The CRF line was launched in 2000 as a successor to the Honda XR series. The CRF-R is a liquid-cooled four-stroke engine. They are designed to be utilized purely for closed-course motorcross racing. The CRF-R lineup lacks any extra accessories; like lights and electric start (Although offered as an option on the 2017 CRF-450R).
| Chain Size: | Front Sprocket: | Rear Sprocket: | Front Tire: | Rear Tire: | Spark Plug: |
|---|---|---|---|---|---|
| 420x120 | 15T | 50T | 70/100-17 | 90/100-14 | CR9EH-9 |