Ignition Timing - Honda 2010 CRF250R Service Manual

ELECTRICAL SYSTEM
IGNITION TIMING
16-14
NOTE:
The ignition timing is factory preset and only needs
to be checked when an electrical system component
is replaced.
Use a tachometer with graduations of 50 rpm or
smaller that will accurately indicate 50 rpm change.
Warm up the engine to normal operating temperature.
Stop the engine and remove the liming hole cap.
Attach a tachometer according to its manufacturer's
instructions.
Connect the timing light to the spark plug wire.
Read the instruction for timing light operation.
Start the engine and let it idle.
IDLE SPEED:2,OOO
±
100 rpm
Point the timing light towards the index mark.
The ignition timing is correct if the "F- mark on the
flywheel aligns with the index notch in the left crankcase
cover.
Apply engine oil to a new D-ring, and install it to the
~::::::;::::~~~~~~
timing hole cap.
Apply grease to the timing hole cap threads.
Install the timing hole cap and tighten it to the specified
torque.
TORQUE : 6.0 N'm (0.6 kgf'm , 4.4 IbHt)