Spark Plug; Muffler/Spark Arrester; Engine Oil - Filter - Tracker Off-Road 800SX Service Manual

Spark Plug

A light brown insulator indicates that the plug and fuel/
air ratio are correct. A white or dark insulator indicates
that the engine may need to be serviced. To maintain a
hot, strong spark, keep the plug free of carbon.
ATV-0051
CAUTION
Before removing the spark plug, be sure to clean the
area around the spark plug. Dirt could enter engine
when removing or installing the spark plug.
Adjust the gap to 1.0 mm (± 0.1 mm).
ATV0052
Tighten spark plug to 14.75 ft-lb (20 N-m).

Muffler/Spark Arrester

The muffler has a spark arrester which must be periodi-
cally cleaned. At the intervals shown in the Maintenance
Schedule, clean the spark arrester using the following
procedure.
! WARNING
Wait until the muffler cools to avoid burns.
1. Remove the cap screw securing the spark arrester
assembly to the muffler.
MOD095A
2. Using a suitable brush, clean the carbon deposits
from the screen taking care not to damage the screen.
NOTE: If the screen is damaged in any way, it must

be replaced.
3. Install the spark arrester assembly and secure with
the cap screw. Tighten to 60 in.-lb (6.8 N-m).
Engine Oil — Filter
Change the engine oil and oil filter at the scheduled inter-
vals. The engine should always be warm when the oil is
changed so the oil will drain easily and completely.
1. Park the vehicle on level ground.
2. Remove the maintenance cover to access the oil fil-
ter.
MOD105
3. Tilt the cargo box to the dump position; then loosen
the oil fill cap. Be careful not to allow contaminants
to enter the opening.
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