2006-2009 Honda TRX250EX/TRX250X Service Manual, Page 335Get this manual
IGNITION SYSTEM Install the ignition coil onto the frame by aligni ng the lug with the groove and tighten the boltInstall the seat (page 3-41
IGNITION TIMING
Start the engine and warm it up to operati ng temperatureStop the engine and remove the timing hole cap from the rear crankcase cover
Read the mstruclions for rlmmg light and t8Chome rer opei"iWon