Online Catalogue
Yamaha YZF R1 M <<< 520 Chain Conversion
2015 to 2020
Front Sprocket
Rear Sprocket
Aluminium Rear Race Sprocket
Part Number: JTA1303
Teeth: 41 Check Availability
Available Sizes: 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52
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 | |||
| 15 | 16 | 17 | ||
| Rear Sprocket | 39 | 2.60 +1.5% | 2.44 -4.9% | 2.29 -10.5% |
| 41 | 2.73 +6.7% | 2.56 standard | 2.41 -5.9% | |
| 42 | 2.80 +9.3% | 2.62 +2.4% | 2.47 -3.6% | |
| 43 | 2.87 +11.9% | 2.69 +4.9% | 2.53 -1.3% | |
| 44 | 2.93 +14.5% | 2.75 +7.3% | 2.59 +1.0% | |
| 45 | 3.00 +17.1% | 2.81 +9.8% | 2.65 +3.3% | |
| 46 | 3.07 +19.7% | 2.88 +12.2% | 2.71 +5.6% | |
| 47 | 3.13 +22.3% | 2.94 +14.6% | 2.76 +7.9% | |
| 48 | 3.20 +24.9% | 3.00 +17.1% | 2.82 +10.2% | |
| 49 | 3.27 +27.5% | 3.06 +19.5% | 2.88 +12.5% | |
| 50 | 3.33 +30.1% | 3.12 +22.0% | 2.94 +14.8% | |
| 51 | 3.40 +32.7% | 3.19 +24.4% | 3.00 +17.1% | |
| 52 | 3.47 +35.3% | 3.25 +26.8% | 3.06 +19.4% | |
Lower gear ratios allow for higher top speeds.
Higher gear ratios increase torque for better acceleration.