2002 Yamaha Motorsports V Star Custom Owners Manual - Page 61

2002 Yamaha Motorsports V Star Custom Manual

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PERIODIC MAINTENANCE AND MINOR REPAIR 1. Spark plug cap 1. Spark plug wrench EAU03329 To install the panel Place the panel in the original position, and then install the bolt. 6 Checking the spark plugs The spark plugs are important engine components, which are easy to check. Since heat and deposits will cause any spark plug to slowly erode, the spark plugs should be removed and checked in accordance with the periodic maintenance and lubrication chart. In addition, the condition of the spark plugs can reveal the condition of the engine. To remove a spark plug 1. Remove the spark plug cap. 2. Remove the spark plug as shown, with the spark plug wrench included in the owner's tool kit. To check the spark plugs 1. Check that the porcelain insulator around the center electrode on each spark plug is a medium-tolight tan (the ideal color when the motorcycle is ridden normally). 2. Check that all spark plugs installed in the engine have the same color. 6-9

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PERIODIC MAINTENANCE AND MINOR REPAIR
6-9
6
To install the panel
Place the panel in the original position,
and then install the bolt.
EAU03329
Checking the spark plugs
The spark plugs are important engine
components, which are easy to check.
Since heat and deposits will cause any
spark plug to slowly erode, the spark
plugs should be removed and checked
in accordance with the periodic mainte-
nance and lubrication chart. In addition,
the condition of the spark plugs can re-
veal the condition of the engine.
To remove a spark plug
1.
Remove the spark plug cap.
2.
Remove the spark plug as shown,
with the spark plug wrench includ-
ed in the owner’s tool kit.
To check the spark plugs
1.
Check that the porcelain insulator
around the center electrode on
each spark plug is a medium-to-
light tan (the ideal color when the
motorcycle is ridden normally).
2.
Check that all spark plugs installed
in the engine have the same color.
1.
Spark plug cap
1.
Spark plug wrench