BOMBARDIER ski-doo Alpine 640 ER 1982 Operator's Manual page 34

SYMPTOMS POSSIBLE CAUSES
WHAT TO DO
Engine lacks accelera-
1. Fouled or defective spark Check item 3 of "Engine turns over but fails
tion or power plug
to start or starts with difficulty"
2. Clogged fuel line (water or
Check fuel line condition. (See item 4 of "En-
dirt)
gine turns over but fails to start or starts
with difficulty"l.
3. Carburetor Contact your dealer.
4. Ignition First check item 3 of "Engine turns over but
fails to start or starts with difficulty". If the
ignition system still seems faulty, contact your
dealer.
5. Engine If unable to locate specific symptoms, contact
your dealer.
Engine continually 1. Spark plug Check item 3 of "Engine turns over but fails to
backfires
start or starts with difficulty".
2. Overheated
Carburetor set too lean. Contact your dealer.
3. Engine timing incorrectly set Contact your dealer.
Snowmobile cannot
1. Drive Belt
Check for damaged or worn drive belt. Re-
reach
full
speed
place if necessary.
2. Incorrect track adjustment
Check track tension and alignment. Readjust
to specifications. ISee Maintenance
Secrionl
3.
Engine Check item 1 to 5 of "Engine lacks acceler-
anon or power.",
~
Pulley misaligned Contact your dealer.
32