
MAINTENANCE
16
1739579
SPARK PLUG
Check the
spark plug
every 25 hours. Re-
place the
spark plug
if the electrodes are
pitted or burned or if the porcelain is cracked.
1. Make sure the
spark plug
is clean. Clean
the
spark plug
by carefully scraping the
electrodes (do not sand blast or use a wire
brush).
2. Check the
spark plug
gap with a
feeler
gauge
. See “Product Specifications” for
the correct
spark plug
gap and replace-
ment
spark plug
.
3. Before installing the
spark plug
, coat the
threads lightly with oil for easy removal.
Tighten the spark plug to a torque of 15
foot−pounds.
Figure 12
Spark Plug
Feeler Gauge
0.030”
ADJUST THE HEIGHT OF
THE HANDLEBAR
Use the
knobs
, on each side of the
handle-
bar
, to adjust the height of the handlebar.
1. Hold the
handlebar
with one hand and
loosen both
knobs
until the
ratchet teeth
are disengaged. Do not remove the
knobs
. See Figure 13.
2. Move the
handlebar
up or down to the de-
sired position, then align the
ratchet
teeth
. Make sure both sides of the
hand-
lebar
are level.
3. Tighten the
knobs
.
Figure 13
Ratchet
Teeth
Knob
Handlebar