Mercruiser Sterndrive Technical Resource Center

This resource center contains MerCruiser sterndrive reference information, gear ratio charts, troubleshooting resources, identification guides, and technical information for MerCruiser drives including Alpha, Bravo, Bravo XR and related components.

Bravo Gear Ratio Chart
Compare and find gear ratios for Bravo 1, Bravo XR, Sportmaster, Bravo 2 and Bravo 3 sterndrives.

Bravo Drive Failure Guide
Learn about common causes of Bravo drive failures, horsepower limitations and application considerations. Resource hosted on Go-Fast.com.

Gear Repair Kits – Sterndrive Driveshaft / Upper
Reference chart for MerCruiser upper driveshaft gear repair kits including Alpha and Bravo XR drives.

Gear Repair Kits – Sterndrive Gear Case / Lower
Reference chart for MerCruiser lower unit gear repair kits including Alpha and Bravo XR drives.