Yanmar 2GM Exhaust Elbow, Part Number 128990-13510

Genuine Yanmar exhaust elbow for freshwater-cooled 2GM and 3GM engines and early 2YM and 3YM Yanmars that use a 17.3 mm water spigot. This exhaust has a 17.3 mm outside diameter water feed spigot. 

Yanmar exhaust elbows should be removed and checked at least every 5 years for corrosion, carbon build-up and blockages. If in doubt, to protect the engine, change the exhaust at 10 years or sooner. 

Yanmar Part Number 128990-13510

Gasket required 128370-13201

For: Fresh water cooled 2GM and 3GM that use a 17.3 mm O/D top hose fitting

Most 3HM and some raw water-cooled 3GM engines

Early variant Yanmar 2YM and 3YM engines with a serial number up to E10518