Mercury Outboard and Mercruiser Resources Collection
One of PartsVu’s founding missions was to offer knowledge and resources to help you easily find the parts you need to perform essential repairs and maintenance. Additionally, if you are newer to DIY Mercury Marine maintenance, we wanted to increase your levels of confidence by providing tips and direction.
To accomplish these objectives, we have created a continually growing collection of resources. We hope that you find them helpful, and if you have ideas for additional tools, don’t hesitate to let us know.
New Mercury Owner's Knowledge Center
Buying a boat offers so much opportunity for fun and bonding with friends and family; however, it is a significant time and financial resource commitment. To help, we’ve assembled a collection of resources specifically designed for new boat owners. The Mercury Owner's Knowledge Center includes The Boat Buying Guide, Mercury Service Schedule, Essential Toolbox for Basic Boat Maintenance, and plenty more.
Mercury Outboards Service Interval Schedule
How often should you service your Mercury outboard? Our Mercury Outboard Maintenance Schedule outlines replacement and inspection activity based on “typical” use. This guide includes when to perform essential outboard maintenance, what products to use, and how-to guides for the most challenging maintenance requirements.
View the Mercury Maintenance Schedule
Mercury Outboard Engine Oil Capacities & Oil Filter Chart
PartsVu’s Mercury Outboard Engine Oil Capacities & Oil Filter chart is a handy reference. The chart specifies Mercury engine oil capacities for your specific Mercury outboard engine. Simply select your engine family, then make sure you are reviewing the correct engine model. For your convenience, the crankcase capacity is listed, along with the precise canister filter needed for your engine.
View the Mercury Outboard Engine Oil Capacities & Oil Filter Chart
Mercury Marine Outboard Maintenance Parts Charts
Finding the right parts and products for regular maintenance of your 4-stroke Mercury outboard can be time-consuming and it’s all too easy to order the wrong part. PartsVu’s Mercury Maintenance Charts outline everything you need to complete regular maintenance of your Yamaha 4-stroke outboard: fuel filters, oil filters, thermostats, water pump repair kits, anodes, gear lube, engine oil, impellers, spark plugs, and much more. Additionally, each chart includes pre-assembled 100- and 300-hour service kits, pre-assembled oil change kits, and the outboard cover specifically designed for your Mercury outboard.
We have also included proper color-matched Mercury Marine paint, Quickleen, and other fuel additives, Mercury engine oil, and other maintenance essentials.
View Mercury Outboard Maintenance Parts Charts
Mercury Outboard Engine Schematics
If you’re looking for parts beyond the routine maintenance parts addressed in our Mercury Outboard Maintenance Parts Charts, you may have to dive into Mercury Marine’s engine schematics.
Search by serial number to see detailed engine diagrams and part numbers, then return to PartsVu shopping and place your order. You can also browse by model, but we strongly recommend using your serial number to ensure you find the correct parts.
Need help finding your engine’s serial number?
For Mercury outboards, the serial number label is located on the transom bracket. You can locate the MerCruiser serial number label on either the side of the engine or on top of the flame arrester cover.
Mercury Outboards - How to Perform a 100-Hour Service
Guides include step-by-step directions, tips for spotting small problems before becoming big problems, Yamaha maintenance information resources, and recommended products to perform service.
Download How to Perform Mercury 100-Service Guides
Mercury Season Breakout Guides
Our Mercury season breakout guides are designed to make sure your first trip out on the boat for the season is a safe and enjoyable one.
Mercury Season Breakout Guide for 4-Stroke Outboards
Mercruiser Sterndrive Season Breakout Guide
Mercury Mercruiser Inboard Maintenance
Inboard and outboard engine maintenance share the important similarity of requiring regular maintenance to ensure long engine life and maximum fun out on the water. However, inboard engines are enclosed within the hull of the vessel, as opposed to outboard motors that are mounted outside the hull, and require some different maintenance steps. This article walks you through the critical steps of Mercury Mercruiser inboard maintenance and helps you find the right Mercruiser parts.
Winterizing Outboard Motor— Mercury Marine Essential Maintenance
While preparing your engine for storage is considerably less fun that breaking it out, doing so is an essential part of Mercury outboard engine maintenance. Properly winterizing your Mercury outboard avoids engine damage and will facilitate a smooth start to the beginning of next season. If you don't know where to begin, this article walks you through the 6 recommended steps.
8 comments
Great Read!
Hello
I’m looking for the diagram to breaK down remove the propeller shaft and reassemble on a classic 50 hp outboard Mercury motor?
Hello Kevin,
Thank you for contacting us.
According to Mercury’s product history on M345751, the gear ratio is 2.20:1
Best,
Mario
Wondering if you could tell me what my gear ratio is serial number is m345751
Is it ok to send back the spark plug wires I purchased