Honda CRF450R 2009 Service Manual page 99

ENGINE IDLE SPEED
Inspect and adjust the idle speed after all other
engine maintenance items have been performed
and are within specifications .
Before checking the idle speed . inspect the following
items.
- No DTC and MIL blinking
- Spark plug condition (page 4-12)
- Air cleaner condition (page 4-9)
The engine must be warm for accurate idle speed
inspection.
Use a tachometer with graduations of 50 rpm or
smaller that will accurately indicate a 50 rpm
change.
Start the engine and warm it up to coolant temperature
80'C (176'F).
Stop the engine and connect a tachometer according to
the tachometer manufacturer's operating instructions.
Start the engine and let it idle . Turn the fast idle knob to
obtain the specified idle speed .
IDLE SPEED :
'09 : 1,750
±
100
rpm
'10 - ' 12:
1,800 ±
100 rpm
After ' 12 2,000 ± 100
rpm
TRANSMISSION OIL
OIL LEVEL INSPECTION
1. Start the engine and lei it idle for 3 minutes .
2. Stop the engine and wait 3 minutes.
3. Support the motorcycle upright on a level surface.
4. Remove the oil filler cap. Remove the transmission
oil check bolt and sealing washer from the right
crankcase cover. A small amount of oil should flow
out of the check bolt hole .
5. If no oil flows out of the check bolt hole , add
recommended transmission oil (page 4-20) slowly
through the oil filler hole until oit starts to flow out of
the check boll hole. Install and lighten the
transmission oil check boll and filler cap.
6. Repeal steps 1 - 5.
After checking the oil level or adding transmission
oil, and lighten the transmission oil check boll to the
specified torque with a new sealing washer.
TORQUE: 12
N'm (1 .2 kgf·m ,
9
IbUt )
MAINTENANCE
Check that the O-ring is in good condition . replace it if
r;;:;;-;;:;;::-----=:-..--.
necessary.
Install the oil filler cap.
4-19