Starter Motor Assy – Hyosung RX125 XRX125 RT125D


Slower cranks? Worn out? Engine Rebuild?
This replacement starter motor assembly includes a fresh o-ring & 2 steel fitting bolts (marine stainless).

  • Suits a variety of RT & RX | XRX models.
  • Direct aftermarket replacement 
  • Comes in Yellow or Silver (Random)
  • Heavier duty type.

Starter Motor Assy – Hyosung RX125 XRX125 RT125D

📦 Replacement Starter Motor Assy includes:

 1x Starter Motor Unit
(Aftermarket heavy duty type)
2x Stainless Steel Bolts
(Zero Rust  &  Tougher than mild-iron OEM bolts.)
  • 🚚 UK Delivery ETA =   3-5 Working Days. 
    You will get one in SILVER or YELLOW  (at random)


Aftermarket , heavier duty but a little less than the OEM cost!
Whether you are having issues starting  due to  slower starter  (compression cranking) or  doing an engine rebuild ,   it is not uncommon to for most Hyosung 125s to eventually need a replacement starter.   While changing your starter motor , also inspect your Starter Solenoid too!   A bad solenoid can wear out starter motors prematurely .

Hyosung Model List:

RX125 SM
 RT Karion
RX125 D
(up to 2011)
 RT125 D
(2004 – 2015)

OEM Part # 31100HD6300

💬 For any fitting help or bike manuals – Check out the forums


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