Yamaha TZR50 '03 Service Manual page 48

INSPECTING THE SPARK PLUG
3-8
6. Tighten:
• The spark plug
Before installing a spark plug, clean the
surfaces of the gasket and of the spark
plug itself
Tightening torque:
23 Nm (2.3 m • kg)
NOTE:
Make the sparkplug finger-tight before tighte-
ning this to the specified degree.
INSP
ADJ