Electrosport Industries ESR633 Regulator/Rectifier

This is by far the best regulator rectifier in the world. The Electosport RR design prevents overcharging and dissipates voltage quickly while providing optimum power balance and protection to all of your electrical components. This aluminum die cast heat sink helps remove heat quickly and the slotted mounting holes provide easy installation. Electrosport offers a 1-year warranty. Connector blocks are designed to fit perfectly into the OEM wiring harnesses. Exclusive slotted mounting provides easy installation. Aluminum die-cast heat sink wicks excessive heat away quickly. Machine installed wiring connectors. High quality protective sheathing keeps wiring tucked neatly away.

Vehicle Fitment:

1994-1998 Yamaha YFB250 Timberwolf 2x4
1994-2000 Yamaha YFB250FW Timberwolf 4x4
1999-2000 Yamaha YFM250 Bear Tracker
1995-2001 Yamaha YFM350F Wolverine 4x4
1997-1999 Yamaha YFM350FW Big Bear 4x4
1996-1999 Yamaha YFM350U Big Bear 2x4
1996-2001 Yamaha YFM350X Warrior
2001 Yamaha YFM400 Big Bear 2x4
2000 Yamaha YFM400 Big Bear 4x4
2007-2012 Yamaha YFM400 Big Bear IRS 4x4
1993-1999 Yamaha YFM400F Kodiak 4x4
1998 Yamaha YFM600FW Grizzly 4x4