Part: JT Chain/Sprocket Kit 13-48 Tooth 520 Pitch
Sprocket Material Front-Rear: Steel-Steel
Tooth Count Front-Rear: 13-48
Part Number Front: JTF583.13
Part Number Rear: JTR853.48
Included Chain Length-Pitch: 520-108
Chain Type: Standard: Non-Sealed

!!IMPORTANT - READ BEFORE BUYING!!
Chain Conversion Kits: This kit may be a conversion kit for certain models. Please consult your owner's manual or look in our Application list below to see if the OEM chain pitch matches the chain pitch specified in the description above. If the pitches do not match then this is a conversion kit. Please contact us if you have any questions or concerns.
Chain Length: The length of the chain provided with this kit is calculated based on factory specifications that are supplied to us. We make no guarantees that these specifications or chain length is 100% accurate. In some cases the chain may need to be shortened. Always consult the owner's manual. Please contact us with any questions regarding the chain or sprockets included in this kit.
Rear Sprocket Color: The color of the rear sprocket MAY be black or silver. We have no control over this. We sell only what we have in stock and the sprocket may be black OR silver.

Application List
Yamaha TTR250 1999-2006
OEM Sprockets Front/Rear: 13/52
OEM Chain Pitch-Links: 520-110
  • JT Front sprockets are manufactured from SCM420 chromoly steel alloy
  • JT steel rear sprockets are manufactured using C49 high carbon steel
420 Std. Non-Sealed
Comes with clip style master link
Average tensile strength of 3,748 lbs.
428 Std. Non-Sealed
Comes with clip style master link
Average tensile strength of 4,012 lbs.
520 Std. Non-Sealed
Comes with clip style master link
Average tensile strength of 5,974 lbs.
530 Std. Non-Sealed
Comes with clip style master link
Average tensile strength of 5,974 lbs.
General Chain Info
Performs well on and off road and is economically priced
Always check the OEM tensile strength recommendation for your application.
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