FRONT SPROCKET 14 [JTF555.14] 428 MX-55514

The Front Drive Sprocket JTF555 (13 teeth) is designed for 428 chain conversion on a wide range of small-displacement Kawasaki and Suzuki off-road motorcycles. This sprocket allows conversion from a standard 420 chain setup to a more robust 428 heavy-duty chain for improved strength and longevity.

Features

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  Designed for 428 chain conversion from 420 chain

  
  


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  Manufactured from carbon steel S45C

  
  


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  Heat treated to HRC 50–55 for added durability

  
  


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  Sandblasted to reduce surface tension

  
  


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  Meets or exceeds motorcycle industry compound quality standards

  
  


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  Direct OEM replacement

  
  

Specifications

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  Tooth Count: 13

  
  


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  Chain Size: 428 (conversion from 420)

  
  


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  Material: Carbon Steel S45C

  
  


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  Hardness: HRC 50–55

  
  


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  Surface Finish: Sandblasted

  
  

Cross-Reference OEM Part Numbers

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  JTF555

  
  


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  JTF547

  
  


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  SF547-14.DR

  
  

Vehicle Fitments

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  1983–1997 Kawasaki KX60

  
  


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  1983–1997 Kawasaki KX80

  
  


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  2001–2022 Kawasaki KX85

  
  


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  1983–1997 Kawasaki KX100

  
  


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  2000–2018 Kawasaki KX65

  
  


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  2000–2001 Kawasaki KX65 A1–A2 (428 Chain Conversion)

  
  


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  2002–2018 Kawasaki KX65 A3–AJF (428 Chain Conversion)

  
  


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  1986–1987 Kawasaki KX80 G1–H2 (428 Chain Conversion)

  
  


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  1986–1987 Kawasaki KX80 J1–J2 (428 Chain Conversion)

  
  


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  1989–1990 Kawasaki KX80 N2–N3 (428 Chain Conversion)

  
  


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  1989–1990 Kawasaki KX80 L2–L3 (428 Chain Conversion)

  
  


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  1991–1997 Kawasaki KX80 R1–R7 (428 Chain Conversion)

  
  


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  1991–1997 Kawasaki KX80 T1–T7 Big Wheel (428 Chain Conversion)

  
  


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  1998–2000 Kawasaki KX80 Y1–Y3 Big Wheel (428 Chain Conversion)

  
  


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  2001–2017 Kawasaki KX85 B1–BDF, DEF–DHF Big Wheel (428 Chain Conversion)

  
  


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  1991–1996 Kawasaki KX100 B1–B6 (428 Chain Conversion)

  
  


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  1997 Kawasaki KX100 B7 (USA97) (428 Chain Conversion)

  
  


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  1998 Kawasaki KX100 C1 (428 Chain Conversion)

  
  


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  1999 Kawasaki KX100 C2 (USA99) (428 Chain Conversion)

  
  


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  2000–2018 Kawasaki KX100 C3, D1–D9F, DBF–DDF, FEF–FJF (428 Chain Conversion)

  
  


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  2003 Suzuki RM100 K3 (428 Chain Conversion)

  
  


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  2003–2005 Suzuki RM65 K3–K5 (428 Chain Conversion)