2006-2012 Honda TRX90 TRX90EX/X Service Manual, Page 41Get this manual
MAINTENANCE Clean the spark plug electrodes with wire brush or special plug cleanerCheck the gap between the center and side electrodes ith wire type feeler gauge
0.60-0.70 mm (0.0240.028 in)
SPARK PLUG GAP: 0.600.70 mm (0.0240.028 in)
If necessary, adjust the gap by bendi ng the side electrode carefully Thread the spark plug in by hand to prevent crossthreading and tighten it with spark plug wrench
TORQUE: 12 Nm (1.2 kgfm, 9Ibf.ft)
Connect the spark plug cap