Ski-Doo Alpine 640ER - Troubleshooting

WHAITODO
Engine turns over but
fails to start or starts
with difficulty
1. No fuel to the engine
2. Spark plug
3. Faulty ignition
4, Flooded engine
6. Clogged fuel line (water or
dirt)
Check the tank level and fill up with correct
gas-oil mixture Check for possible clogging
of fuel linn, item 5,
Check for fouled or dofec1ive spark plug.
Disconnect spark plug wire, unscrew plug
and remove from cylinder head Reconnect
wire and ground exposed plug on engine
cowl, being careful 10 hold away from
plug hole, Follow engine starting
and check for spark, If no sparks appear, re-
place spark plug If 110ubiB persists, check
item 3.
Disconnect spark plug wire from plug, un-
screw the spark plug cap then hold wire
about 1/ B" from the cylinder haad, Follow
aogine starting procedure and if no
appear, It means a faulty ignition
not anernpt to repair. Contact your
Hemuve wet spark plugs, turn
orr and crank Bngine several install
clean dly spark plugs, Start engil1f. foliDwing
usual starting procedure. If engine continuos
to flood, see your dealer.
Remove and clean tim fucl fillsr
filter cartridge il necessarv Check
and connections of Iuel lines Check the
cleanliness of fuel tank,
7. Too much oil in fuel
6. Faulty carburetor
----",,~-,-----~~---
First maks primary adjustments un carbure-
tor ISee Maintenance Sectienl If carbure-
toris ,1ill faulty, contact your dealer
for repair.
I---------_."""-,,~~ ..... "--~,_.~,--,, .... _ ... ,----
Drain the fuel tank and refill with thD correct
gas I oil mixture,
r------------~·"-------'"----1
Engine will not turn
manually
20
8. Engine timing
9. Poorengine compression
1. Seizedengine
Engine timing may he defective oroutof
adjustment Contact your dealer.
Running with a IU8f1 fuel' .iXlUfl1 may pre-
dUGe extessive engine weer resutting in poor
engine compression, if this occurs, contact
your dealer at once,
In the case ofa seized engine comact your
dealer. Seizure isa direct result of poor lu-
brication.