Browse our "Yamaha Propeller Shaft Spare Parts" category to find all the spare parts needed to maintain or refurbish the propeller shaft of your Yamaha outboard. I could therefore find the oil seals, the box or cover of them, the various thicknesses of the propeller, the shaft itself and the various gears. Everything you may need for the boat can be found on our website at www.adriamarine.net or at our Adria Marine shop. Over 10,000 nautical products in the catalogue. Fast shipping throughout Italy and the world.