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QSB 4,5 and QSB 6,7 Operation and Maintenance manual
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Engine Operating Range
QSB4.5 and QSB6.7
Page 1-16
Section 1 - Operating Instructions
CAUTION
Do
not
idle
the
engine
for
excessively
long
periods.
Long
periods
of
idling,
more
than
10
minutes,
can
cause poor engine performance.
1
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