM plate. For GT650, GT650S and GT650R. Sold Individually. #13 in picture. Special Order Item - allow extra delivery time.

Hyosung O-ring Crank Shaft Hole Plug

Hyosung OEM part that fits many applications.

NGK Spark Plug - Hyosung - CR8E

Sold individually. NGK Spark Plugs are made in Japan. CR8E fit most Hyosung 250 and 650 motorcycles.