Polaris Trail Boss 330 Quadricycle - Manual (Page 73)

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MAINTENANCE AND LUBRICATION
Engine Oil Cooler Maintenance
The oil cooling system
requires little maintenance
other than keeping the
cooler (1) free of mud and
debris.
CAUTION
Do not use a high
pressure washer to
remove debris from the
cooler. The pressure
may damage the
cooling fins. Use only
low pressure water.