Engine & propulsion
Pontoon Boat Engine & Propulsion
HP sizing guides, propping charts, and troubleshooting — everything you need to get the right engine setup and keep it running right.
Free engine tools
Universal Propping Chart
Get exact prop pitch, RPM targets, and blade recommendations for your setup.
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Underpower Calculator
Find out instantly if your engine is matched to your hull.
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Engine guides & fixes
Guide
How to Choose the Right Prop for a Pontoon Boat
Pitch, diameter, blade count, and material — every variable explained with a step-by-step WOT test process.
Guide
Pontoon Engine Sizing Guide: How Much HP Do You Need?
HP sizing by boat length, load, and use case. The most common sizing mistakes to avoid.
DIY Fix
Pontoon Engine Won't Start: Step-by-Step Troubleshooting
The 6 most common causes in order of likelihood — battery, fuel, safety switches, and more.