Takegawa high flow oil pump for Honda Grom Monkey 125. The high flow oil pump will increase oil flow up to 35%! Highly recommended for those who are planning to bore up their engine, racing, stunt riding, or adding an oil cooler to their Grom. One of the common causes of engine failure on the Grom is oil starvation. The Takegawa oil pump is a cheap and effective modification that you should consider when doing engine upgrades.