rectifier

So, I'm buying a 2015 Hyperstrada 821, with 2800 km on the clock. Still in warranty until September of 2019. It was a test drive bike for 1000 km, then sold. Rode until 2800 km and has been sitting since mid 2018 on a store being sold. It's been taken for a small ride weekly just to keep battery...

With some of my previous bikes I did mosfet rectifier swap. After digging I see that many of the Monster's have had charging issue and also discovered the rectifier to be the cause of the problems. My most recent bike, Drz supermoto, are also known to have issue. Most of these bikes with...