Online Catalogue
Yamaha WR450 F-Z,A (5TJV,1HB) — Europe
2010 to 2011
Front Sprocket
Rear Sprocket
Steel Rear Sprocket
Part Number: JTR245/2
Teeth: 47
Available Sizes: 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53
Racelite Aluminium Rear Race Sprocket
Drive Chain
Pitch: 520
Length: 114
Please note that the chain shown in this listing is for size reference only. For the correct chain type and grade, please refer to the vehicle's manufacturer manual.
Gear Ratio Chart
| Teeth | Front Sprocket | |||||||
| 12 | 13 | 14 | 15 | 16 | 17 | 18 | ||
| Rear Sprocket | 47 | 3.92 +16.7% | 3.62 +7.7% | 3.36 standard | 3.13 -6.7% | 2.94 -12.5% | 2.76 -17.6% | 2.61 -22.2% |
Lower gear ratios allow for higher top speeds.
Higher gear ratios increase torque for better acceleration.
JTF565SC is a Lightweight front sprocket with self-cleaning grooves