Triumph 2012 Tiger 800 Service Manual page 91

Valve to Valve Guide Clearance
If the valve gu ides are worn beyond the service limit given
below, the cylinder head must be replaced.
V alve Stem to Guide Clearance
Inlet:
Service limit
Exhaust:
Service limit
0.010 - 0.040 m m
0.078 mm
0.030 - 0.060 m m
0.098 mm
SeiVice Manual Tiger 800 and Tiger SOOXC
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Valve Guides
If a valve guide is found to be worn beyond the service
limit, the complete cylinder head m ust be renewed.
Valve Face Inspection
Remove any carbon build-u p from the valve head area.
Examine the valve seat face, checking in particular for
signs of cracking or pitting.
Cylinder Head
3.25