2.38
9850043 R01 - 2017-2021 RANGER 500 / 570 Service Manual
© Copyright Polaris Inc.
BATTERY INSTALLATION
Using a new battery that has not been fully charged can
damage the battery and result in a shorter life. It can also
hinder vehicle performance. Follow the battery charging
procedure before installing the battery.
1. Ensure that the battery is fully charged.
2. Place the battery in the battery holder.
3. Install the battery vent tube and route it down
through the battery box.
NOTICE
Route vent tube to prevent electrolyte from damaging
critical components (i.e. wire harness, brake lines,
throttle cable).
4. Coat the terminals with dielectric grease or
petroleum jelly.
5. Connect and tighten the red (+) (positive) cable first.
6. Connect and tighten the black (-) (negative) cable
last.
7. Verify that cables are properly routed and install the
hold-down strap.
BATTERY STORAGE
Whenever the vehicle is not used for a period of three
months or more, remove the battery from the vehicle,
ensure that it's fully charged, and store it out of the sun in
a cool, dry place. Check battery voltage each month
during storage and recharge as needed to maintain a full
charge.
NOTICE
Battery charge can be maintained by using a Polaris
battery tender charger or by charging about once a
month to make up for normal self-discharge. Battery
tenders can be left connected during the storage
period, and will automatically charge the battery if the
voltage drops below a pre-determined point.
BATTERY CHARGING
1. Remove the battery from the vehicle to prevent
damage from leaking or spilled electrolyte during
charging.
2. Charge the battery with a charging output no larger
than 1/10 of the battery’s amp/hr rating. Charge as
needed to raise the specific gravity to 1.270 or
greater.
3. Reinstall the battery.
500 SOHC
SPARK PLUG SERVICE - 500
1. Remove spark plug high tension lead
q
. Clean plug
area so no dirt and debris can fall into engine when
plug is removed.
NOTICE
Allow engine to cool before removing the spark plug
wire. The wire strength is significantly reduced when
hot so it may break if not allowed to cool. If removal of
the plug wire from a hot engine is required, ensure the
wire is pulled off as straight as possible. If difficult to
remove, adjust the pull angle and try again.
2. Remove spark plug
w
.
3. Inspect electrodes for wear and carbon buildup
w
.
Look for a sharp outer edge with no rounding or
erosion of the electrodes.
4. Clean with electrical contact cleaner or a glass bead
spark plug cleaner only.
CAUTION
A wire brush or coated abrasive should not be used.
MAINTENANCE
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