Engine Idle Speed; Radiator Coolant - Honda PCX150 2013 Service Manual

Inspect the idle speed after all other engine
maintenance items have been performed and are
within specifications.
• Before checking the idle speed, inspect following
items.
- No MIL blinking
- Spark plug condition (page 3-9)
- Air cleaner condition (page 3-7)
• The engine must be warm for accurate idle speed
inspection.
This system eliminates the need for manual idle
speed adjustment.
• Use a tachometer with graduations of 50 rpm or
smaller that will accurately indicate a 50 rpm
change.
Support the scooter with its centerstand.
Warm up the engine about ten minutes.
Connect the tachometer and check the idle speed.
ENGINE IDLE SPEED: 1,700
±
100 rpm
If the idle speed is out of the specification, check the
following:
• Throttle operation and throttle grip freeplay
(page 3-6).
• Intake air leak or engine top-end problem
(page 10-5).
• IACV operation (page 7-23).
'13 model:
Support the scooter with its centerstand.
Unlock and open the seat.
Check the coolant level of the reserve tank with the
engine running at normal operating temperature.
The level should be between the "UPPER" level line [1]
and "LOWER" level line [2] with the scooter upright on a
level surface.
If the level is low, fill as follows:
Remove the radiator reserve tank lid (page 9-6).
Remove the reserve tank cap [3] and fill the tank to the
"UPPER" level line with a 1: 1 mixture of distilled water
and antifreeze.
RECOMMENDED ANTIFREEZE:
Pro Honda HP Coolant or an equivalent high
quality ethylene glycol antifreeze containing
silicate-free corrosion inhibitors
Check if there are any coolant leaks when the coolant
level decreases very rapidly.
If the reserve tank becomes completely empty, there is
a possibility of air getting into the cooling system.
Be sure to remove all air from the cooling system (page
9-5).
Install the radiator reserve tank lid (page 9-6).
MAINTENANCE
[1]
mV
~i
~
[2]
[3]