Description
JT rear sprocket steel 42t-525 ktm. Manufacturer part number JTR899.42.
WPS part number 55-89942.
JT rear sprocket steel 42t-525 ktm.
In stock
JT rear sprocket steel 42t-525 ktm. Manufacturer part number JTR899.42.
WPS part number 55-89942.
WPS lists this part for the following vehicles. Match your exact model and year.
Follow the position, mounting and installation notes in the product description. Modified vehicles may require different parts.
| Years | Make | Model |
|---|---|---|
| 2014–2015 | KTM | 1190 Adventure |
| 2014–2015 | KTM | 1190 Adventure R |
| 2015 | KTM | 1290 Super Adventure |
| 2003–2006 | KTM | 950 Adventure |
| 2003–2006 | KTM | 950 Adventure S |
| 2007–2009 | KTM | 950 Super Enduro R |
| 2006–2012 | KTM | 990 Adventure |
| 2010–2012 | KTM | 990 Adventure R |
| 2007–2008 | KTM | 990 Adventure S |
Source: WPS vehicle-fitment data · WPS part 55-89942 · Checked November 11, 2026.
| Weight | 1.51 lbs |
|---|---|
| Dimensions | 9.9 × 9.8 × 0.75 in |
Check chain pitch, sprocket tooth count and the installed gearing before ordering.
Select your motorcycle to check for matching parts.

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