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2021 KTM
125 SX
Specs/Edit
  • Drive Type: Chain
  • Front Tire Size: 80/100-21
  • Rear Tire Size: 100/90-19
  • Spark Plug: BR9ECMVX
  • Chain Size: 520
  • Chain Links: 118
  • Front Sprocket/Pulley Teeth: 13
  • Rear Sprocket/Pulley Teeth: 50
  • Battery: YTX4L-BS
For reference only, please consult your owner’s manual to confirm your sizes
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