2004 John Deer Buck Utility ATV 500, 500EX and 500EXT Service Manual, Page 100Get this manual
New Minimum New Maximum Service Limit
13.683 mm (0.5386 in 13.694 mm (0.5391 in 13.67 mm (0.5382 in
Any area worn excessively will require part replacement
For installation, reverse the removal procedure
V01C1EA
V01c1ea2.EPS
Remove: cylinder head no5 rocker arm no12
Rocker Arm: Inspect each rocker arm for cracks and scored friction surfacesIf so, replace partsMeasure rocker bore diameterIf diameter is out of specification, change the rocker arm
Compress valve spring no13Use valve spring compressor clamp and valve spring compressor cupRemove valve cotters no14Remove spring compressor clamp, valve spring retainer no15 and valve spring