Suzuki GSR600 Service Manual page 87

• Cool down the new valve guides in a freezer for about one
hour and heat the cylinder head to 100 °C – 150 °C with a hot
plate.

Do not use a burner to heat the valve guide hole to
prevent cylinder head distortion.
• Apply engine oil to the valve guide hole.
• Drive the valve guide into the hole using the valve guide
installer 1 and attachment 2.
 09916-53310: Valve guide installer/remover
09916-53330: Attachment
09916-53360: Attachment
NOTE:
Install the valve guide until the attachment 2 contacts with the
cylinder head 3 .

Failure to oil the valve guide hole before driving the
new guide into place may result in a damaged guide or
head.
• After installing the valve guides, re-finish their guiding bores
using the reamer.
• Clean and oil the guides after reaming.
 09916-33310: Valve guide reamer (4 mm)
09916-34542: Reamer handle
NOTE:
* Be sure to cool down the cylinder head to ambient air temper-
ature.
* Insert the reamer from the combustion chamber and always
turn the reamer handle clockwise.
VALVE SEAT WIDTH INSPECTION
• Visually check for valve seat width on each valve face.
• If the valve face has worn abnormally, replace the valve.
• Coat the valve seat with Prussian Blue and set the valve in
place. Rotate the valve with light pressure.
• Check that the transferred blue on the valve face is uniform all
around and in center of the valve face.
 09916-10911: Valve lapper set
A: 13.6 mm (IN)
12.2 mm (EX)
ENGINE 3-35