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8-7
WARNING
@
●
Do not drive the snowmobile with the shroud or
covers unfastened or removed.
●
Keep your body and clothing away from rotating
parts when servicing the snowmobile with the
shroud or covers removed.
●
Do not touch the hot muffler and engine during or
immediately after operation.
@
CAUTION:
@
Make sure that all cables, leads, etc., are in place
when installing the shroud and covers.
@
NOTE:
@
When installing the shroud and covers, be sure to turn
the fasteners and top cover bolts completely until they
stop; about 1/4 turn after they are seated.
@
ESU03681
Checking the spark plugs
The spark plug is an important engine component and is
easy to inspect. The condition of the spark plug can indi-
cate the condition of the engine. Check the coloration on
the white porcelain insulator around the center electrode.
The ideal coloration at this point is a medium to a light
tan color for a snowmobile that is being ridden normally.
If a spark plug shows a distinctly different color, there
could be something wrong with the engine. For example,
a very white center electrode porcelain color could indi-
cate an intake track air leak or carburetion problem for
that cylinder. Do not attempt to diagnose such problems
yourself. Instead, take the snowmobile to a Yamaha
dealer for inspection and possible repairs. You should
periodically remove and inspect the spark plug because
heat and deposits will cause a spark plug to slowly break
down and erode. Consult a Yamaha dealer before chang-
ing to a different type of spark plug.
Specified spark plug:
R CR9EB (NGK)
E_8fp.book Page 7 Tuesday, March 28, 2006 4:35 PM
Содержание RX10RW
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Страница 18: ...4 1 ESU00012 4 DESCRIPTION RX10R RX10RTR RX10M RX10MS RXW10 E_8fp book Page 1 Tuesday March 28 2006 4 35 PM ...
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