A requirement for big bore cylinder mods and long distance riding. To add effectiveness to your existing engine cooling support mods, you can change the standard oil pump to an aftermarket racing one. The bigger fins/gears on this UMA racing oil pump will pump the engine oil around internally at a faster rate.
Honda RS150R/Winner/Supra/GTR150/Sonic (2016)
Honda CB150R/CBR150R (K45G) (2016)