This is a Mosfet "By Pass" type regulator rectifier, suitable for most 3 phase charging systems. The block is a high quality "chunky" type again helping with the connections. This may not be a cure but it will certainly help!
For Triumph Regulator+Stator Coil+Gasket Sprint GT/ST 1050 2011-2012 T1300111
Motorbike Rectifiers Voltage Fit For Suzuki Fit For Triumph Regulator Rectifier Female Connector Plug Kits
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For Honda CBR600RR Regulator / Voltage Rectifier, 2003 - 2006 31600MEE003