Periodic maintenance and adjustment
51
To install the top cover
1.
Connect the main switch coupler and
auxiliary DC jack coupler.
2.
Place the top cover in the original posi-
tion, making sure to fit the projections on
the cover into the slots in the headlight
unit.
3.
Tighten the quick fastener screws.
4.
Pass the brake hose, throttle cable, park-
ing brake cable and wire harness through
the cable guide, place the cable guide in
the original position, and then install the
screws.
5.
Install the left side cover and the shroud.
NOTICE
ECS00372
●
Make sure that all cables, hoses and
leads are routed properly before install-
ing the shroud and covers.
●
When installing the shroud and covers,
be sure to tighten the fasteners secure-
ly.
ESU11784
Checking the spark plugs
The spark plugs are important engine compo-
nents and are easy to inspect. The condition
of the spark plugs can indicate 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-
light tan color for a snowmobile that is being
ridden normally. If any spark plug shows a
distinctly different color, there could be some-
thing wrong with the engine. For example, a
very white center electrode porcelain color
could indicate an intake track air leak or car-
buretion problem for that cylinder. Do not at-
1. Top cover
2. Main switch coupler
1. Top cover
2. Auxiliary DC jack coupler
1. Top cover
1
2
2
1
1
1. Cable guide
1
U8HG10E0.book Page 51 Tuesday, May 18, 2010 5:39 PM