Starter Motor – For Mercury and Mariner 65 HP, 75 HP, and 90 HP 2-Stroke Outboard Engines

This high-quality replacement starter motor fits a range of Mercury and Mariner 3-cylinder 2-stroke models. Designed for reliable starting performance and long service life in marine environments.

Will fit:
Mercury / Mariner 65 HP (2-Stroke)
Mercury / Mariner 75 HP (2-Stroke)
Mercury / Mariner 90 HP (2-Stroke)
3-Cylinder Models

Replaces Mercury Part Numbers:
50-893891T, 50-66015, 50-65436, 50-60315 (for reference only)

Specifications:

Rotation: Counter-Clockwise (CCW)
Drive Gear: 10-Tooth
Voltage: 12 V
Marine-grade corrosion protection
OEM-style mounting pattern for direct replacement

⚠️ Important Compatibility Note:
Some Mercury/Mariner 2-stroke models used 9-tooth starters instead of 10-tooth.
👉 Please check your original starter motor before ordering to ensure you are selecting the correct version for your engine.

✅ Why Buy from SSI Marine?

Workshop-tested aftermarket & OEM-spec parts
Fast dispatch from our UK warehouse
Tracked 24-hour UK delivery
Expert technical support if you need help identifying your part
UK stock – same-day dispatch before 1 PM (Mon–Fri)
Collection available from our Leigh (Manchester) unit

⚠️ Note: It is the buyer’s responsibility to confirm compatibility with your engine model and serial number before purchasing. If in doubt, contact us and our technical team will be happy to help.

Starter Motor for Mercury/Mariner 65-90HP 2-Stroke Outboards – Replaces 50-893891T