Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions

Model: Beta Rr 300
Part: Engine

On the Beta 300 it will be possible to disassemble the engine by freeing it from its housing located in the center of the frame: to do this it will be necessary to loosen the fixing screws of the supports, disconnect the power cables and remove the intake and exhaust manifolds. At this point, it will be necessary to proceed by loosening the screws that lock the engine cylinder head and cylinder, in order to access the piston inside it: it will be necessary to disconnect it from the connecting rod so that it is possible to also access the crankshaft in order to replace any necessary components.

Posted on 3 November 2025 by ScegliAuto

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How to Replace the Spark Plug in a Yamaha FZ 150

In this tutorial, you will see how to replace the spark plug in a Yamaha FZ 150, an extremely simple and quick operation. First, wait until the engine is sufficiently cool and ensure the key is not inserted. Then, move to the right side of the motorcycle and locate the spark plug. Disconnect the power connector, grasp the spark plug with a 16mm socket, and carefully unscrew it. At this point, insert the replacement, tighten it without applying excessive force, and reconnect the connector. Finally, start the engine to verify that the new spark plug functions correctly.

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