Yeah wiring diagram makes life easier. That fuse probably runs other stuff too, and the fault might be on any of that other stuff.
If the fuse doesn't blow straight away then you could have an intermittent fault and that's harder to trace. Bugger. Maybe caused by vibration while the bike is running. Maybe...
Obviously start by buying more fuses. Keep using the correct size, too small and it might just blow on overload, too big and you might have a boulevard bbq.
Give the wiring loom a general check over for chaffing and loose stuff.
Then try to isolate the fault a bit, like disconnect the things that fuse is meant to run and see if the fuse still blows tomorrow. If it doesn't blow then you know the fault is in what is disconnected and vice versa. If you have a meter and know how to use it then it could be useful.
Remember to tape up anything you disconnect, so it doesn't short against anything else, otherwise you'll be looking for two faults
I've traced lots of similar faults over the years and it's often something small and easy to miss first time... so keep looking!
Oh and have you added anything electrical recently? Or ever? Cos dollar to a doughnut it'll be those heated grips or GPS you chucked on last year before that big trip...
High miles, engine knock, rusty chrome, worn pegs...
Brakes as new
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