Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions
If the yellow engine light on your Harley Davidson remains lit without any engine issues, you need to perform a manual reset. Here's how to do it. First, place your bike on a stand for safety. Then, turn on the ignition and press the top button located on the left side of the handlebars. Wait a moment and release the button as soon as the engine light turns off completely. At this point, the reset is complete, and you can turn off the ignition or set off.

Updated on 25 August 2026 by ScegliAuto

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How to adjust the valve clearance on the Moto Guzzi V85TT

Valve adjustment is very important to ensure the proper functioning of the engine; by following the appropriate instructions, it is indeed possible to adjust the valve clearance of the Moto Guzzi V85TT by yourself. First, put the motorcycle on the center stand and start by removing the cylinder head cover, unscrewing all the fixing screws; then use a feeler gauge to measure the valve clearance, adjusting it according to the instructions in the motorcycle's user manual, following the video tutorial until the end!

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