Suzuki VZR1800 2007 Service Manual page 91

3-34 ENGINE
• Remove the valve spring retainer 4 and valve spring 5.
• Pull out the valve 6 from the combustion chamber side.
• Remove the oil seal 7 and spring seat 8.
"
Do not reuse the removed oil seal.
• Remove the other valves in the same manner as described
previously.
VALVE STEM RUNOUT
• Support the valve using V-blocks and check its runout using
the dial gauge as shown.
• If the runout exceeds the service limit, replace the valve.
$ Valve stem runout:
Service Limit: 0.05 mm (0.002 in)
% 09900-20607: Dial gauge (1/100 mm)
09900-20701: Magnetic stand
09900-21304: V-block set (100 mm)
"
Be careful not to damage the valve and valve stem
when handling it.
VALVE HEAD RADIAL RUNOUT
• Place the dial gauge at a right angle to the valve head face
and measure the valve head radial runout.
• If it measures more than the service limit, replace the valve.
$ Valve head radial runout:
Service Limit: 0.03 mm (0.001 in)
% 09900-20607: Dial gauge (1/100 mm)
09900-20701: Magnetic stand
09900-21304: V-block set (100 mm)
"
Be careful not to damage the valve and valve stem
when handling it.