I have a John Deere ride-on that cracked its mower deck bracket. Without thinking, I welded the thing, without disconnecting the battery connections.
The alternator does not charge (it may have been like this when I purchased it, but I do not think so).
I suspect that welding the mower deck...
Firstly I'd like to support a proposal I have seen here that there should be a dedicated forum for these engines. God knows, there are enough of them around installed in endless mower brands.
I have a 13.5hp B&S in a ride on mower that has been sitting for a time waiting for a new transaxle...