Yuminashi Hyper oil pump for crf110 Young and Rad Co. and is mentioned for the

and is mentioned for the big bore CRF110F

Stock chain pitch: 420

Remove 3 ounces from your rotating mass by lightening your auto clutch housing

If you would do this

Yuminashi Hyper oil pump for crf110 Young and Rad Co. and is mentioned for theThe Yuminashi Hyper Oil Pump is the highest volume oil pump on the market, and such a high output oil pump is certainly not a luxury in the horizontal air cooled engines, but really something which you should consider to buy because the much larger amount of oil circulating, takes the heat much faster away from the cylinder head and all other hot running parts, which is typical for this engine type. It's also a serious improvement on the lubrication