Here is a generic oil pump assembly for scooters with a 150cc manual start engineThese oil pumps were common to a number of Chinese-made scooters such as the Jonway YY150T-29 and possibly many othersDescription Here is a generic oil pump assembly for scooters with a 150cc manual start engine. These oil pumps were common to a number of Chinese-made scooters such as the Jonway YY150T-29 and possibly many others. Please study the pictures of this oil pump carefully before ordering. WARNING California Residents: Proposition 65 Warning