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

• Designed for 428 chain conversion from 420 chain

• Manufactured from carbon steel S45C

• Heat treated to HRC 50–55 for added durability

• Sandblasted to reduce surface tension

• Meets or exceeds motorcycle industry compound quality standards

• Direct OEM replacement

Specifications

• Tooth Count: 13

• Chain Size: 428 (conversion from 420)

• Material: Carbon Steel S45C

• Hardness: HRC 50–55

• Surface Finish: Sandblasted

Cross-Reference OEM Part Numbers

• JTF555

• JTF547

• SF547-14.DR

Vehicle Fitments

• 1983–1997 Kawasaki KX60

• 1983–1997 Kawasaki KX80

• 2001–2022 Kawasaki KX85

• 1983–1997 Kawasaki KX100

• 2000–2018 Kawasaki KX65

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

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

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

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

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

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

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

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

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

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

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

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

• 1998 Kawasaki KX100 C1 (428 Chain Conversion)

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

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

• 2003 Suzuki RM100 K3 (428 Chain Conversion)

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