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RK Chain and Sprocket Kit - OEM Replacement - Natural - Yamaha YZF-R1 '04-'05 4107-040EX

Part Number: 12301629
RK
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SKU:
12301629
MPN:
4107-040EX
Availability:
Ships Same Business Day
Weight:
9.05 LBS
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$318.97
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Description

Chain and sprocket wear is one of the most common failure points on high-mileage sportbikes—and when either component fails, it can leave you stranded or worse. This RK OEM Replacement Kit restores your YZF-R1's drivetrain to factory specifications with premium C45 steel components that deliver reliable power transfer and longevity. If you're running original equipment past its service life, this kit gets you back to predictable, confident acceleration without the guesswork of aftermarket gearing changes.

Technical Specifications:

  • Rear sprocket: C45 steel alloy
  • Front sprocket: C45 steel alloy
  • Case-hardened construction
  • Quenched and tempered
  • OE gearing ratios
  • High-mileage performance rated
  • Yamaha YZF-R1 ('04–'05)
  • Bolt-on installation
  • Part Number: 4107-040EX
  • Natural finish
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