That fuse typically doesn't blow unless you do the dastardly dead of reversing the polarity. It will fail & protect the electronics. I am not aware of any aftermarket fuse that will work.
Now for another problem that I have encountered a few times is one of the 4 relays going bad. They are for fuel pump, ECU, handwarmers & headlamps. If you get stranded as in check eng light but don't hear the fuel pump cycle, you will need to rob a relay for use in the fuel pump position. If no check eng light, then the ECU relay is bad; Rob one for that position. You can obviously live without handwarmers, so that is the one to rob.
Relay part number is 3006-294. Unfortunatly, they run about $75. You can make up a jumper from about 3" of 14 gauge wire & 2 male spade terminals to hot wire & bypass a bad relay. The jumper is easy to carry and nearly free to make. I would rob the handwarmer relay & install the jumper in the handwarmer position. Be sure to select the handwarmers off at the control switch or they will continue to draw current with the machine shut off.
Your dealer should carry both as normal stock items, we do.
Jim