installed maxim 4 fully synthetic in both my bikes-03 triumph speed triple,96goldwing se.The speed triple has a reputation for running hot! AT highway speed MAXIM 4 oil lowered water temp. 5 degree's celcius,smoothed shifting and clutch operation!! unbelievable!!! In the goldwing it also smoothed shifting and clutch operation . GREAT OIL,BEST OUT THERE,YOU WON"T BE DISAPOINTED !!!!