PRODUCT DETAILS
Ignition Coil for Yamaha 40 HP Outboards
High-quality marine-grade aftermarket ignition coil for selected Yamaha 40 HP 2-stroke, 2-cylinder Enduro outboard engines.
Designed as a direct replacement where the engine model and original ignition coil part number match.
Fitment
Yamaha 40 HP – 2 Stroke – 2 Cylinder
Fits selected 1998–2017 Enduro models, including:
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E40 – 1998 onwards
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40X – 1998 onwards
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40M – 1998 onwards
Please check your exact engine model and original ignition coil part number before ordering.
Replaces Yamaha Part Number
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66T-85570-00
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66T-85570-00-00
Searchable References
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66T8557000
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66T855700000
OEM part numbers are used for identification and reference purposes only.
Product Features
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Ignition coil
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Yamaha 40 HP
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2-Stroke
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2 Cylinder
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Selected Enduro / E40 / 40X / 40M applications
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Direct replacement where part number matches
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Marine-grade aftermarket part
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New
Important – Electrical Part
Please diagnose the engine fault before purchasing.
Ignition coil faults can have similar symptoms to problems with the CDI, charge coil, pulser/trigger coil, spark plugs or wiring.
Electrical parts that have been fitted or installed cannot be returned unless faulty.
If you are unsure, please send SSI Marine your:
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Engine HP
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Full engine model
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Serial number
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Original ignition coil part number
We will be happy to check compatibility.
Buyer Responsibility
It is the buyer's responsibility to confirm compatibility with the engine model and serial number before purchase.
Do not order by appearance alone. If the part looks the same as yours, this does not always mean it is the correct part for your outboard.
Why Buy From SSI Marine?
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Workshop-tested aftermarket & OEM-spec marine parts
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Same-day dispatch before 1 PM Monday–Friday
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Royal Mail Tracked 24
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UK stock
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Collection available from Leigh, Greater Manchester
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Technical support available
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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