7. Takegawa Hi-Flo Oil Pump

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Leave it to the Honda Grom forum to bring to my attention something I hadn’t considered. Because the Grom’s 125cc engine is air-cooled, it relies on oil to help cool things down. The stock oil pump is adequate for the task Honda designed the bike for – an around-town errand runner – but when it comes to sustained high rpm racing, the stock oil pump is taxed to its limit. Enter Takegawa and its Grom-specific high-flow oil pump. As the name implies, the high-flow pump is claimed to increase oil flow by as much as 35% over the stock unit. For $57, we consider that cheap insurance, especially for a 24-hour race.