PRODUCT DETAILS
Yamaha / Mercury / Mariner 8–15 HP Outboard Carburettor Float Needle & Seat – 2-Stroke
Quality aftermarket carburettor float needle and seat assembly for selected Yamaha, Mercury and Mariner 8 HP, 9.9 HP and 15 HP 2-stroke outboard engines, replacing Yamaha OEM part number 6E8-14390-12.
Designed to regulate fuel entering the carburettor float chamber. A worn needle or seat can cause carburettor flooding, fuel leakage, difficult starting or poor engine performance.
Yamaha Outboard Fitment – UK & European Models
| HP | Yamaha Engine Models | Application |
|---|---|---|
| 8 HP | E8D, E8DMH | Selected 2-stroke carburettors |
| 9.9 HP | 9.9D, E9.9D | Selected 2-stroke carburettors |
| 15 HP | 15D, E15D | Selected 2-stroke carburettors |
| 9.9 HP | Selected older 9.9H and 9.9J | Check carburettor assembly |
| 15 HP | Selected older 15H and 15J | Check carburettor assembly |
Mercury / Mariner Outboard Fitment
Also suitable for selected Yamaha-manufactured Mercury / Mariner 2-stroke engines:
| HP | Engine Models |
|---|---|
| 8 HP | W8 (677) |
| 15 HP | W15 (684) |
| 15 HP | 15C (684), selected 6E8-04 carburettors |
Important: Not every engine within these horsepower ranges uses this needle and seat. Compatibility depends on the original carburettor assembly and engine serial number.
Yamaha OEM Replacement Part Numbers
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6E8-14390-12
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6E8-14390-12-00
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6E7-14390-12
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6E7-14390-12-00
Mercury / Mariner OEM Reference
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14216M
Aftermarket Cross-References
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Recmar: REC6E8-14390-12
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Sierra: 18-7073
Product Details
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Condition: New
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Quality: Marine-grade aftermarket
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Product: Carburettor Float Needle & Seat Assembly
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Engine Type: 2-Stroke
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Application: Selected Yamaha / Mercury / Mariner 8–15 HP outboards
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Main OEM Reference: 6E8-14390-12
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Quantity: 1 × Needle & Seat Assembly
Please refer to the product photographs for the exact components supplied.
This listing is for the carburettor needle and seat assembly only, not a complete carburettor repair kit.
OEM part numbers are used for identification purposes only.
Important – Check Compatibility
Please confirm your engine model, serial number and original carburettor part number before ordering.
Different needle and seat assemblies were fitted across these engines, including models with the same horsepower.
If the part looks the same as yours, this does not always mean it is correct for your outboard.
If unsure, contact SSI Marine with your engine details before purchasing.
Why Buy From SSI Marine?
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Workshop-tested genuine and aftermarket outboard parts
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Over 10,000 genuine and aftermarket marine parts stocked in the UK
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Same-day dispatch before 1 PM Monday–Friday
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Royal Mail Tracked 24 UK delivery
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Collection available from Leigh, Greater Manchester
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Technical support from experienced marine engineers
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10 years supplying the UK marine market
Buyer Responsibility: Please confirm compatibility before purchasing.
SHIPPING & DELIVERY
Delivery & Returns Policy
Delivery
Standard Delivery
- £7: 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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