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Maintenance and care
96
(2) Slide the rubber cover away from the ad-
juster, and then loosen the locknut.
(3) Make sure that the handlebars are facing
straight ahead, and then adjust the free
play by turning the adjuster.
(4) Hold the adjuster with one wrench while
tightening the locknut with another
wrench. Slide the rubber cover to its orig-
inal position.
(5) Install the front and rear handlebar cov-
ers as shown in the illustration, and then
install the ten screws.
EJU37040
Cleaning and adjusting the spark
plugs
The spark plug is an important engine compo-
nent and is easy to inspect. The condition of
the spark plug can indicate something about
the condition of the engine. For example, if
one spark plug has a distinctly different color,
the engine could require servicing. Do not at-
tempt to diagnose any problems yourself.
Have a Yamaha dealer service the watercraft.
Remove and inspect the spark plugs periodi-
cally; heat and deposits will cause the spark
plugs to slowly break down and erode. If elec-
trode erosion becomes excessive, or if carbon
and other deposits are excessive, replace the
spark plug with the specified plug.
1 Rubber cover
2 Locknut
3 Adjuster
4 Throttle lever free play
Throttle lever free play:
2.0–5.0 mm (0.08–0.20 in)
Specified spark plug:
LFR6A
UF1W10E0.book Page 96 Monday, November 26, 2007 3:57 PM