BOMBARDIER Sonic Betreibershandbuch PDF herunterladen (Seite 25)

Spark Plug

Disconnect the spark plug wires and

remove the spark plug.

Check condition of plug.

• A brownish tip reflects ideal condi-

tions. (Correct carburetor, spark

plug heat range; etc.).

• A black insulator tip indicates foul-

ing caused by; carburetor idle speed

mixture and / or

high speed mixture

too rich,

incorrect fuel mixture ratio,

wrong

type of spark plug (heat

range), or excessive idling.

• A light grey insulator

tip indicates a

lean mixture caused by; carburetor

high mixture adjusted

too

lean, wrong spark plug heat range,

incorrect fuel mixture ratio, or a

leaking seal or gasket.

Track Condition

Lift the rear of vehicle and support it

off

the ground.

With

the engine

off,

rotate the track by hand, and inspect.

If

worn,

cut

or the track fiber is ex-

posed or missing or defective inserts or

guides are noted,

contact

your dealer.

.....

WARNING:

Do not operate a

.....

snowmobile with a cut, torn or

damaged track.

Track Tension and

Alignment

Lift the rear of the vehicle and support

it

off

the ground. Using a rule, check

the track tension from the middle set of

bogie wheels.

The distance between the

top

inside

edge of the track and the

bottom

of the

footboard should be 35 mm

(1

3/8").

...

CAUTION: If spark plug condi-

...

tion is not ideal, contact your au-

thorized dealer.

Check the plug gap using a wire

feeler gauge.

Reinstall the plug and connect the

wire.

Overheated

(liqht grey)

Fouled

(black)

If the track tension is

too

loose, the

track will have a tendency to

thump.

If

too

tight, performance will be affected.

...

CAUTION: Too much or too little

...

tension will result in power loss

and excessive stresses on suspension

components.

Suspension Condition

Visually inspect suspension springs.

Replace any weak or broken spring.

Check for wear or looseness. Correct

as required.

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