// Maintenance
Technical How-To
Step-by-step instructions and professional advice designed to help you maintain and identify your marine engines.
How to Read an Outboard Motor Serial Number (All Major Brands)
Find your engine's exact year and model in under 2 minutes with our comprehensive decoding guide for the Big Six manufacturers.
Outboard Motor Winterization: Complete Guide by Engine Type
Step-by-step instructions for winterizing 2-stroke and 4-stroke outboards, including a printable storage checklist.
What Size Outboard Motor Do I Need? Complete Sizing Guide
Not sure what size outboard to buy? Use the HP-per-100-pounds rule and check your boat's max HP plate.
Chrysler 105 Outboard: Full Specs, Common Problems & Parts Guide
A complete technical deep-dive into the Chrysler 105hp 2-stroke, covering ignition troubleshooting, fuel ratios, and parts compatibility.
How to Decode Evinrude E-TEC Fault Codes: Diagnostic & LED Guide
Troubleshoot your E-TEC engine using the built-in EMM LED lights and diagnostic software. Full code list and S.A.F.E. mode explained.