If you choose to carry out adjustments on your Sherco 51i 4T Enduro then it will always be recommended to have access to a Workshop Manual for a guide if you need to know tips on how to remove a certain part for example Gearbox and match it again in the correct manner.
Sherco 51i 4T Enduro Workshop Manuals will provide you with precise diagnostic info for the car so if something is faulty it helps you figure out what the situation is and tips on how to correct it. You will be able to determine if this can be done yourself or if the job is too big you can still make a booking for your 51i 4T Enduro in with a suitable garage.
Sherco 51i 4T Enduro manual