Steel front sprocket | JT Sprockets
Exact fit to:
YAMAHA YZ250 F-N,P,R,S (4-Stroke) [2001 - 2004]
YAMAHA YZ250 F-E,F,G,H,J,K,L,M [2014 - 2021]
YAMAHA YZ250 F-Z,A [2011 - 2011]
YAMAHA YZ250 F-NL [2022 - 2022]
YAMAHA YZ250 F-Z,A,B,D [2010 - 2013]
YAMAHA YZ250 F-B,D,E,F,G,H,K,L,M [2012 - 2021]
YAMAHA YZ250 F-G 60th Anniversary Edition [2016 - 2016]
YAMAHA YZ250 F-T,V,W,X,Y (4-Stroke) [2005 - 2009]
2001 - 2005 YAMAHA YZ 250 F
Transmision ratio:
| 12 | 13 | 14 | ||
| 38 | 3.17 -17.7% | 2.92 -24.0% | 2.71 -29.4% | |
| 46 | 3.83 -0.3% | 3.54 -8.0% | 3.29 -14.6% | |
| 47 | 3.92 +1.8% | 3.62 -6.0% | 3.36 -12.7% | |
| 48 | 4.00 +4.0% | 3.69 -4.0% | 3.43 -10.9% | |
| 49 | 4.08 +6.2% | 3.77 -2.0% | 3.50 -9.0% | |
| 50 | 4.17 +8.3% | 3.85 standard | 3.57 -7.1% | |
| 51 | 4.25 +10.5% | 3.92 +2.0% | 3.64 -5.3% | |
| 52 | 4.33 +12.7% | 4.00 +4.0% | 3.71 -3.4% | |
Specifications
| Manufacturer | JT Sprockets |
|---|---|
| Product code | JTF1590.12 |
| Material | Steel |
| Model | Yamaha |
| Position | Front |
| Type | Countershaft |
| Units | Each |
| Sprocket material | SCM420 Chromoly Steel Alloy |
| Chain pitch | 520 |
| Number of teeth | 12 |
| Product code | JTF1590.13 |
| Sprocket material | SCM420 Chromoly Steel Alloy |
| Chain pitch | 520 |
| Number of teeth | 13 |
| Product code | JTF1590.14 |
| Sprocket material | SCM420 Chromoly Steel Alloy |
| Chain pitch | 520 |
| Number of teeth | 14 |
Fits to following motorcycles:
YAMAHA WR 250 (2001 - 2001), YAMAHA YZ 250 F (2001 - 2022), YAMAHA WR 250 X (2008 - 2015), YAMAHA YZ 125 (2005 - 2023), GAS GAS EC 450 F (2013 - 2015), YAMAHA YZ 250 X (2016 - 2018), YAMAHA WR 250 F (2007 - 2023), GAS GAS EC 250 2T (2011 - 2012), YAMAHA YZ 250 (2021 - 2023), GAS GAS EC 250 F 4T (2011 - 2015), YAMAHA YZ 250 FX (2015 - 2022), YAMAHA WR 250 R (2008 - 2020), GAS GAS EC 300 F RACING 4T (2012 - 2015)
EU GPSR Manufacturer/Distributor:
OLEK MOTOCYKLE SP. Z O.O. SP. K., UL. RELAKSOWA 20, 43-300 BIELSKO-BIAŁA, PL, BOK(AT)OLEKMOTOCYKLE.PL, +48334979550