3
. INSPECTION/ADJUSTMENT
SPARK PLUG
Remove the spark plug
Check the spark plug for wear and fouling
deposits.
Clean any fouling deposits with a spark
plug
cleaner or a wire brush.
Specified Spark Plug: NGK-BR8HAS
Measure the spark plug gap.
Spark Plug Gap:
0.6~0.7 mm (0.024 – 0.028)
When installing, first screw in the spark
plug by hand and then tighten it with a
spark plug wrench.
LUBRICATION SYSTEM
Oil Filter Cleaning
Disconnect the oil tube at the oil pump side
and allow oil to drain into a clean container.
Remove the tube clip at the oil tank side and
disconnect the oil tube.
Remove the oil filter.
3-5
Gap, Wear, and Fouling Deposits
Washer Deformation
Clip
Oil Filter
ATV 50
Cracks, Damage