PRODUCT DETAILS
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:
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Rotation: Counter-Clockwise (CCW)
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Drive Gear: 10-Tooth
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Voltage: 12 V
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Marine-grade corrosion protection
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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?
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Workshop-tested aftermarket & OEM-spec parts
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Fast dispatch from our UK warehouse
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Tracked 24-hour UK delivery
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Expert technical support if you need help identifying your part
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UK stock – same-day dispatch before 1 PM (Mon–Fri)
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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.
SHIPPING & DELIVERY
Delivery & Returns Policy
Delivery
Standard Delivery
- £6: Royal Mail Tracked 24 Service
- £3.99: Large Letter - Royal Mail 1st Class Post (Untracked)
We offer free delivery on all orders over £150 (excludes outboard engines).
Orders placed before 1:00 PM (Monday-Friday) are usually dispatched the same working day.
Most parcels are delivered within 24 hours, but please allow extra time for courier delays that may occur outside our control.
For outboard engines, please contact us for a delivery quote.
Important: Please ensure your shipping address is correct before completing checkout. SSI Marine is not responsible for parcels sent to an incorrect address provided by the buyer.
Tracking Your Order
Once your order has been dispatched, you will receive a tracking number via email (after 5 PM on the day of dispatch).
Tracking is available only for parcels sent via Royal Mail Tracked 24.
Large Letter orders are sent via Royal Mail 1st Class Post (untracked).
Returns
We accept returns of unused and undamaged items within 30 days of purchase.
Returned items must be in sellable condition and include the original packaging.
Please do not tape, label, or write directly on the product's original box.
Important: Do not return items in their original product boxes only, they must be placed inside a protective outer box or bag. Parcels returned like the example below will be subject to a 20% restocking fee.
Return shipping costs are the customer's responsibility.
Please include your order details and reason for return inside the parcel.
Refunds
Refunds are issued for the item purchase price only (shipping costs are non-refundable).
All refunds will be made using the same payment method as your original order.
Items returned in poor condition or without proper packaging may incur a 20% restocking fee.
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