Troubleshooting, Engine troubleshooting – Polaris 2015 600 Switchback Assault User Manual
Page 120

118
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 tank contains fuel.
• Ice may be in the fuel line, filter or
pump. Add isopropyl alcohol to the
fuel system.
• SEE YOUR DEALER.
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).
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.
- 2015 800 Switchback Assault 2014 600 Switchback Assault 2014 800 Switchback Assault 2013 800 Switchback Assault 2011 800 Switchback Assault 2011 800 RMK 2011 800 Pro-RMK 2011 800 RMK Assault 2014 600 RMK 2014 600 Pro RMK 2014 800 RMK 2014 800 Pro RMK 2014 800 RMK Assault 2013 600 RMK 2013 600 Pro RMK 2013 800 RMK 2013 800 Pro RMK 2013 800 RMK Assault 2012 800 Switchback Assault 2012 600 RMK 2012 600 Pro RMK 2012 800 RMK 2012 800 Pro RMK 2012 800 RMK Assault