2005 Polaris Ranger 6x6 Owners Manual - Page 76

2005 Polaris Ranger 6x6 Manual

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MAINTENANCE AND LUBRICATION Spark Plugs CAUTION Using non-recommended spark plugs can result in serious engine damage. Always use Polaris-recommended spark plugs. Refer to the specifications section beginning on page 100. Spark Plug Gap/Torque Model RANGER 4X4, 6X6 RANGER TM Electrode Gap .025s (.06 cm) .025s (.06 cm) New Plug Torque 9-11 ft. lbs. (12-15 Nm) 8.7-10.8 ft. lbs. (11.8-14.6 Nm) Used Plug Torque 9-11 ft. lbs. (12-15 Nm) 16.6-19.5 ft. lbs. (22.5-26.4 Nm) Spark plug condition is indicative of engine operation. The spark plug firing end condition should be read after the engine is warmed up and the vehicle is driven at higher speeds. Immediately check the spark plug for correct color. WARNING A hot exhaust system and engine can cause serious burns. Wear protective gloves when removing a spark plug for inspection. 1. Normal The normal insulator tip is gray, tan or light brown. There will be few combustion deposits. The electrodes are not burned or eroded. This indicates the proper type and heat range for the engine and the service. NOTE: The tip should not be white. A white insulator tip indicates overheating, caused by use of an improper spark plug or incorrect carburetion adjustments. 2. Wet Fouled The wet fouled insulator tip is black. A damp oil film covers the firing end. There may be a carbon layer over the entire nose. Generally, the electrodes are not worn. General causes of fouling are excessive oil, use of non-recommended injection oil, improper use of the choke, or incorrect carburetion adjustments. Spark Plug Removal and Replacement 1. Remove the seat to access the engine compartment. 2. Remove the spark plug cap. Using the spark plug wrench provided in the tool kit, remove the plug by rotating it counterclockwise. 3. Reverse the procedure for spark plug installation. Torque to specification. 74

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74
MAINTENANCE AND LUBRICATION
Spark Plugs
CAUTION
Using non-recommended spark plugs can result in serious engine
damage. Always use Polaris-recommended spark plugs. Refer
to the specifications section beginning on page 100.
Spark Plug Gap/Torque
Model
Electrode Gap
New Plug Torque
Used Plug Torque
RANGER
4X4, 6X6
.025
s
(.06 cm)
9-11 ft. lbs.
(12-15 Nm)
9-11 ft. lbs.
(12-15 Nm)
RANGER
TM
.025
s
(.06 cm)
8.7-10.8 ft. lbs.
(11.8-14.6 Nm)
16.6-19.5 ft. lbs.
(22.5-26.4 Nm)
Spark plug condition is indicative of engine operation. The spark plug
firing end condition should be read after the engine is warmed up and
the vehicle is driven at higher speeds. Immediately check the spark
plug for correct color.
WARNING
A hot exhaust system and engine can cause serious burns. Wear
protective gloves when removing a spark plug for inspection.
1. Normal
The normal insulator tip is gray, tan or light brown. There will be few
combustion deposits. The electrodes are not burned or eroded. This
indicates the proper type and heat range for the engine and the service.
NOTE:
The tip should not be white. A white insulator tip indicates
overheating, caused by use of an improper spark plug or
incorrect carburetion adjustments.
2. Wet Fouled
The wet fouled insulator tip is black. A damp oil film covers the firing
end. There may be a carbon layer over the entire nose. Generally, the
electrodes are not worn. General causes of fouling are excessive oil,
use of non-recommended injection oil, improper use of the choke, or
incorrect carburetion adjustments.
Spark Plug Removal and Replacement
1.
Remove the seat to access the engine compartment.
2.
Remove the spark plug cap. Using the spark plug wrench provided
in the tool kit, remove the plug by rotating it counterclockwise.
3.
Reverse the procedure for spark plug installation. Torque to
specification.