Understanding Your Outboard Motor's Cooling System | PWCParts.com
Posted by PWCParts Team on May 12th 2026
Understanding Your Outboard Motor's Cooling System | PWCParts.com
Your outboard motor runs hot — combustion temperatures inside the cylinders can exceed 2,000°F. Without a properly functioning cooling system, an engine that produces that kind of heat would destroy itself within minutes. Yet for most boat and PWC owners, the cooling system gets almost no attention until something goes cat
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