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Troubleshooting, Engine troubleshooting – Polaris 2013 600 Switchback User Manual

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119

TROUBLESHOOTING

Engine Troubleshooting

Problem

Probable Cause

Solution

Engine turns but fails
to start

Faulty ignition

• Install new spark plug(s). If engine

still fails to start, check for spark. If
there's no spark, SEE YOUR
DEALER.

No fuel to engine

• Make sure the fuel valve is on.
• Make sure the fuel tank contains

fuel.

• Ice may be in the fuel line, filter or

pump. Add isopropyl alcohol to the
fuel system.

Poor engine com-
pression

• This indicates a major engine prob-

lem that must be repaired before
operating. SEE YOUR DEALER.

Engine lacks power

Fouled or defective
spark plug(s)

• Replace the plug(s).

Fuel filter (loss of
high RPM power)

• SEE YOUR DEALER.

Plugged fuel filter or
tank pick-up sock

• SEE YOUR DEALER.

Incorrect clutching

• SEE YOUR DEALER.

Engine continually
backfires

Faulty plug(s)

• Change plug(s), ensure caps are

seated.

Fuel System

• Dirt or ice may be in the fuel system

(deicer should be added to non-etha-
nol fuel at all times for assurance
against fuel line icing).

Incorrect throttle
freeplay or faulty
switch

• SEE YOUR DEALER.

Engine requires
more than normal
pulls to start

Poor fuel

• Replace with fresh winter fuel.

Not enough fuel get-
ting to engine

• SEE YOUR DEALER.

Plugged fuel filter or
tank pick-up sock

• SEE YOUR DEALER.