Engine Idle Speed; Idle Speed Inspection - Honda MUV700 big red Service Manual

REMOVAl/INSTALLATION
Remove the battery box cover (page 21 -6).
Turn the ignition switch to OFF {OJ.
Disconnect the 5P black connector, 33P black con-
nector and 33P gray connect or from the PCM, and
remove the PCM from the battery box.
Install the PCM in the reverse order of removal.
ENGINE IDLE SPEED
IDLE SPEED INSPECTION
NOTE
• Inspect the idle speed after all other engine main-
tenance items have been perfor med and are
within specifications.
• Before checking the idle speed, inspect the fol-
lowing items.
- No DTe and MIL blinking
- Spark plug condition (page 4-8)
- Air cleaner condition (page 4-6)
• The engine must be warm for accurate idle speed
inspection.
• This system eliminates the need for manual idle
speed adjustment compared to previous
designs.
• Use a tachometer with graduations of 50 rpm or
smal ler that will accurately indicate a 50 rpm
change.
Remove the seat center cover (page 3-5).
Start the engine and warm it up to coolant tempera-
ture 80 °C (176 O F).
Stop the engine and connect a tachometer accord-
ing to the tachometer manufacturer's instructions.
Start the engine and let it idle. Check the idle speed.
ENGINE IDLE SPEED: 1,400
±
100 rpm
If the idle speed is out of the specification, check the
fo l lowing:
• Throttle operation and accelerator pedal freeptay
(page 4-5).
• Intake air leak or engine top-end problem (page
9-31
• Valve clearance (page 4-10)
• IACV operation (page 6-48)
FUEL SYSTEM (PGM-FI)
6-55