THERMOSTAT

for

Yamaha outboard 2 stroke

20 hp, 25 hp, 2 cylinders 2 carburettors -20D, 25N, 25Q

25 HP, 30HP, 3 cylinders with 3 carburettors- 25J, 30D, 25Q

40HP, 50HP, 3 cylinders with 3 carburettors- 40- all years and models, 50D, 50H

It will not fit any of the 20, 25, 30 with single carburettor or 40, 50 2 cylinders

Replaces YAMAHA Part number 6E5-12411-30, 6E5-12411-20

Why Buy from SSI Marine:

Workshop-tested aftermarket & OEM-spec parts

Fast UK dispatch (same-day before 1 PM Mon–Fri)

Tracked 24-hour UK delivery

UK stock – collection available from Leigh (Manchester)

Technical support available

Buyer Responsibility:
Please confirm compatibility with your engine model and serial number before purchase.
If unsure, contact us — our technical team will be happy to help.

For general guidance on choosing the correct outboard parts, visit our help page:
https://ssimarine.co.uk/blogs/news/blogs-news-how-to-order-the-correct-outboard-parts

20HP 25HP 30HP 40HP 50HP Thermostat for Yamaha 2-Stroke Multi-Carb Outboards – Replaces 6E5-12411-30