PRODUCT DETAILS
Tohatsu 2.5–3.5 HP Outboard Carburettor Float Needle Valve
Replacement carburettor float needle valve for selected Tohatsu 2.5 HP and 3.5 HP 2-stroke outboard engines, with additional applications on compatible Mercury / Mariner models.
Tohatsu OEM Part Number: 309-03147-1
The float needle valve controls the flow of petrol into the carburettor float chamber. A worn or damaged valve may cause fuel leakage, carburettor flooding, difficult starting or poor engine performance.
Tohatsu Outboard Fitment – UK & European Models
| HP | Engine Models | Engine Type |
|---|---|---|
| 2.5 HP | M2.5A2 | 2-Stroke |
| 3.5 HP | M3.5A2 | 2-Stroke |
| 3.5 HP | M3.5B2 | 2-Stroke |
Mercury / Mariner Applications
Also cross-referenced for selected Tohatsu-manufactured Mercury / Mariner 2-stroke outboards:
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2 HP
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2.5 HP
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3 HP
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3.3 HP
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3.5 HP
Important: Mercury / Mariner compatibility depends on the original carburettor design. Please check the engine serial number and original needle valve before ordering.
OEM Part Numbers
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309-03147-1 – Tohatsu
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309031471M – Tohatsu alternative format
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309-03147-0 – Earlier reference
Related Mercury / Mariner References
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952631 – Float needle valve
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95263A1 – Needle and seat kit
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8M0171808 – Replacement needle and seat kit
Product Details
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Condition: New
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Product: Carburettor Float Needle Valve
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Engine Type: 2-Stroke
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Application: Selected Tohatsu 2.5–3.5 HP and Mercury / Mariner 2–3.5 HP outboards
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Main Part Number: 309-03147-1
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Quantity: 1 × Float Needle Valve
Please refer to the product photographs for the exact part supplied.
This listing is for the individual float needle valve only, not the complete carburettor or needle and seat kit.
Important – Check Compatibility
Please confirm your engine model, serial number and original carburettor part number before ordering.
Some earlier carburettors use a different needle, seat and float hinge arrangement. These components must not be mixed with incompatible versions.
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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Official Tohatsu Outboards Dealer
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Over 10,000 genuine and aftermarket outboard parts stocked in the UK
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Experienced marine engineers offering technical support
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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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Celebrating 10 years supplying the UK marine market
Buyer Responsibility: Please confirm your engine model and serial number 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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