Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions
In this brief guide, we will see the instructions that will allow us to disassemble and replace the spark plugs of the Yamaha FZ1 Fzer. First, let's put the motorcycle on the stand and start disconnecting the spark plug coil connectors, accessing them through the gap between the frame and the engine; then we use a socket wrench to unscrew and remove the four spark plugs, as shown in the video. At this point, we install the new original spark plugs, screwing them in by hand and gently tightening with the wrench; we install the coil connectors and check the proper ignition of the engine!

Posted on 19 January 2026 by ScegliAuto

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