2006-2012 Honda TRX90 TRX90EX/X Service Manual, Page 113Get this manual
CYLINDER HEADVALVES Grease the corters to ease mStalallonTo prevent loss of tenSiondo not compress tIe valve spong more than necessary
Install the valve coners using the special tools
TOOLS: Valve spring compressor Valve spring compressor
07757-0010000 07959-KM30101
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Support the cylmder Ilead above the work bench surface to plevenr possible valve damage
Tap the valve stems gently with two plastic hammers to seat the coners firmly as shown