PRODUCT DETAILS
Thermostat & Exhaust Gasket Set for Yamaha 5HP 2-Stroke Outboards
Replaces Yamaha Part Numbers:
- 
Thermostat: 6E5-12411-00-2 
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Exhaust Inner Cover Gasket: 6E3-41112-01 
- 
Exhaust Outer Cover Gasket: 6E3-41114-01 
This 3-piece set includes the thermostat and both exhaust gaskets, designed to fit Yamaha 5HP 2-stroke outboard engines with serial numbers starting with 6E3. Ideal for restoring proper cooling and exhaust sealing during routine maintenance or repairs.
Fits the following Yamaha models:
- 
5HP 2-Stroke (5C model) 
- 
Engines with serial numbers starting with 6E3 
Kit Includes:
- 
1 x Thermostat 
- 
1 x Exhaust Inner Cover Gasket 
- 
1 x Exhaust Outer Cover Gasket 
Key Features:
- 
Marine-grade construction 
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OEM-style fit and function 
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Helps regulate engine temperature and prevent exhaust leaks 
- 
Durable materials for long-term use 
- 
Direct replacement — easy installation 
Please check compatibility before purchasing.
It is the buyer’s responsibility to confirm correct fitment.
If unsure, contact us — our SSI Marine team is happy to assist!
Why Buy from SSI Marine?
- 
Fast UK shipping — same-day dispatch before 1 PM 
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Tracked 24-hour delivery 
- 
Trusted UK supplier of quality outboard parts 
- 
Friendly and expert marine support 
SHIPPING & DELIVERY
Delivery:
We offer free shipping on all orders over £150 (excluded outboard engines, trailers)
Standard Shipping - £ 8.50
Orders are typically shipped within 1 business day of receipt of payment. We ship via Royal Mail Tracked 24 delivery service. Delivery times vary depending on the delivery destination.
For engines delivery cost please ask for a quote.
It is the buyer's responsibility to ensure that the correct shipping address is supplied.
All item(s) will be despatched to the registered address.
Tracking your order:
Once your order has been shipped, you will receive a tracking number via email. You can track your order online using the tracking number provided.
Returns:
We accept returns of unused and undamaged items within 30 days of purchase.
To return an item please contact us for a return authorisation number. Return shipping costs are the responsibility of the customer.
Refunds:
Refunds will be issued for the purchase price of the item, less shipping costs. Refunds will be issued in the same form of payment as the initial purchase.

 
                                 
                                 
                                










