Įtampos reguliatorius (srovės lygintuvas), taip pat atlieka ir krovimo relės funkciją. Jungtis keturių laidų.
Tinka modeliams:
- CPI SM 50 H2O 2T '05-'06
- CPI SM 50 H2O 2T '07->
- CPI SMX 50 H2O 2T '07->
- CPI SX 50 H2O 2T '05-'06
- CPI SX 50 H2O 2T '07->
- Malaguti XSM SM 50 H2O 2T '07-'10 (AM6)
- Malaguti XTM Enduro 50 H2O 2T '07-'10 (AM6)
- MBK Booster Naked 50 AIR 2T '03
- MBK Booster Naked 50 AIR 2T '04-'15
- MBK Booster Naked R12 50 AIR 2T '06-'12
- MBK Booster Naked R13 50 AIR 2T '12-'16
- MBK Booster Next Generation II 50 AIR 2T '03-'06
- MBK Booster Original 50 AIR 2T '04-'16
- MBK Booster Rocket 50 AIR 2T '03-'09
- MBK Booster Spirit 1.0 50 AIR 2T '13
- MBK Booster Spirit 50 AIR 2T '99-'03
- MBK Booster Spirit R12 50 AIR 2T '03
- MBK Booster Spirit R12 50 AIR 2T '04-'14
- MBK Flipper Light 50 AIR 2T '04-'05
- MBK Mach G 50 AIR 2T '02-'12
- MBK Mach G 50 H2O 2T '02-'15
- MBK Nitro 50 H2O 2T '02-'12
- MBK Nitro II 50 H2O 2T '13-'16
- MBK Nitro Naked 50 H2O 2T '05-'12
- MBK Nitro Naked II 50 H2O 2T '13-'16
- MBK Ovetto 50 AIR 2T '02-'06
- MBK Ovetto II 50 AIR 2T '08-'16
- MBK Ovetto One 50 AIR 2T '13
- MBK Stunt 50 AIR 2T '03-'05
- MBK Stunt Naked 50 AIR 2T '03-'04
- MBK Stunt Naked 50 AIR 2T '05-'16
- MBK X-Limit Enduro 50 H2O 2T '07-'11 (AM6)
- MBK X-Limit SM 50 H2O 2T '07-'11 (AM6)
- MBK X-Power R 50 H2O 2T '03-'06 (AM6)
- MBK X-Power R 50 H2O 2T '07-'12 (AM6)
- Yamaha Aerox 50 H2O 2T '02-'12
- Yamaha Aerox II 50 H2O 2T '13-'16
- Yamaha Aerox Naked II 50 H2O 2T '13-'16
- Yamaha Bw's Easy 50 AIR 2T '13
- Yamaha Bw's Naked 50 AIR 2T '03
- Yamaha Bw's Naked 50 AIR 2T '04-'16
- Yamaha Bw's Next Generation II 50 AIR 2T '03-'09
- Yamaha Bw's Original 50 AIR 2T '04-'16
- Yamaha Bw's Original 50 AIR 2T '99-'03
- Yamaha Bw's Original R12 50 AIR 2T '03
- Yamaha Bw's R12 50 AIR 2T '04-'16
- Yamaha DT50R Enduro H2O 2T '07-'11 (AM6)
- Yamaha DT50X SM H2O 2T '07-'11 (AM6)
- Yamaha JogR 50 AIR 2T '02-'15
- Yamaha JogRR 50 H2O 2T '02-'15
- Yamaha Neo's 50 AIR 2T '02-'06
- Yamaha Neo's 50 Easy AIR 2T '13
- Yamaha Neo's II 50 AIR 2T '08-'16
- Yamaha Slider 50 AIR 2T '03-'04
- Yamaha Slider Naked 50 AIR 2T '03-'11
- Yamaha Slider Naked R12 50 AIR 2T '13-'14
- Yamaha TZR50R H2O 2T '03-'06 (AM6)
- Yamaha TZR50R H2O 2T '07-'12 (AM6)
- Yamaha Vino 50 AIR 2T '04-'06
- Yamaha Why Light 50 AIR 2T '04-'06
