RR14 Reg/Rec is full of MOSFET technology and listed for Kawasaki EL250, GPX250, GPZ250, ZR400R*, EN450, EN454, GPZ750 Ninja/Turbo, GT750, Z750 Turbo*, ZL900, EX500, KLE500, GT550, KZ550, Z550LTD*, ZR550F Unitrak*, Z1000J, Z1000R, Z1000LTD, Z1000 MKII, Z1000ST, ZL1000, GPZ1100 Unitrak, Z1100GP, Z1100LTD, Z1100R, Z1100ST & Yamaha RD250E, RD350E, RD400E, YFB250*, YFM225 & YFU1W
 
MOSFET technology produces less heat than conventional shunt regulators. Works where airflow is limited and has inbuilt thermal protection.