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TOHATSU BFT250A - Page 82

TOHATSU BFT250A
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3-24
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MAINTENANCE
Wait until the engine speed stabilizes, and then check
the idle speed.
If the idle speed is outside the specification, adjust by
turning the idle adjusting screw [1] in or out.
After adjustment, stop the engine and apply Nippon
Paint Uni-pack 200 or equivalent to the entire surface of
the idle adjusting screw [1] head.
Connect the IAC valve 2P connector.
Reset the ECM (page 5-6).
Start the engine. Wait until the engine speed stabilizes
under no load, and recheck the idle speed.
If the idle speed is outside the specification, inspect and
troubleshoot the idle control system (page 4-6).
BASE IDLE SPEED (AT NEUTRAL):
570 ± 30 min
-1
(rpm) (with IAC valve connector
disconnected)
[1]
SPECIFIED IDLE SPEED (AT NEUTRAL):
650 ± 50 min
-1
(rpm)
Apply here.[1]

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