Yamaha XZ550RJ 1982 Owner's Manual page 97

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1. 0 -150 km (0 -100 mi):
Avoid operation above
4,000
r/min.
Allow a cooling off period of 5 to 10
minutes after every hour of operation.
Vary the speed of the motorcycle from
time to time. Do not operate it at one,
set throttle position.
2. 150 -500 km (100 -300 mi):
Avoid prolonged operation above
5,000
r/min. Allow the motorcycle to rev free-
ly through the gears but do not use full
throttle at any time.
CAUTION:
After 500 km (300 mi) operation, be sure
to replace the engine oil, oil filter ele-
ment and final gear oil.