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Modern improved Voltage Regulator - RTRG25
1 year warranty
Before replacing this Regulator please check the OHMs reading on your rotor, a reading of 3.5 - 4.5 Ohm is needed. Without sufficient resistance, failure will result
Checking Alternator field rotor! General: 3.5 - 4.5 Ohm 4.5 ohms +/- 10% for all Yamaha XJ550 models.
4.0 ohms +/- 10% for all Yamaha XJ650, all Yamaha XJ700 models.
4.0 ohms +/- 10% for all Yamaha XJ750, Yamaha XJ900RK, and Yamaha XJ1100 models.
3.5 ohms +/- 10% for all Yamaha XS1100 models (field coil).
We manufacture a wide range of regulator rectifiers to fit new and older motorcycles.
New advanced design - most of our regulator rectifiers now feature highly advanced metal ceramic heat transfer and are built using the latest equipment, making them extremely rugged and reliable.