If you need to execute maintenance tasks to your Moto Guzzi 850 Le Mans then it is always a good plan to own a Workshop Manual to use as a guide in case that you need to know methods to remove a specific part such as the Dashboard and install it again successfully.
Moto Guzzi 850 Le Mans Workshop Manuals offers clear precise diagnostic info for the car or truck so if something is broken it helps you figure out what the problem is and ways to fix it. After that you can determine if this can be achieved yourself or in case the job is just too big you can actually make a reservation for your 850 Le Mans right into a decent repair garage.
Moto Guzzi 850 Le Mans manual