- 2-stroke outboards
NMMA TC-W3
The US National Marine Manufacturers Association certifies oils for boat engines: TC-W3 for two-stroke outboards and FC-W for four-stroke marine engines.
- Full name
- National Marine Manufacturers Association
- Type
- Standards body
- Official website
- nmma.org
Products covered by this standard
Eni
3 productsEni Engine oils
- Petrol boats
SAE 10W-30
- 4T motorcycles
- Petrol boats
SAE 10W-40
Shell
one productShell Marine lubricants
- 2-stroke outboards
NMMA TC-W3
NMMA standards
Engine oil performance
- NMMA FC-WNMMA FC-W certification for 4-stroke marine engine oils
- NMMA TC-W3NMMA TC-W3 certification for 2-stroke marine engine oils
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