Genuine Tohatsu Outboard Float Valve 309-03147-1 MFS2.5 MFS3.5 2.5HP 3.5HP
309-03147-1
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Genuine Tohatsu Float Valve 309-03147-1
Authentic OEM Carburetor Replacement Part
This Genuine Tohatsu Float Valve (SKU: 309-03147-1) is a critical component for maintaining the fuel system integrity of your small outboard motor. Designed to regulate the flow of fuel into the carburetor float bowl, this needle valve prevents engine flooding and ensures a consistent air-fuel mixture for smooth idling and throttle response.
Key Features
- ✔ Genuine Tohatsu OEM Quality
- ✔ Precision Viton/Rubber Tipped Needle
- ✔ Corrects Carburetor Leaks & Flooding
- ✔ Direct fit for 2.5hp and 3.5hp models
Technical Specs
| Part Number: | 309-03147-1 |
| Supersedes: | 309-03147-0 |
| Application: | Carburetor System |
| Brand: | Tohatsu |
Compatibility / Fitment Guide
| Model | Power | Engine type |
|---|---|---|
| Tohatsu M2.5 | 2.5 HP | 2-stroke |
| Tohatsu M3.5 | 3.5 HP | 2-stroke |
| Tohatsu MFS2.5 | 2.5 HP | 4-stroke |
| Tohatsu MFS3.5 | 3.5 HP | 4-stroke |
How to check before ordering: the part number on your old part should be 309-03147-1 (or a superseding number). If you are not sure, send us your engine model and serial number (on the plate on the engine bracket) and we will confirm fitment before you order. Tohatsu often uses the same part on related models, so this list may not be complete.
OEM Cross Reference
| Tohatsu/Nissan: | 309-03147-1, 309031471M, 309-03147-0 |
| Mercury Marine: | 952631, 815071 |
Questions & Answers
Is this a genuine original part?
Yes, this is an authentic Tohatsu OEM part, not an aftermarket replica. It arrives in genuine factory packaging.
How do I know if it is compatible?
It fits the Tohatsu M2.5 and M3.5 (2.5 and 3.5 HP 2-stroke) and MFS2.5 and MFS3.5 (2.5 and 3.5 HP 4-stroke). To be sure, check the part number 309-03147-1 on your old part or send us your engine model and serial number.
Will this fix fuel leaking from the carburetor overflow?
Leaking from the overflow is usually caused by a worn float valve that can no longer seat properly. Replacing it with this genuine needle is the recommended solution.
Note: Proper carburetor cleaning is recommended when installing a new float valve to ensure no debris prevents the new needle from seating. Please verify your engine serial number if you are unsure of fitment.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
