3-9
3) Second hour:
Accelerate at full throttle onto plane,
then reduce engine speed to three-
quarter throttle (approximately 4,000
r/min). Vary engine speed occasional-
ly. Run at full throttle for one minute,
then allow about 10 minutes of opera-
tion at three-quarter throttle or less to
let the engine cool.
4) Third through tenth hours:
Avoid operating at full throttle for
more than 5 minutes at a time. Let the
engine cool between full-throttle runs.
Vary engine speed occasionally.
5) After the first 10 hours:
Operate the engine normally. Use the
standard premix ratio of gasoline :
Oil. (Refer to “Gasoline/Petrol and Oil
Mixing”.)
GB
61R-9-73-3A (GB,F,ES) 5/9/00 10:34 AM Page 20
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