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If the engine must be running to do some work, make
sure the area is well-ventilated. Never run the engine. in
an enelosed area.
The exhaust eontains poisonous carbon monoxide gas
that may eause loss of consclousnessand may lead to
death ,
Start the engineand allow it to idle.
lnspect the ignition timing.
The timing is correet if the "F" mark aligns with the index mark
on the crankcase at id le speed.
Ignition System
(1) INDEX MARK
Idle Speed: 1.500
±
100 min-' (rpml
Check the "F" mark begins to movewhen the engine speed
reaches the advance start rpm.
At 3,000 rnirr " (rpm). the ignition timing is correct if the in-
dex mark is between the to advance marks.
(3) ADVANCE MARKS
(2) "F" MARK
14-9
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