Browse our "Yamaha propeller shaft spare parts" category to find all the spare parts needed for servicing or refurbishing the propeller shaft of your Yamaha outboard. I could therefore find the oil seals, the box or cover of them, the various thickness of the propeller, the axis itself and the various gears. Everything you need for the boat can be found on our website at www.adriamarine.net or at our Adria Marine shop. Over 10,000 products for boating in the catalog. Fast shipping throughout Italy and the world.