KTM 450 SX ATV Owner's Manual page 32

GENERAL TIPS AND HINTS ON PUTTING INTO OPERATION
Guideline
Maximum engine speed
During the first 3 service hours
Maximum engine performance
During the first 3 service hours
During the next 12 service hours
–
Avoid fully opening the throttle!
7,000 rpm
≤ 50 %
≤ 75 %
30