Browse our "Yamaha valve and camshaft parts" category to find all the spare parts needed for servicing or refurbishing the camshaft and valves of your Yamaha outboard motor. We therefore treat the Yamaha timing belt, the camshaft, the valve and its various springs. 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.