As per title - I have finally installed the MOSFET regulator/rectifier on my 97 Blackbird along with a YTX14-BS battery.
New voltages are :
Battery only voltage - 12.81v
Bike running - Main and Dip Lights on, rad fan running - 14.41v @ 1000rpm
Bike running - Main and Dip Lights on, rad fan running - 14.45v @ 2000rpm
Bike running - Main and Dip Lights on, rad fan running - 14.46v @ 3000rpm
Bike running - Main and Dip Lights on, rad fan running - 14.48v @ 4000rpm
Bike running - Main and Dip Lights on, rad fan running - 14.49v @ 5000rpm
Bike running - Main and Dip Lights on, rad fan running - 14.50v @ 6000rpm
Bike running - Main and Dip Lights on, rad fan running - 14.50v @ 7000rpm
I am much happier that the bike now charges at tickover ( 1100rpm ) and that the voltage at charge is very stable over a wide rpm range.
The new regulator/rectifier is an FH012AA and can be found on the Yamaha R1 as well as other bikes.
It barely gets warm when working ( checked over a 1 hour ride ) and it bolts in to the same mounting holes as the OEM R/R.
All in all I think its a great upgrade to the Blackbird electrical system.
New voltages are :
Battery only voltage - 12.81v
Bike running - Main and Dip Lights on, rad fan running - 14.41v @ 1000rpm
Bike running - Main and Dip Lights on, rad fan running - 14.45v @ 2000rpm
Bike running - Main and Dip Lights on, rad fan running - 14.46v @ 3000rpm
Bike running - Main and Dip Lights on, rad fan running - 14.48v @ 4000rpm
Bike running - Main and Dip Lights on, rad fan running - 14.49v @ 5000rpm
Bike running - Main and Dip Lights on, rad fan running - 14.50v @ 6000rpm
Bike running - Main and Dip Lights on, rad fan running - 14.50v @ 7000rpm
I am much happier that the bike now charges at tickover ( 1100rpm ) and that the voltage at charge is very stable over a wide rpm range.
The new regulator/rectifier is an FH012AA and can be found on the Yamaha R1 as well as other bikes.
It barely gets warm when working ( checked over a 1 hour ride ) and it bolts in to the same mounting holes as the OEM R/R.
All in all I think its a great upgrade to the Blackbird electrical system.