2003-2005 Suzuki LT-A500F Service Manual, Page 69Get this manual

2003-2005 Suzuki LT-A500F Service Manual, Page 69

Remove the thermostat Compress the valve spring and remove the valve cotters from the valve stem with the special tools09916-14510:
the valve from the other side Remove the oil seal with long-nose pliers Remove the valve spring seatNOTE: Removal of valves