Yamaha Lower Unit Assembly - LZ300 - 6D1-45300-20-8D - See Description for Applicable Models Mercury 115 EFI Outboard Parts & Service Kits (0T801000 - 1B226999) and snowmobiles

and snowmobiles

25" Diameter x 17" Pitch

using marine-grade materials that meet strict corrosion protection standards

ensuring your outboard engine operates at its best for a reliable and enjoyable boating experience

Advanced resin compositions incorporated in exterior to resist chemicals such as engine oil

Yamaha Lower Unit Assembly - LZ300 - 6D1-45300-20-8D - See Description for Applicable Models Mercury 115 EFI Outboard Parts & Service Kits (0T801000 - 1B226999) and snowmobilesYamaha LZ300 Lower Unit Assembly Lower Unit 6D1 45300 20 8D Overview Working on LZ300 setups, you learn quick that the lower unit has to be solid from the start. These motors push hard, and if the gearcase isnt right, youll feel it in the way it shifts and runs. Ive swapped out worn units before, and the difference is immediatequieter, smoother, and more predictable on throttle. This is the kind of part you put in when you want to trust your setup