* Engine displacement: 149cc
* Top speed: 65-70 mph
* Weight: 218 lbs (dry)
* Seat height: 31.5 inches
KX85:
* Engine displacement: 84cc
* Top speed: 50-55 mph
* Weight: 158 lbs (dry)
* Seat height: 30.3 inches
Based on these specifications, the CRF150R is faster than the KX85 in terms of top speed. However, the KX85 is lighter and has a lower seat height, making it more agile and easier to handle for smaller riders.