Browse our "Yamaha engine block spare parts" category to find all the spare parts needed to maintain or refurbish the engine block of your Yamaha outboard. We deal with oil filters, thermostats and related gaskets, spark plugs, internal anodes and base or cylinder head gaskets. 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.