2006 YAMAHA FX HO spark plugs replace

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Page 119 of 152

YAMAHA FX HO 2006  Owners Manual 4-10
E
EJU13550 
Periodic maintenance chart 
The following chart gives general guidelines for periodic maintenance. However, depend-
ing on your operating conditions maintenance may need to be perform

Page 125 of 152

YAMAHA FX HO 2006  Owners Manual 4-16
E
EJU21070 
Cleaning and adjusting the 
spark plugs 
The spark plug is an important engine
component and is easy to inspect. The con-
dition of the spark plug can indicate some-
thing about the c