Honda TRX450R Service Manual page 475

IGNITION SYSTEM (After '05)
IGNITION TIMING
Warm up the engine.
Stop the engine and remove the timing hole cap.
Read the Connect a timing light to the spark plug wire.
manufacturer's ^
g n d | e t
instructions for
timing light IDLE SPEED: 1,700 ± 100 rpm
opera f/on.
The ignition timing is correct if the "F" mark on the
flywheel aligns with the index mark on the left
crankcase cover.
Coat a new O-ring with oil and install it onto the tim-
ing hole cap.
Apply grease to the timing hole cap threads and
seating surface.
Install the timing hole cap and tighten it.
TORQUE: 9.8 N m (1.0 kgf-m, 7 Ibfft)
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