Quote from Ackers on ADVRider who wrote
Might be worth a look under the seat if you've got a Stelvio in the shed.The day I picked it up I noticed that the seat had been fitted on the lowest setting, so I undid the bolts and, as I slid the seat backwards there was an almighty flash and lots of smoke. The steel seat mounting bars had worn through the positive battery cable and created a dead short from the battery to earth. It atomised one of the cables and I had to effect a temporary repair which diverted the cables away from the offending lump of rough steel