Lower Units for 300 HP Yamaha Outboards

Yamaha Outboard Lower Units

New and rebuilt lower units for 300 HP Yamaha outboards come with a one-year warranty. Prices include shipping in the continental US.

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HP Year Model Shaft Cyls Description Part Number Price Core
300 2004-2006 3.3 Liter HPDI (Bolt-In Carrier) XL 6 New YA-G6-21-N $2,099 $0
300 2004-2006 3.3 Liter HPDI (Bolt-In Carrier) XXL (U) 6 New YA-G6-23-N $2,099 $0
300 2004-2008 3.3 Liter VZ HPDI (Bolt-In Carrier, Nosecone) L 6 Remanufactured YA-G6-07B-R $2,275 + core $300
300 2008-2015 4-Stroke V8 XL 8 Remanufactured YA-G8-10-R $3,575 $0
300 2008-2015 4-Stroke V8 XXL (U) 8 Remanufactured YA-G8-15-R $3,575 $0

More Info  

Please include your year, engine model number and shaft length when placing an order.

All lower units are shipped without oil. Be sure to use the proper oil and filling procedure listed in your owner's manual.

Carrier Style Identification

Yamaha Carrier ID

Core Info

Lower units with a core charge come with a prepaid return label to ship your core back for credit. Core value is based on the condition of your prop shaft, drive shaft and gear housing.

New Lower Units

New gearcase are assembled with all new parts. In some cases, they may be re-boxed OEM or pulled from new motors that were converted to jets, depending on availability.

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